Trucam PDF
Trucam PDF
Trucam PDF
Version 1.19
Adapted from the LTI International Manual
For the United Kingdom
By Mike Ricketts.
Tele-Traffic (UK) Limited • LaserTec Centre • C2 Harris Road • Warwick • CV34 5JU
Tel: 01926 407272 • Fax: 01926 407977
Email: tt@teletraffic.co.uk • Web: www.teletrafficuk.com
LTI TruCAM User’s Manual U.K. Version
Based on LTI second edition manual.
User Manual Table of Contents
Section 12 Specifications 70
Performance 70
Physical Construction 70
Hardware 71
Power 72
Software 72
Index 73
Section 1 - Introduction to the TruCAM
Congratulations on the purchase of your Laser Technology Inc; (LTI) TruCAM from Tele Traffic UK Ltd.
The TruCAM is an all-in-one digital video camera/laser speed and ranging device. The TruCAM not
only measures speed, it can calculate the travelling time and distance between two following
vehicles and produces full action video and still image evidence, for both speeding and tailgating
Road Traffic Offence’s.
Do not place the battery or near fires, stoves or other high-temperature locations.
Do not set or store TruCAM lithium ion batteries in direct sunshine. When storing batteries inside cars in
hot weather be sure to keep them shaded and out of direct sun. Direct sun or extreme hot temperatures
may cause the battery to heat up, rupture or ignite. Using the battery in this manner may also result in a
loss of performance and a shortened life expectancy.
Do not discharge the battery using any device except the TruCAM.
Using the battery in a device other than the TruCAM may damage the performance of the battery or
reduce its life expectancy, and if the device causes abnormal current flow, it may cause the battery to
become hot, rupture or ignite and cause serious injury.
Li-ion battery cells can become unstable (potentially dangerous) at low and high temperatures.
Never point the device at civil or military aircraft, vessel or armoured vehicles (they may initiate
counter measures)
1 11 1. Sighting Scope
2 12 2. Transmit Lens
3. Camera Lens
4. Receive Lens
3 10 5. Handle/ Battery Compartment
6. Battery Pack
13 7. LED Charge Indicator
9 14 8. Battery Release
4 17 9. Shoulder Stock Release
16 15 10. Stylus and Holder
5 11. SD Card Slot/ USB Port Cover
8 12. Camera Cover
13. Focus Adjustment Ring
14. Iris Adjustment Ring
6 15. Trigger
16. Shoulder Stock A.P.
7 17. Rear Panel
18. LCD Touch Screen
18
19. Function Buttons
(Red, Green, Blue & Yellow).
20. Power Button
21. Speaker
22. Serial Port
19
20
22 21
Figure 1
Quick Start
This section demonstrates the basic speed measurement and still image, motion clip capture and the
playback process.
Preparation:
1. If necessary, charge the Battery Pack (page 6).
2. If necessary, insert the Battery Pack into the Handle (page 8).
3. Insert the SD Card into the SD Card Slot (page 12).
A street sign is ideal. The specific distance is not critical, but the camera’s optimum targeting
distance is 70 metres.
1. Pull and release the TRIGGER to start the live video function. Briefly
the screen should look similar to Figure 2. Then the live video will
appear in the upper half of the screen.
2. Open the camera cover to allow access to the Focus Adjustment Ring
and the Iris Adjustment Ring.
4. Tap or press the soft key to display the other options on the
Caption Session Toolbar.
Figure 2
By continuing to tap
or by pressing the soft key will to return the screen image to the
normal magnification display before taking a speed measurement.
6. If necessary, tap or press the soft key to adjust the shutter speed.
1. If Speed Mode is not active, tap or press the soft key.
2. Use the sighting scope and aiming reticule to aim the TruCAM to the selected target.
3. To fire the laser, pull and hold the TRIGGER. The laser will fire after a short delay.
4. Continue to press the TRIGGER and keep the instrument sighted on the target:
• A low-pitched growl means that the instrument is attempting to lock onto the target.
• One Low-Pitched and two High-Pitched Beeps mean that a measurement error occurred.
An error message will be displayed.
• A high-pitched single beep means that a speed was captured. The measured speed will be displayed
on the LCD screen and will be projected in the scope, just below the aiming reticule.
5. Release the TRIGGER. The vehicle image, measured speed and distance will be displayed. If you
did not capture a speed, an error message will be displayed. Repeat all the above steps.
1. Tap
or press the soft key. A preview of the still image is displayed.
It should look similar to Figure 3.
2. Tap or press the soft key to load the motion clip/still image file.
Toolbar Alternative
Function
Button Soft Key
• To power OFF the TruCAM, press and hold the Power button.
• To display the System Setup Screen, press and release the Power button.
• To return to Capture Mode, pull the TRIGGER.
WARNING
Be sure to follow the instructions below while charging the battery.
Failure to do so may cause the battery to become hot, rupture or ignite and cause serious injury.
• When charging the battery, use the charging cable that shipped with your TruCAM.
• Do not attach the battery to a power supply plug or directly to a car’s cigarette lighter.
• Do not place the battery in or near fire, or into direct sunlight. When the battery becomes hot, the
built-in safety equipment is activated, preventing the battery from charging further. Heating the battery
can destroy the safety equipment and cause additional heating, breaking or ignition of the battery.
Do not continue charging the battery if it does not recharge within the specified charging time. Doing so
may cause the battery to become hot, rupture or ignite.
CAUTION
Li-ion battery cells can become unstable (potentially dangerous) at low and high temperatures.
Charging Temperature Range: 0°C to 45°C (32° F to 113°F). Charging the battery outside of this range
may cause the battery to become hot or to break. Charging the battery outside of this temperature
range may also harm the performance of the battery or reduce the battery’s life expectancy.
To avoid damaging your TruCAM or the Charging Cable, check to be sure all connectors are properly
aligned before connecting them.
1. Plug the appropriate end of the Charging Cable into the bottom of
the battery pack as shown in Figure 4. Before applying any force,
ensure that the pins in the bottom of the handle are aligned with the
Charging Cable.
Figure 4
2. Plug the other end of the Charging Cable into a power outlet.
3. When finished charging, disconnect the Charging Cable from the power outlet, and then disconnect
from the TruCAM by gripping and pulling the green connector plug.
Figure 5
Note:
If the battery charge is very low, the LED Charge Indicator may not illuminate when you plug in the
Charging Cable. Li-ion battery cells must have a nominal voltage of approximately 2 volts within them
before a large amount of current can be applied. If the cells are below 2 volts, applying a high current
could be dangerous. Therefore, if the cell voltage is less than the nominal 2 volts, the internal charging
circuit supplies a very small amount of current to slowly bring the battery charge up to a nominal voltage.
Pre-charging Routine
If the LED Charge Indicator does not illuminate when the Charging Cable is plugged in:
1. Leave it plugged in for at least one hour to trickle charge the Battery Pack.
If after one hour there is a good level of voltage, charging can occur.
1. Align the notched edges of the Battery Pack with those of the Battery Compartment.
3. Using the palm of your hand and smooth, firm motion slide the Battery Pack up until it locks into
place. The required force is similar to the force required to insert a magazine into a firearm.
Figure 6
2. Press the Battery Release: simultaneously press the black buttons on both sides of the TruCAM,
just behind the TRIGGER.
Figure 7
Appearance
Explanation
of the Battery Icon
0 segments lit and red ‘X’ = 5% or less estimated battery life. You need to
replace or recharge the battery pack as soon as possible.
