LIMITED WARRANTY

This product is warranted to the original consumer purchaser to be

free from defects in materials and workmanship under normal installation,
use and service for a period of one (1) year from the date of purchase as
shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be
limited to repair or replacement (at our option), during the warranty period
of any part which proves defective in material or workmanship under
normal installation, use and service, provided the product is returned to
Rolls Corporation, TRANSPORTATION CHARGES PREPAID. Products
returned to us or to an authorized Service Center must be accompanied by
a copy of the purchase receipt. In the absence of such purchase receipt, the
MP1288
warranty period shall be one (1) year from the date of manufacture.
This warranty shall be invalid if the product is damaged as a result
MIDIWIZARD
of defacement, misuse, abuse, neglect, accident, destruction or alteration
of the serial number, improper electrical voltages or currents, repair,
MIDI CONTROLLER
alteration or maintenance by any person or party other than our own
service facility or an authorized Service Center, or any use violative of
instructions furnished by us.
This one-year warranty is in lieu of all expressed warranties,
obligations or liabilities. ANY IMPLIED WARRANTIES, OBLIGA-
TIONS, OR LIABILITIES, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, SHALL BE LIMITED IN DURATION
TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED
WARRANTY. Some states do not allow limitations on how long an
implied warranty lasts, so the above limitation may not apply to you.

IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL,

INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF
THIS OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED,
WHATSOEVER. Some states do not allow the exclusion or limitation of
special, incidental or consequential damages so the above limitation or
exclusion may not apply to you. This warranty gives you specific legal
rights, and you may also have other rights which vary from state to state.

RFX
Salt Lake City, UT
5/98
OWNERS MANUAL
INTRODUCTION RFX MIDI PHANTOM POWER
Thank you for purchasing the MP1288 MIDIWIZARD. The MP1288 was designed Inspired by an article in the December 1989 issue of Electronic Musician (by
to give you control of a whole universe of MIDI-compatible processors, keyboards, Craig Anderton), we decided to emulate their MIDI phantom power model for RFX
sequencers, MIDI-linked PC terminals or anything else than can receive MIDI on equipment. MIDI receivers supply 12 VDC on pins 1 and 3, and transmitters
any of the 16 standard MIDI channels. receive power on those same pins. Many MIDI devices can be modified to supply
The MIDI WIZARDS's compact, durable chassis and low profile make it easily power down the cable, but of course RFX makes no warranty to anyone as to the
integrated into the sometimes crowded studio or stage environment. And, if you applicability of this modification or any damage that might be done as a result
choose not to use it as a foot controller, the Wizard is designed to fit into an extra thereof. We supply this note for those adventurous people who may want to give it
rack space in any 19 inch audio rack. As with every RFX MIDI unit, it is Phantom a try.
powerable, which eliminates the need for a separate power cord. The 1288 has Connect pin 1 to circuit ground, and pin 3 to +9 - +15 VDC of the receiving unit.
the power and memory capabilities to become the nerve center of an entire MIDI
recording studio as well as live situation. The Wizard can send up to 8 program
changes to 8 different MIDI-linked units for each program number assigned to the PHANTOM PWR
+9 TO +15V
pedal. Also up to 8 continuous controllers can be used to very parameters directly
GROUND
on the receiving unit in real-time. 3 1

5 4
TABLE OF CONTENTS
2
MIDI SIGNAL MIDI SIGNAL

INTRODUCTION 1
TABLE OF CONTENTS 1
POWER-UP 1 SPECIFICATIONS
DESCRIPTION 2 Data Sent: MIDI Program Change and MIDI Continuous Control
OPERATION 2 Size: 17" X 6" X 1.5" (381 x 153 x 38 mm)
Definition of Terms 2 Weight: 4 lbs. (1.4 kg)
MIDI Channel 3 Power: 7 - 15 VAC/VDC 120 mA
Standard SEND Mode 3 Phantom Power: 7 - 25 VDC 120 mA, pin 1 neg, pin 3 pos.
LEARN (Programming) Mode 3 Display: 2 digit red, .56" high efficiency
Changing Display Count and MIDI Channel 3 Output: Standard MIDI Program Change, Continuous Control
MAPS 4 Output Jacks: 2 5-pin DIN jacks (MIDI OUT, MIDI SHARE)
Using Continuous Controllers 5 Chassis: Black painted steel
Clearing the Memory 5 MASTER VOLUME
RIGHT +17