Laser Sensors
The TruCAM has three lenses on the front panel. The smaller lens is the Camera Lens. The top lens
transmits the infrared laser signals. The bottom lens receives the signals back from the target and feeds
signal information to the internal circuitry.
The internal circuitry consists of a laser range sensor, timing, analysis, computation, and display
circuits. The TruCAM determines distance through its laser range sensor, by measuring the time of
flight of short pulses of infrared light. The TruCAM has a broad spectrum of sensitivity and can work
with both reflective and non-reflective targets. The maximum measurement distance varies with target
and environmental conditions. The United Kingdom version has a maximum range of 750 metres.
The laser diode emits light in the infrared portion of the electromagnetic spectrum. Infrared light is
invisible to the human eye and cannot be a distraction to drivers or operators.
Camera
The camera captures single frames as well as continuous motion clips. Specifications include CMOS
imaging technology, 3-megapixel resolution, and 12.7 mm (1⁄2-inch) optical format.
Adjustable Settings:
• Automatic Gain Control (page 33)
• Camera Lens Focus Distance
(page 34)
Camera Cover
• Iris (page 33)
• Shutter Speed (page 34) Tab
Filter Adjustment
Ring
br06
1. Tap
or press the soft key. The display should look similar to Figure 11. The factory default
setting is “br06”
2. Repeat tapping
or pressing the soft key until the desired setting is achieved. It’s easy to
get the desired setting if you look through the scope while making the adjustment.
• Each time you press the button, the “brxx” value increases by 1.
• If you press the button while “br08” is displayed, you will see “br01” next.
• Powering OFF the instrument does not change this setting. The next time the instrument
is powered ON, the setting will be the same.
Restoring the Factory Default Settings (page 52) resets this value to br06.
SD Card
(enlarged to
show detail)
SD Card
Cover
Figure 12
Each file contains the motion clip, still image, and all associated data.
The number of files that can be saved on each SD card depends upon the SD card size, the image
size selected and the length of video captured for each file. For a 4 GB SD card, the average is
approximately 2,000 files stored.
The SD Card Slot is located under the cover that is part of the rear rubber bumper and is on the same
side as the Camera.
The Cover opens from the top down. The SD Card must be installed before power ON. Refer to Figure
12 when inserting the SD Card.
Do not insert the card upside down; make sure that the label is up. The SD card is asymmetrically
shaped in order not to be inserted upside down.
1.film Motion clips Contains many folders. Folder names are 5 characters (MM_DD).
The Cover opens from the top down. The USB connection allows
you to copy files from the TruCAM/SD Card to the Office PC. The
TruCAM is not supplied as standard with a USB cable. Please
see accessorise.
Cover
3. Connect the other end of the cable to the PC. The TruCAM will
detect the USB connection. Figure 15 shows the screen that will
be displayed.
Figure 16
GPS Receiver
The Global Positioning System (GPS) is based on 24 satellites, orbiting 20,000 km above the earth in
12-hour circular orbits. In order to make sure that they can be detected from anywhere on the Earth’s
surface, the satellites are divided into six groups of four.
Each group is assigned a different path to follow. This creates six orbital planes, which completely
surround the Earth.
These satellites send radio signals to Earth that contain information about the satellite.
Using GPS ground-based receivers, these signals can be detected and used to determine the receivers’
positions: latitude, longitude and height.
In the TruCAM, GPS is used to automatically set and synchronize the system time.
You need only set the local time zone and day light savings information (page 20).
Note:
Although the GPS data is transmitted continuously, the following items
need to be considered:
Figure 17
1. The default GPS Interval setting is 60 seconds. This is designed for
maximum battery life.
2. You can change this value on the Device Parameters Screen (page 26).
3. A shorter interval will increase the GPS on-time, but will also reduce battery life.
4. A longer interval will decrease the GPS on-time and extend the battery life.
5. When GPS is locked in, the
icon appears at the top of the LCD Touch Screen and the real time
clock has been synchronized with the GPS.
6. When the GPS is not locked in, the time is from the internal TruCAM real time clock.
GPS receivers do not work well underground, inside buildings/tunnels, or if there is an obstruction to the
TruCAM.
Areas where there are tall buildings or dense strands of trees may also obstruct the signal.
Regardless of the level of interference, you will never get an erroneous speed reading.
At a low level of interference, a speed may be captured or an E03 error code may be displayed.
At a high level of interference, an E07 error code will be displayed.
Some polarized sunglasses will block out the view of the LCD screen. This is related to the way light
interacts with the polarized lenses and is not a malfunction of the LCD Touch Screen. In this situation,
you may find it is beneficial to attach the Sun Shade (page 35) or adjust the LCD Backlight level see
page 16.
The LCD Touch Screen is located on the rear panel of the TruCAM. The LCD Touch Screen is 7 cm
(2.7 inch) QVGA colour and sunlight readable.
Your TruCAM comes with a stylus that you should use to tap on the screen. You can perform two basic
actions using the stylus:
Tap: Use the stylus to lightly touch the screen to select an item this is equivalent to clicking an item with
the mouse on your computer.
Double-tap to modify or open an option, item, etc. If the TruCAM does not respond properly to your
taps, the LCD Touch Screen may need to be realigned.
The Align Screen option is available on the Device Parameters Screen. See page 51 for information
about realigning the touch screen.
Back Space
Carriage Return
Space Bar
Extended
Keyboard Display
Keyboard 1
Figure 20
The keypad is automatically selected by the Language option (page 21). Use the stylus to tap the
letters, numbers and symbols on the on-screen keypad to enter typed text directly onto the screen.
Tap
or press the soft key to save the current data and close the data entry message box.
Figure 20 (above right) shows Operators ID and the new data is “0559”.
Tap or press the soft key to adjust the intensity of the LCD backlight. See below.
Tap
or press the soft key to close the data entry message box without changing the current
data. Figure 20 (above left) shows Operator ID and the field is blank.
0 = dim
1 = bright
2 = brighter
3 = default
4 = brightest
Figure 21
If all tests prove positive, the Self Test Results Screen appears briefly, it should look like Figure 22.
Figure 22
Next the System Setup Screen is displayed (please Figure 24 on the following page).
If all tests do not prove positive, the appropriate error code will
appear. Figure 23 shows an example error message box.
Power ON the TruCAM one more time to repeat the Self Test.
If the error repeats, power OFF the TruCAM. If the power source is not the problem, contact Tele Traffic
UK Ltd for assistance.
See the inside front cover for Tele Traffic UK Ltd contact information.
Otherwise, see below for information about the System Setup Screen.
You can press and release the Power button to cancel the displayed screen. This is useful when the
toolbar button is not displayed.
Examples: Aligning the LCD Touch Screen or if the Capture Mode is active and you want to display the
System Setup Screen.
To help save its battery charge, the TruCAM has factory-defined power OFF intervals. The default
intervals are listed below.
You can change the power OFF intervals on the Device Parameters Screen (page 27)
Instrument: 10 minutes
LCD Backlight: 2 minutes
Camera: 1 minute
GPS Interval: 1 minute
Figure 24
• Changes to the System Setup Screen are not saved until you tap or press the soft key.
• However, unsaved changes are valid until the TruCAM is powered
OFF.
• If DBC is enabled, the System Setup Screen will include Roadside Offset option (page 40).
Use the stylus to select the option that you want to change. You can either double-tap the field, or tap
the desired field, and then tap or press the soft key.
Once you have selected an option, you can tap or press the soft key to scroll to the next option.
VIDEO MODE: Using the stylus, tap the Video Mode field to display the next value. Value = Still Image
Size / Motion Clip Size.
When selecting the Video Mode, you need to consider both image size and file size. Larger images
sizes provide more detail, but smaller image sizes require less space for data storage.
OPERATOR ID: Use the stylus and on-screen keypad to enter officer number or rank. Enter the
appropriate information to a maximum of 8 Alphanumeric characters without any spaces. It is advisable
that this data field be updated and saved on each occasion the device is used by another operator
as this information appears on the prosecution file image. Factory Default = 23456.
CAPTURE SPEED: The Capture Speed Limit is the capture threshold for an image. The TruCAM will
only capture an image when the vehicle’s measured speed is equal to or greater than the Capture
Speed Limit. Use the stylus and on-screen keypad to enter the required information.
• MPH: 0 – 200
VIDEO TRACKING MODE: When this mode is enabled, you can measure the speed of a distant target
vehicle and store a motion clip. While continuing to pull the TRIGGER and keeping the aiming reticule
aimed at the target vehicle’s Licence plate. The still image of the vehicle is captured once the vehicle
reaches the camera focus range.
• The distance value is the camera focus distance where the still image capture will occur.
• Use the stylus and on-screen keypad to enter the required value.
• Range = 15 - 150 metres
• Default value = 70 metres
• Use the stylus to Enable or Disable this mode. When this option is disabled, the still image is
captured when the speed is measured. Image quality may be poor if the target vehicle is not in the
camera focus range.
Figure 25
The number of files that can be saved on each SD Card depends upon the SD Card size, the image
size selected, and the length of the video captured for each file. For a 4 GB SD Card, the average is
approximately 2,000 files stored.
Date & Time: [GPS] Current date and time. The date format can be changed on the Device Parameters
Screen (page 26). Using Figure 25 as an example, the screen image was captured on Tuesday, 4
January 2011 at 05:45:15 AM.
When you receive your TruCAM, the date and time may not match your location. It is easy to set the
clock, but it does require some knowledge about time zone and daylight savings (summer) time.
• The United Kingdom uses the Greenwich Mean Time or (GMT) which has a 00 factor on the world
time chart.
• Does your location use daylight savings time? If yes, what are the start and end dates for daylight
savings time?
You can obtain additional information on this by using a computer with Google and entering
“Coordinated Universal Time” or contact Tele Traffic UK Ltd.
See inside front cover for Tele Traffic UK Ltd contact information.
3. Use the stylus and on-screen keypad to enter the information for your location.
• If there are no errors, you will hear a good tone and the System Setup Screen will be displayed.
***The change is not immediately displayed. The Date & Time is only updated when the GPS has a
fix. In most cases you will have to be outside and cycle the TruCAM OFF/ON.
LANGUAGE:
The default Language is English and this will be the only language available for the United Kingdom
version of TruCAM. (default).
For more information about language availability, contact Tele Traffic UK Ltd.
Toolbar Alternative
Function
Button Soft Key
Tap to enter the Test Mode. The Scope Alignment Test (page 46)
will be the first screen displayed.
This button is displayed only after you select an option. Tap to
scroll to the next option that appears on the screen.
Tap to select the option that you want to change.
Tap to change the brightness of the LCD Backlight (page 16).
Tap to enter Playback Mode (page 43). The most recent image
will be displayed.
From the System Setup Screen, tap and then or press the
soft key and then the soft key.
Changes are not saved until you tap the or press the soft key.
However, unsaved changes are valid until
the TruCAM is powered OFF.
Use the stylus to select the option that you want to change. You can either
double-tap the field, or tap the desired field, and then tap or press
the soft key.
Once you have selected an option, you can tap or press the Figure 27
soft key to scroll to the next option.
CAMERA LENS FOCUS: Select to change the distance where the still image capture will occur during
Speed Mode. Displays message box and on-screen keypad prompting you to enter the new value:
DEVICE INFORMATION: Double-tap “Display ...” to display the Device Information Screen (page 25).
DEVICE PARAMETRES: Double-tap “Change ...” to display the Device Parameters Screen (page 26).
CROSSHAIR: Use the stylus to select the crosshair style that will be displayed on vehicle images.
FS CHECK: FS CHECK stands for Linux File System Check and Repair. Double-tap “Proceed” to
check the integrity of the SD Card file system.
In the United Kingdom version the TruCAM Splash Screen appears, if the check is successful the unit
will switch off the power.
Figure 28
Figure 28 shows the screen that will be displayed during the check.
If necessary, the TruCAM is able to recover (repair) a damaged file system on the SD Card. The
TruCAM will automatically start the FS Check if (1) the SD Card is accidentally rejected, (2) the battery
pack is removed during use, or (3) the SD Card contains logically damaged files.
If the Licence Manager Tab is double tapped it will prompt you to enter a
code as in Figure 29.
Figure 29
Alternative
Toolbar Button Function
Soft Key
The last 3 digits of the Film Number are displayed during Capture Mode (page 36) and Playback Mode
(page 43).
If the Battery Pack is accidentally removed or the SD Card is rejected while a *.jmf file is being saved,
the Film Number may be not increased. The folder will have two *.jmf files that have the same Film
Number and the first file will be damaged.
LICENCED FUNCTIONS:
Licensed programs that are active in your TruCAM
• Default: SPEED: includes Speed Mode, Rear Plate Mode, Video Only Mode, Weather Mode, Night
Mode (requires additional hardware)
• Available Options: DBC
INSTALLED DEVICES: Displays the devices that are installed in your TruCAM.
RTC = Real Time Clock GPS = Global Position System Receiver
Toolbar Alternative
Function
Button Soft Key
BACKLIGHT: LCD Backlight power OFF interval. The LCD backlight will automatically power OFF if
there is no activity for the specified time interval. Instrument activity includes any button presses or
serial communication.
CAMERA POWER: Camera power OFF interval. This is the time in seconds that live video is displayed
without any activity while in Speed Mode.
When the camera times out, the live video will be suspended.
Figure 35
DATE FORMAT:
Selectable date format. Use the stylus and on-screen keypad to toggle the value.
• YYYY/MM/DD (default)
• MM/DD/YYYY
• DD/MM/YYYY
FRAME RATE:
The frame rate is selectable prior to any measurement being made and based on motion clip size selection
in the menu below. Use the stylus to toggle between the possible values listed in the table below. This
selection effects *.jmf file size. Larger number frames per seconds will result in larger *.jmf files.
This selection effects *.jmf file size. Larger number of tracks stored will result in larger *.jmf files.
The equations below can be used to estimate Tracking Time and Tracking Distance.
Tracking Time (seconds) = (typical # frames - 2 * Frame Rate) / Track Storage
Tracking Distance = Vehicle Speed * Tracking Time
Example: Coarse Motion Clip, Frame Rate = 24 frames/second, Vehicle Speed = 30 mph = 13.41 m/sec
Tracking Time = (250 frames - 2*24 frames/second) / 8 frames = 25 seconds
Tracking Distance = (13.41 metres/second * 25 seconds) = 335.25 metres
PASSWORD:
Follow the steps below to change the user password.
1. Use the stylus to double-tap “Change...” to change the user password. Figure 37 shows the message
box that will be displayed.
2. Use the stylus and on-screen keypad to enter the current user password.
3. Use the stylus and on-screen keypad to enter the new password:
Minimum = 5 characters and maximum = 23 characters.
Figure 38 shows the message box that will be displayed.
4. Use the stylus and on-screen keypad to re-enter the new user password (Figure 39).
- If new user password passes verification, the Device Parameters screen will be displayed.
- If the new user password fails verification, an error message displays. Tap OK. The Device
Parameters Screen will be displayed. Repeat the above steps.
Tap or press the soft key to cancel without changing the user password.
RESET SETTINGS:
• The default user password = admin
• Resetting the factory default settings restores the default user password.
• If you cannot remember current user password, contact Tele Traffic UK Ltd.
• See inside front cover for Tele Traffic UK Ltd contact information.
Toolbar Alternative
Function
Button Soft Key
What is the approximate angle between the instrument’s position and the target vehicle’s direction of travel?
How is the weather? Will you need to use the Weather Mode?
Where is the sun located? Ideally, it is best to setup with the sun on your back, behind the Camera. This
ensures the Licence plates and the LCD Touch Screen are both illuminated as much as possible. It is
also acceptable to setup with the sun to your left or right. Setting up with the Camera aimed directly into
the sun is not recommended and will not result in good images.
The optimum targeting distance is 70 metres, but good illumination and focus can increase this
distance. Conversely, there is less natural light available on cloudy days so it may be necessary to
decrease the targeting distance.
Hand-held: 15 - 80 metres
Tripod mounted: 15 - 90 metres
Line of Sight
Ideally, you should have a clear line of sight to the target vehicle.
If there is a momentary break in the laser measurement beam, the instrument will accumulate data and
may be able to capture the target vehicle’s speed. The instrument will display an error message if it
cannot capture the target vehicle’s speed.
If there is an extended break in the laser measurement beam, the instrument will display an error
message.
The difference between the measured speed and the true speed depends upon the angle between the
instrument’s ideal position, the position where targets would be moving in direct line with the instrument,
and its actual position.
IMPERIAL
True Speed
Angle
30 MPH 40 MPH 50 MPH 60 MPH 70 MPH
(degrees)
Measured Speed (MPH)
0 30.00 40.00 50.00 60.00 70.00
1 29.99 39.99 49.99 59.99 69.99
3 29.96 39.94 49.93 59.92 69.90
5 29.89 39.85 49.81 59.77 69.73
10 29.54 39.39 49.24 59.09 68.94
15 28.98 38.64 48.30 57.94 67.61
20 28.19 37.59 46.99 56.38 65.78
45 21.21 28.28 35.36 42.43 49.50
90 00.00 00.00 00.00 00.00 00.00
The cosine effect decreases as the range to the target vehicle increases.
At the maximum range of the instrument, the vehicle is so far away that the angle between it and the
instrument is very small indeed. The instrument’s perception of the target’s speed is identical to its true
speed.
As the vehicle approaches, the angle increases until it becomes large enough to affect the measurement.
To minimise the cosine effect, keep the angle small. Set up the instrument as close to the road as
possible without creating safety risks, and target down the road at ranges sufficient to keep the angular
difference small.
The table below shows acceptable parameters for minimising the cosine effect. The chart indicates the
percentage of true speed measured, given the distance from the roadway and the distance from the
target vehicle. To find a target’s measured speed, multiply the true speed by the number in the chart.
METRIC
Range to Target Vehicle
Distance off
the roadway 30 m 100 m 150 m 300 m 600 m
(metres) Fraction of the True Speed that will be measured
3 .9950 .9995 .9998 .9999 1.0000
10 .9682 .9950 .9987 .9997 .9999
15 .8660 .9886 .9950 .9987 .9997
30 .0000 .9539 .9798 .9950 .9987
60 .0000 .7999 .9165 .9798 .9950
As a general rule:
METRES: Do not exceed 1 metre off the road for every 10 metres shooting down range to the targets.
If target vehicles will be 150 metres down the road, set up no more than 15 metres off the road.
Depth of Field
The depth of field (DOF) is a unit of measurement
that represents the range of distances within an
image where the focus is acceptably sharp. This is
the distance in front of and beyond the subject that
appears to be in focus. The DOF is determined by
the subject distance, the lens focal length and the
lens F-stop. On the TruCAM, you cannot change the
distance and the lens focal length, so only the F-stop
is variable. The TruCAM is able to adjust gain in
accordance of the aperture. During a capture session, Figure 40A Figure 40B
a larger f-number is better.
The two images to the right have the same focus, but the f-number of Figure 40(A) is 2.8 and Figure
40(B) is 16. In Figure 40(B), the DOF is much greater. In Figure 40(B) the fine branches of a small tree
a sort distance in front of the lasers camera now become visible.
Practical Note: At the time image Figure 40(B) was captured the light was very poor. To highlight
the effect of Depth of Field the F16 f-stop had to be used. As with any type of camera if a high F-stop
is employed and the light is insufficient the image takes on a dark graining effect as shown in this
example. If your images are dark with graining readjust the F-stop to clear the effect.
Iris
Iris is an adjustable aperture used to control the amount of light coming through the lens. The more
the iris is opened, the more light it lets in and the brighter the image will be. Aperture is the unit of
measurement that defines the size of the opening in the lens that can be adjusted to control the
amount of light that reaches the digital sensor. The size of the aperture is measured in F-stop. The Iris
Adjustment Ring may be positioned on an F-stop or anywhere in between two F-stops.
This option is available during the Capture Mode. Tap
or press the soft key to toggle
AGC ON or OFF.
If the toolbar button is not displayed, tap or press the soft key.
ON: The icon is displayed at the top of the LCD Touch Screen and AGC electronically adjusts the
camera to the proper light level.
OFF: The icon is not displayed at the top of the LCD Touch Screen.
AGC cannot compensate for all lighting conditions and typically must be used in conjunction with an
adjustment of the lens iris.
Locate a target with defined lines on it. A street sign Iris Adjustment ring
is ideal. The target should be at the Video Tracking
Distance set on the System Setup Screen.
Aim the TruCAM at the target and adjust the lens iris for the best amount of light entering the camera.
Focus the Camera so you can easily read the target vehicle’s Licence plate and readily recognise the
surrounding roadway.
Hand-held: 15 - 80 metres
Tripod mounted: 15 - 90 metres
Shutter Speed
Shutter speed is the length of time that the shutter remains open as the image is captured, and is very
critical for image quality. Choose faster speeds as much as possible. The shutter speed and aperture
together control the total amount of light reaching the sensor. Shutter speeds are expressed in fractions
of a second. Lower shutter speeds provide larger F-stop number, and in turn result in a larger DOF.
This option is available during the Capture Mode. Tap
or press the soft key to change the
shutter speed.
The current shutter speed is displayed at the top of the LCD Touch Screen. See page 65 for information
about the icons that appear at the top of the LCD Touch Screen.
The actual shutter speed is inversely related to the speed value displayed, so to increase the shutter
speed you would select a smaller setting.
Range: 2K0 = 1/2000 second (bright day) to 200 = 1/200 second (dark day)
200 is suitable for dark environments.
400 is suitable for lower speed zones.
600 is suitable for faster speed zones.
Higher shutter speeds may be suitable for bright environments and test/alignment.
Figure 43
Attaching the Sun Shade
1. Align and insert the two large tabs on the back of the Sun
Shade with the two slots above the LCD Touch Screen. Large Tabs
2. Press down and rotate the cover into position until the
pegs lock on the notches located one on each side of the
Pegs
LCD screen. (1 each)
Slots (2)
Notches
Attaching / Removing the Sun Shade (1 each side)
Expand slightly to
release the pegs
from the notches
Figure 45
Battery Charge. It is recommended that the TruCAM be charged to the maximum prior to any field
acquisition. See page 9 for information about the Battery Voltage Icon.
File Space Available on the SD Card for Additional Images. This information is available on the
System Setup Screen (page 18). During the capture session, briefly press the Power Button to display
the System Setup Screen and then double-tap the area indicated as “Tap here” to the right of Memory
Usage. For a 4 GB SD card, the average is approximately 2,000 files stored.
Image Quality. During the capture session, changing weather conditions or location of the sun may
affect image quality. If the image quality is not optimum, it may be necessary to adjust camera
settings (page 33).
Toolbar buttons that appear at the Bottom of the LCD Touch Screen.
Toolbar Alternative
Function
Button Soft Key
Playback Mode (page 43). The most recently captured image will
be displayed.
Video Only Mode (page 39)
Rear Plate Mode (page 39). This button is only displayed when the
Video Only Mode is active.
Speed Measurement Mode (page 37)
Tap to adjust the intensity of the aiming reticule and HUD (page 10).
Tap to adjust the intensity of the LCD backlight (page 16).
If another feature of the Capture Mode is active, tap
or press the
soft key to start the Speed Mode.
3. Use the aiming reticule to aim the instrument at the target vehicle’s
Figure 46
Licence plate and pull the TRIGGER.
4. Continue to pull the TRIGGER and keep the instrument sighted on the target.
• A low-pitched growl means that the instrument is attempting to lock onto the target.
• A low-pitched beep means that a measurement error occurred. An error message will be displayed
(page 64).
• A high-pitched single beep means that a speed was captured. The measured speed will be displayed
on the LCD and projected in the scope just below the aiming reticule.
While the instrument is attempting to lock onto the target, as long as the TRIGGER is kept pressed, it
will retry the speed measurement.
• The instrument will attempt to lock onto the target for up to 5 seconds. Information is accumulated
until it gets a good measurement or generates an error message.
• Consequently, it is very important that the aiming point on the target remain constant for the entire
measurement time. If you move the instrument off the aiming point, it will generate an error code
instead of capturing a speed reading.
If Video Tracking is enabled (page 19), when the target vehicle reaches the specified distance, the
camera will capture the still image of the vehicle.
Video Tracking will stop if you move off the target, the laser measurement beam is interrupted, or the
maximum file size is exceeded.
If Video Tracking is disabled, the still image is captured when the speed is measured. Image quality
may be poor if the target vehicle is not in the camera focus range.
After you release the TRIGGER, the instrument will display the speed reading and the distance at which
it was captured or an error message.
• The speed displays as a negative number if the target was going away from you when it was measured.
• The speed displays as a positive number if the target was approaching you when it was measured.
The TruCAM will compare the measured speed to the Capture Speed Limit (System Setup Screen,
page 18).
• If the measured speed is greater than or equal to the Capture Speed Limit, the motion clip / still
image and the related measurement data will be saved to the SD Card.
• If the measured speed is less than the Capture Speed Limit, no data is saved to the SD Card.
5. Repeat steps 3 and 4 to capture each additional speed measurement motion clip / still image.
When the Weather Mode is active, the factory-defined gate setting increases the instrument’s minimum
range from 20 metres to 61 metres. Increasing the minimum range ensures that the laser only acquires
targets beyond the range where weather affects the laser’s ability to capture a speed reading.
Keep the camera on the target until it is on the rear Licence plate and then
Figure 48
release the TRIGGER. The still image is captured when you release the
TRIGGER.
When this mode is active the icon is displayed at the top of the LCD Touch Screen as Figure 48
shows.
To start the Rear Plate Mode, tap or press the soft key.
• Image quality may be poor if the target vehicle is not in the camera focus or range when you release
the TRIGGER.
• In this mode, target vehicles will always be approaching, therefore, all measured speeds will be
positive values.
To start the Video Only Mode, tap or press the soft key.
Since speed measurements are not
captured, pressing the TRIGGER
does not fire the laser.
Maximum recording is up to 2 minutes or 8 MB, whichever occurs first. Since the *.jmf file includes the
image data and file header information, the actual file size may be larger than 8 MB.
Selecting a Location
Since it is not possible to directly measure the back-to-front separation, a back-to-back or front-to-front
measurement is made and used to calculate the displayed DBC value. This approach biases the DBC
value in favour of the trailing vehicle by the length of the leading (or trailing) vehicle.
As shown in Figure 51, your measuring position may be in front of the lead vehicle for approaching
traffic or to the rear of the trailing vehicle for departing traffic.
To optimise the measurement geometry for the best possible results, the DBC measurement sequence
should be to the lead vehicle first and then to the trailing vehicle.
The offset is used to eliminate any bias in the DBC calculation due to the
cosine effect (page 31).
When entering the Roadside Offset, keep in mind that the minimum Figure 52
capture distance is a 2.5-to-1 ratio.
• Example: If your Roadside Offset is 10 metres, the minimum capture distance to either target vehicle
would be 10 metres x 2.5 = 25 metres.
Use the TruCAM to measure the Roadside Offset Distance or manually enter the Roadside Offset Distance.
Changes to the System Setup Screen are not saved until you tap or press the soft key.
However, unsaved changes are valid until the TruCAM is powered OFF.
Figure 53 Figure 54
2. Use the stylus and on-screen keypad to enter the desired Roadside Offset.
3. Tap or press the soft key to accept the entered value. Figure 55
Tap or press the soft key to start the DBC Mode. Remember to set the Roadside Offset
(page
40) before taking any DBC measurements.
Figure 57
The Minimum Capture Distance is the minimum distance that the TruCAM will accept a DBC
measurement.
The Minimum Capture Distance is 2.5 times Roadside Offset distance entered by the user.
If a vehicle measurement is taken and the distance to the vehicle is less than the Minimum Capture
Distance an error message is displayed and the measurement is aborted.
Tap the or press the soft key to load the motion clip and still image data.
To display the GPS data associated with the motion clip/still image, use the stylus to tap the Time/Date
data and toggle between Time/Date and GPS.
Toolbar Alternative
Function
Button Soft Key
or
[2] USB connection (page 12). Once the files have been transferred, then you can use the TruCAM
Image Viewer program to view the *.jmf files.
Tap
or press the soft key to load the motion clip. Figure 60(B) shows an example of the
screen that will be displayed.
A B C D
Figure 60
Tap
or press the soft key Figure 60 (B) to start the motion clip playback and immediately
the clip begins to play.
Figure 60(C) shows the view of the final frame after the motion clip has finished playing offering
further options as described below.
Tap the or press the soft key. Figure 60 (D) shows an example of the screen that will
be displayed.
This provides the operator with an opportunity to enhance the view of the final frame. Tap the
or press the soft key to enlarge the detail on screen.
Tap to playback the motion clip. As the motion clip is played, the
frame number is updated.
The Single triangle and triple triangle show playback speed. Single
is normal and triple is fast play during tracking.
In Figure 63(C), the marker that appears to the left of
the date and time represents 240 image size and has a total of 20
frames. During motion clip playback, the crosshair indicator displays
at the time and location on the target when the laser measurement
was taken. During DBC playback, the crosshair indicator displays
twice, noting the measurement time and target location for each
individual laser measurement during the DBC process.
1. Pull the TRIGGER to start the Capture Mode. The Speed Capture Screen will be displayed (page 37).
2. Quickly press and release the Power Button two times. The System Setup Screen will be displayed
(page 18).
3 Double-tap the Battery Icon located in the upper right corner of the LCD Touch Screen. The System
Setup Screen will be displayed (page 18).
Self Test
When the TruCAM is powered ON, a number of internal checks are performed. During those tests all
display segments are lit and a series of tones are emitted.
When all of the tests have successfully completed, the Self Test Results Screen is displayed briefly
before the instrument is ready for use.
If any test fails, a system error message is displayed and the instrument will not operate. See page 17
for information about Self Test results.
If any segment fails to display, contact Tele Traffic UK to arrange for repair. Figure 61
See the inside front cover for Tele Traffic UK Ltd contact information.
Scope alignment is set at the factory when the instrument is shipped. A heavy blow is the only reason
that the aiming reticule might ever go out of alignment.
The Scope Alignment Test uses sound to indicate when the scope is on-target with the laser
measurement beam.
When the scope is properly aligned and you are targeting close targets, you may see a small vertical
offset due to the separation between the optics of the sighting scope and the laser transmitter.
Therefore, where possible when performing the Scope Alignment Test you should choose a target that
is at the longest distance available.
• The target’s reflective qualities and distance should be such that you can clearly hear a change in
pitch of the test tone as you pan the instrument over the edges of the target.
• Make sure there is nothing behind the target that the instrument might detect, so you know without a
doubt that any change in pitch is due strictly to the target.
3. From the System Setup Screen, tap or press the soft key to
activate the Test Tone display screen.
It should look similar to Figure 62.
4. Scan the target. Press and hold the TRIGGER while panning the
instrument across the target. The tone changes pitch when the
instrument acquires the target. The highest pitch - the on-target tone -
should occur when the in-scope aiming reticule is centred on the target.
Scan the target both horizontally and vertically to confirm alignment in
both directions.
• If the test tone pitch decreases evenly off of each side of the target,
adjustment is not needed.
Figure 62
• The TruCAM counts the number of TRIGGER presses that are made
during the Scope Alignment Test.
After 5 TRIGGER presses, is displayed in the toolbar. Tap or press the soft key to
save the date and time of the
last Scope Alignment Test which is
displayed on the Device Information
Screen (page 25).
• If there is a discrepancy between the on-target tone and the position of the aiming reticule, remove
the TruCAM from use and contact Tele Traffic UK Ltd to arrange for repair. See the inside front cover
for Tele Traffic UK Ltd contact information.
Always perform the Scope Alignment Test (previous page) before doing the Camera Alignment Test.
3. Immediately view the position of the video crosshair on the display and
make sure that it is aimed in the same location as the aiming reticule.
• If the video crosshair is in proper alignment, adjustment is not needed.
As an example, refer to Figure 63.
• If the video crosshair is not in proper alignment, remove the TruCAM
from use and contact Tele Traffic UK Ltd to arrange for repair. See the
inside front cover for Tele Traffic UK Ltd contact information. Figure 63
The nature of Lidar is such that it cannot be tricked by a vibrating object, such as a tuning fork, into
displaying a velocity. For these reasons, Tele Traffic UK Ltd recommends the Fixed Distance Zero
Velocity Test as an accurate method of verifying whether or not that the instrument is measuring correctly.
Tele Traffic UK Ltd suggests that you do one of these tests each time the instrument
is taken on duty.
These tests verify the accuracy of the two key elements of Lidar speed measurement:
When setting up an area for these tests, Tele Traffic UK Ltd recommends:
• Permanently installing the test area in a convenient location. The test area must establish a
permanent, known distance between a shooting mark and a target (Fixed Distance Zero Velocity Test)
or between a shooting mark and two targets (Delta Distance Test).
• Using a metal tape to measure the distance; this will ensure that the measurement is accurate.
Other considerations:
• The shooting mark is where you stand to do the test, and it can be an “X” painted on the pavement.
• A target can be any flat, permanent structure, a sign or wall, for example, painted with a bull’s eye or
other aiming point.
• The shooting mark and the target must form a straight line. The manner in which you stand and hold
the instrument both affect the test measurements. For exact readings, carefully hold the instrument so
the centre of the TruCAM is directly over the middle of the X.
2. Ensure the TruCAM is powered ON and that the Speed Mode is active.
4. Check the display. The speed reading should be zero MPH (0 MPH)
as Figure 65 shows.
Tele Traffic UK Ltd recommends that you perform this test before or after each shift to verify
that the video crosshair displayed on the screen matches the position of the aiming reticule.
The video crosshair displayed on the screen is set at the factory when the instrument is shipped.
A heavy blow is the only reason that the camera and crosshair position might ever go out of alignment.
Example:
If the fixed distance was 60 metres an acceptable displayed distance result = from 59.8 to 60.2 metres.
Distance accuracy = ±15 cm or 0.2 metres (rounded).
Speed accuracy = ±1 MPH.
If you need assistance, contact Tele Traffic UK Ltd. See the inside front cover.
When in storage, the TruCAM is rated for a temperature range of -20°C to +60°C (-4°F to +140°F).
Do not store the instrument in temperatures outside that range.
Shock Protection
The TruCAM is a precision instrument and should be handled with care. It will withstand a reasonable
drop shock. If you drop the instrument, check the scope alignment (page 46) and camera alignment
(page 48) before using the instrument for speed measurement / video image capture.
Transporting
Use the provided carrying case when transporting the TruCAM. This is especially important when
transporting the instrument in a vehicle since sudden bumps or sharp cornering might damage
the instrument.
• Excess moisture. Towel off excess moisture and air dry the instrument at room temperature.
• Exterior dirt. Wipe exterior surfaces clean.
LCD Touch Screen. Use a soft cloth to wipe the screen. Do not use any liquid cleaners.
To reduce the risk of damage to the internal components, do not spray liquid directly on the
screen or allow excess liquid to drip into your TruCAM. Using soap or other cleaning products
on the screen might discolour the finish and damage the screen.
Battery Pack
If you won’t be using the instrument again soon, remove the Battery Pack before storing it.
Use a lens brush to remove surface dust and loose particles. To clean a lens, moisten it with lens
cleaning solution and wipe it with a clean cloth or lens tissue.
While the Calibration Screens are displayed, the Toolbar buttons are not active.
Do not tap
or
. The soft keys located on the rear panel are active while the Calibration
Screens are displayed:
Press the button to cancel the realignment process and return to the System Setup Screen
without realigning the Touch Screen.
1. Display the Device Parameters Screen. Figure 66 (A) followed by (B) show how screens
should appear.
Use the stylus to tap the area indicated on the screen to “Proceed” and Align the screen.
3. Figure 70 (B) shows the second Calibration Screen. Tap the target black box in the lower right
corner of the screen.
• If the process is successful, the data will automatically be saved and the System Setup Screen will
be displayed.
• If the process is not successful, a message will be displayed prompting you to “Please try again”
Start with Step 2 above.
4. Figure 70 (C) shows the third Calibration Screen. Tap the target black box in centre of the screen.
Figure 68
3. As Figure 69 shows, the TruCAM Splash Screen will be displayed while parameters are reset.
Once all parameters are reset, the TruCAM will power OFF.
Figure 69
Tap
or press the soft key to cancel without resetting the parameters. The Device
Parameters screen will be displayed.
AGC enabled 33
Capture Speed 0 19
Crosshair Classic 23
HUD brightness 6 10
Operator ID 23456 19
Speed Limit 0 19
Track Storage 8 29
Transfer motion clips (*.jmf files) from the SD Card to the Office PC.
Play motion clips and view still images.
Create *.avi format of a motion clip. The *.avi files can be viewed using a program such as Microsoft
Windows Media Player.
Create *jpg format of a still image.
Create a *.jpg format of a single frame of a motion clip.
Create and manage Predefined Lists for Operator Names and Locations used on the TruCAM
System Setup Screen.
Print images.
Select the language used for text display in both the TruCAM and the TruCAM Image Viewer program.
Check/repair the SD Card.
PC Requirements:
1. Operating System: Microsoft Windows 2000, Microsoft Windows XP or Microsoft Windows Vista
2. CD ROM Drive
3. USB Port
Figure 70
Available
Menu Function
Options
File Allows you to select the *.jmf file that you want to view. First you will be
Open Clip prompted to select a folder (laser serial number), and then a second folder
based on the date (MM_DD). Example of MM_DD is 05_04 = May 4th.
Displays Speed and Capture Limit detail, TruCAM firmware version number,
TruCAM serial number, Last Alignment, Operator ID and Name, Image Capture
View Details
Date, Time and Location, and any GPS data related to the *.jmf file that is
currently displayed.
Transfer Clips
Moves or copies the *.jmf files from the SD Card to the Office PC.
from SD Card
Generates or updates the Summary. log file. This log file is a text file that
Refresh Clips contains one record for each *.jmf file transferred from the SD Card to the Office
Summary PC using the TruCAM Image Viewer program. By default, log file location is
C:\Program Files\LTI\TruCAM Viewer\.
Displays the Browse Clip Files window. This window includes the information
Browse Clips from the Summary.log file that was generated or updated using the “Refresh
Clips Summary” option (above).
Save Current
Creates a *.jpg format of the frame of a motion clip that is currently displayed.
Frame
Crosshair Classic Like the TruCAM, you can toggle the crosshair between
Predefined Manage Operator Allows you to create and manage the Operator Names Lists for use on the
Lists Names TruCAM System Setup Screen.
Manage Allows you to create and manage the Locations Lists for use on the TruCAM
Locations System Setup Screen.
Printing Prints two images from the *.jmf file that is currently displayed: (1) The frame
that displays the crosshair to indicate the speed and distance measurement. (2)
Print
The final frame of the motion clip. Also includes the text data related to the *.jmf
file. (next page) shows an example.
While viewing images, you can tag or select individual images that you want to
Print Tagged print (page 59). This option allows you to print only the images that you tagged
while browsing.
Continued...
Available
Menu Function
Options
Printing Displays the Print Selected Clip Files window that allows you to select multiple
*.jmf files. Prints two images for each *.jmf file selected: (1) The frame that
displays the crosshair to indicate the speed and distance measurement. (2) The
final frame of the motion clip. Also includes the text data related to the *.jmf file.
Language Displays the languages that are available to be loaded on the SD Card. Default:
Select TruCAM allows you to select a maximum of 4 languages. Displays the languages that
Languages are currently loaded on a particular SD Card. U.K specification will have only
English as an option.
Displays the current language displayed in the TruCAM Image Viewer program.
Select Viewer
This allows you to change the language displayed in the TruCAM Image Viewer
Languages
program. U.K specification will have only English as an option.
SD Tools Checks the integrity of the SD Card file system. Repairs the SD Card file system
Check & Repair
if a problem is found.
About Displays the TruCAM Image Viewer Software version number and copyright
N/A
information. Tap the OK button to close the About Screen.
File: 1285673045_w7000_0928_112405.jmf
Figure 71
Figure 73
• If you click the [Yes] button, the files will be moved from the
SD Card to the Office PC. The files will no longer reside on
the SD Card.
• If you click the [No] button, the files will be copied from the SD
Card to the Office PC. The files continue to reside on the SD Card.
• As Figure 73 shows, a progress bar will be displayed.
Click the Cancel button if you want to stop the transfer process.
• When the transfer process is complete, a message box will be Figure 74
displayed as Figure 74 shows.
4. Click the OK button to clear the message.
If your files are not stored in the default location, select the File Menu > Open Clip option and then
manually navigate to locate the *.jmf file that you want to open.
Scroll to previous or
next Motion Clip
Frame Data
Measurement Results
(Speed & Distance)
Figure 76
To scroll to the next *.jmf file, select the at the top of the MOTION CLIP display area.
To scroll to the previous *.jmf file, select the above the MOTION CLIP display area.
• As you scroll through the *.jmf files, the images, Detail Summary, Motion Clip Counter, Still Image
Size, Frame Data, and Measurement Results will update.
• The crosshair indicator displays at the time and location on the target when the laser measurement
was taken. During DBC playback, the crosshair indicator displays twice,noting the measurement
time and target location for each individual laser measurement during the DBC process.
Figure 77
To tag this image to print later, use the mouse to click on the box that appears to the left of the “Print”,
the Tag to Print option shown in Figure 76. When ready to print all tagged images, select the Printing
menu > Print Tagged option.
Problem Remedy
The LED Charge Indicator is not lit during the The battery charge is too low. Leave the TruCAM
charging process. plugged in for at least one hour to trickle charge
the cells.
After one hour, disconnect and reconnect the
charging cable.
If enough charge is present, the LED Charge
Indicator should be orange (page 7).
The TruCAM is powered ON and is not responding Remove and then re-insert the battery pack.
to any taps or button presses. Press the Power Button or pull the TRIGGER to
power ON the TruCAM.
The TruCAM is not responding properly to taps and The LCD Touch Screen needs to re-aligned.
double-taps. Access the Device Parameters Screen.
Select or double-tap the Align Screen “Proceed”
option. Follow the prompts to re-align the screen.
I changed the time zone on the System Setup The change is not immediately displayed. The Date
Screen, but the Date & Time was not updated. & Time is only updated when the GPS has a fix. In
most cases you will have to be outside and cycle
the TruCAM OFF
On the Device Information Screen, the Last The Last Alignment Check is only updated after you
Alignment Check displays an incorrect date. have a completed a minimum of 5 test tones. You
may have completed less than 5 test tones. Repeat
the Scope Alignment Test (page 46) and remember
to tap or press to save the test results
before exiting the screen.
The various Power OFF intervals are inconvenient, The default values associated with the various Power
either too short or too long. When intervals are too OFF intervals are designed for battery life. The
long, it drains the battery charge. Power OFF intervals can be extended or shortened
on the Device Parameters Screen (page 27).
I want to increase the on-time of the GPS. Set the GPS interval to 0 to prevent the GPS
from powering OFF (page 28). Note: the continual
on-time will shorten battery life.
Date and/or time is incorrect. Update on the System Setup Screen (page 20).
During the Manned Auto Mode, only still images If you require video clips, select the Unmanned
are produced, video clips are not produced. Auto Mode.
Difficult to see the LCD Touch Screen. Tap
to adjust the intensity of the LCD Backlight.
Attach the Sun Shade.
Change your location in relation to the sun.
The in-scope aiming reticule is not visible. Pull the TRIGGER to activate the aiming reticule.
Tap to increase the intensity of the aiming
reticule.
Adjust the polarizing filter.
Measurement Error: Unstable Targeting. Attach the Shoulder Stock (page 35) or mount the
TruCAM on a tripod.
I want to increase the on-time of the GPS. Set the GPS interval to 0 to prevent the GPS
from powering OFF (page 28). Note: the continual
on-time will shorten battery life.
Erroneous speed measurements / not repeatable. Do you have a clear line of sight?
Check the scope alignment.
Is it raining or foggy. If yes, is the Weather Mode
active? If not, turn it ON. Keep in mind that the
minimum range will be 61 metres.
When measuring a short range to a small target,
aim slightly above the target.
Images are fuzy. Keep in mind that the optimum targeting distance
is 70 metres. Hand-held: 15 - 80 metres. Tripod
mounted: 15 - 90 metres. You may need to adjust
the Video Tracking Distance (page 19), Camera
settings (page 32).
Difficulty acquiring target while aiming through rain Is the Weather Mode active? If not, turn it ON. If
or snow. not, turn it ON. Keep in mind that the minimum
range is 61 metres. It may be necessary to adjust
the Video Tracking Distance (page 19), Camera
settings (page 33).
I connected the TruCAM to my computer using a Verify that the TruCAM is powered ON and that
high-speed USB 2.0 cable and the “High Speed both ends of the cable are connected properly.
USB” message was not displayed.
Using the USB connection, it is not possible to Using the USB connection, files on the SD Card
delete files from the SD Card. are Read Only. In order to remove files from the
SD Card, use the SD Card Reader that provided
with your TruCAM.
Still image/motion clip files are large. Want to be For a 4 GB SD Card, the average is
able to store more files on the SD Card. approximately 2,000 files stored. If you find a
4 GB SD Card stores less than that, you may
want to change the Video Mode setting to 1920/240
(page 19) and also decrease the Frame Rate and
Track Storage (page 27).
In Playback Mode when displaying folder contents, If the Battery Pack is accidentally removed or the
two files have the same file name. SD Card is rejected while a film clip is being saved,
the Film Number may be not increased. The folder
will have two motion clips that have the same Film
Number and the first file will be damaged
I did not use the TruCAM Image Viewer program In the TruCAM Image Viewer program, select
to transfer the *.jmf files to the Office PC, and File > Open Clip option. Then manually navigate
now I want to use the Viewer program to open to the folder that contains the *.jmf file that you
the *jmf files. want to view.
To make sure that you never get an erroneous speed reading, the TruCAM monitors both the system
hardware and the measurement. When the instrument detects an error condition, it displays an error
message instead of a measurement.
Error Messages
The table below lists the possible error messages related to speed measurements. This is not a complete
list, there are additional error messages that may be displayed on the LCD Touch Screen. Generally,
the error messages are self explanatory. You will need to tap OK to clear the error message, correct the
cause of the error and then retry the action that had caused the error message to be displayed.
Measurement Error - the target was out of range or was too close. E 01
Measurement Error – insufficient data. The unit does not have enough data to
E 02
measure speed. Possible Cause: early release of the trigger or time out.
Jam Detect - high level of interference from a light source such as a xenon
E 07
headlight or other smart jamming device.
Calibration Errors. Please turn OFF unit and try again. If the same error is E 55 E 57
continuously repeated, please contact Tele Traffic UK Ltd. ** E 56 E 58
Memory failure. Please turn OFF unit and try again. If the same error is
E 60
continuously repeated, please contact Tele Traffic UK Ltd. **
Receiver Failure. Please turn OFF unit and try again. If the same error is
E 62
continuously repeated, please contact Tele Traffic UK Ltd. **
RFI Considerations
The TruCAM does not display a specific error message indicating the presence of radio frequency
interference (RFI).
The instrument’s electronics have been designed for optimum RFI immunity. If RFI is present, the
instrument displays an error message. The exact code depends on the level and nature of the RFI.
Sound Explanation
3 Low-Pitched and
At Power ON.
1 High-Pitched Beeps
Low-Pitched Growl The instrument is attempting to lock onto a target for a speed measurement.
1 Low-Pitched and The instrument was not able to complete the intended speed measurement due to an
2 High-Pitched Beeps error. An error code will be displayed to the indicate the nature of the error (page 64)
High-Pitched Single Beep The instrument successfully completed the intended speed measurement.
Icons that Appear at the Top of the TruCAM LCD Touch Screen
The icons are the images that display at the top of the LCD Touch Screen.
Icon Explanation
LTI logo
Tap to capture *.bmp image of the image that is displayed on the LCD Touch Screen.
GPS Information
Displayed: TruCAM is in the process of receiving GPS information.
Not Displayed: TruCAM is not currently in the process of receiving GPS information.
Weather Filter
Displayed: Weather Filter is active.
Not Displayed: Weather Filter is not active.
0 = dimmest
3 = default
4 = brightest
LCD
Confirm or Confirm or Confirm or
Backlight
Select Select Select
Level
Display
Scope HUD
System Playback
Alignment Intensity
Setup Mode
Test Level
Screen
Display Next
Distance 3 Options on
Night Time Automatic
between the Capture
Mode Gain Control
Cars Session
Toolbar
Advance Reload
1 Frame Motion Clip
Next
Zoom In
Folder
Laser
Measure
Play
DBC
Motion Clip
Roadside
Offset
Stop
Motion Clip
Zoom Out
Manually
Enter DBC
Roadside
Offset
AGC: Automatic Gain Control. Optimises picture quality at all times during
the day. It increases the video signal at low light levels to make the
picture brighter.
Aperture: A unit of measurement that defines the size of the opening in the lens
that can be adjusted to control the amount of light that reaches the
digital sensor. The size of the aperture is measured in F-stop.
Beam divergence: The tendency of a laser beam to expand in diameter as it moves away
from the source, measured in milliradians (mrad).
Delta Distance Test: Optional Feature. Uses two measurements each to a known distance to
verify the measurement accuracy of the TruCAM.
Depth of Field: DOF. Unit of measurement that represents the range of distances within
an image where the focus is acceptably sharp.
Fixed Distance Test: Uses one measurement to a known distance to verify the measurement
accuracy of the TruCAM.
Focal length: Refers to the size of the image and angle of field of view as seen by the
camera through the lens.
HUD Integrity Test: Heads Up Display Integrity Test. Allows you to verify that all segments of
the in-scope display and aiming reticule are operating properly (page 46).
Lidar: A device that is similar in operation to radar, but emits pulsed laser light
instead of radio waves.
Microcontroller: The computer processor that controls all of the functions of the TruCAM.
Receive Lens: Located on the front panel of the TruCAM, it is the bottom lens and
receives the signals back from the target and then feeds the signal
information to the microcontroller.
Reticule: A scale located in the sighting scope that helps you aim to your target.
It is visible when the TruCAM is powered ON. You may need to pull the
TRIGGER to see the reticule.
Shutter speed: The length of time that the shutter remains open as the image is
captured, and is very critical for image quality. Choose lower values as
much as possible. The shutter speed and aperture together control the
total amount of light reaching the sensor. Shutter speeds are expressed
in fractions of a second.
Transmit Lens: Located on the front panel of the TruCAM, it is the top lens and
transmits the infrared laser signals.
Weather Mode: Alternate speed measurement mode. The laser only acquires targets
that are beyond the range where weather affects the laser’s ability to
capture a speed reading. Targets must be at a distance greater than
61 metres.
White balance: Compensates for lighting conditions, and allows the camera to “see”
white under a given lighting condition.
Physical Construction
Display: 2.7 inch (6.9 cm), 240x320 pixel, colour, 18 bits per pixel (bpp),
touch sensitive
Battery Pack: 7.4 v dc, Lithium-ion Polymer rechargeable battery pack, short circuit and
overcharge protected, providing up to 15 hours of cordless operation.
Software
Video Modes: Selectable video capture frame rate before the measurement and based
on motion clip size selection:
Track Storage: Selectable frame storage after the measurement and based on the current
Maximum Record Size: 120 seconds (2 minutes) or 8 MB which ever occurs first.