D S P 1
LEFT

18
+8

MIDI Test Mode 5 0 10 0 10

0

-4

-13
PWR

RFX MIDI Phantom Power 6 From SM2 MIDI Through

To DSP1 MIDI Input
SPECIFICATIONS 6 FX MASTER VOLUME
RETURN RIGHT +17

MAPPING Example Diagram 6 S M 2

LEFT

06
+8

0 10 0 10 0 10 -4
PWR
-13

WARRANTY Back Cover From SM1 MIDI Through

To SM2 MIDI Input

POWER-UP
FX MASTER VOLUME
RETURN +17

S M 1
LEFT RIGHT

0 10 0 10 0 10
+8

-4
PWR
12
-13

Power-up of the MP1288 is accomplished by using the supplied AC power To SM1 MIDI Input
adapter, or by connecting the MIDI OUT jack to any MIDI unit with Phantom 1 2 3 4 5 6
CONTINUOUS CONTROLLERS
7 8
MIDI IN MIDI OUT POWER

power capabilities using any standard MIDI cable. ID IW IZ A R D CONTROLLER #

MAP #
CHANNEL #

MPC#
LEARN
SEND
RUN
MP1288
MADE IN USA

The MIDI IN links other MIDI devices into the MIDI line and merges them to avoid PROGRAM 0 CHANNEL 1 MAP # 2 MPC # 3 CONTROLLER # 4 STORE

data collisions. (For example, 2 MP1288s operating on different MIDI channels

could be used together and use the same MIDI cord.) PROGRAM 5 CHANNEL 6 MAP # 7 MPC # 8 CONTROLLER # 9 MODE
0 - 127
1 - 128

(Mapping Example from page 4.)

1 6
USING CONTINUOUS CONTROLLERS DESCRIPTION
The CONTINUOUS CONTROLLER jacks on the top of the MP1288 are input
jacks for separate controlling devices. These controllers can be 0 - 5 volt voltage A B C D E

control pedals, or a unit that uses a variable resistance to ground, such as the 1 2 3 4 5 6
CONTINUOUS CONTROLLERS
7 8
MIDI IN MIDI OUT POWER
F

RFX 402p volume pedal.

ID IW IZ A R D MP1288
If you have a pedal with 0 - 5 voltage control range, just plug it in and start pro- CONTROLLER #
MAP #
CHANNEL #

MPC#
LEARN
SEND
RUN
MADE IN USA

gramming. However, if a variable resistance controller is used, the actual control

PROGRAM
0 CHANNEL
1 MAP #
2 MPC #
3 CONTROLLER #
4 STORE
range may vary depending on the potentiometer in the pedal. Check the manual of
the receiving unit(s) for the controller numbers of the parameters you wish to
control. The 1288 can accommodate controller numbers 0 - 122.
PROGRAM 5 CHANNEL 6 MAP # 7 MPC # 8 CONTROLLER # 9 MODE
0 - 127
1 - 128

Connect the pedal to the jack you wish to use, (Several different pedals can be
used depending of the functions of the unit(s) being controlled).

While still in LEARN mode, click down to A PROGRAM button until [C1] to [C8] G

shows in the number display. Now select the channel of the unit to receive the
controller signal and press STORE. A: Continuous Controller input jacks. 1/4" jacks (tip-sleeve only) for receiving 0-5
volt continuous controller voltages, or standard resistive volume pedal outputs.
Example - Your wah/volume pedal comes equipped with an output jack that makes B: 3-digit high-efficiency number display for:
it double as a voltage controller. Your guitar signal processor lets you remotely • Displaying the program number being accessed while in normal SEND
adjust the Chorus speed, master volume or hi-mid-lo settings. Since the guitar mode.
signal processor is set for MIDI channel 2, plug the controller into CONTINUOUS • Displaying MAP numbers, MIDI channel numbers, and CONTINUOUS
CONTROLLER jack number 1 and assign jack number 1 to MIDI channel 2. This CONTROLLER numbers being assigned while in LEARN mode.
is done by selecting the Program button while the CONTINUOUS CONTROLLER C: MIDI IN jack. 5-pin jack for connection to the MIDI device to be controlled.
# LED is lit and then selecting MIDI channel 2 - since the receiving unit is set for E: POWER jack. For connection to the 12 VAC or DC supply.
MIDI channel 2. F: Function LED indicators. Indicate the following:
• The SEND LED indicates that a MIDI signal being sent to the unit(s)
CLEARING THE MEMORY - FACTORY PRESET being controlled.
The MP1288 can be reset as it came from the factory by simply holding down • The RUN LED indicates the unit is in "send" mode.
both CHANNEL buttons while in the LEARN mode. • The LEARN LED indicates the unit is in "learn" mode.
• The display will show [FP] (meaning factory preset) for about 60 • As you assign each MAP #, CHANNEL #, MIDI PROGRAM CHANGE
seconds then clear. This clears all previously programmed information. (MPC) #, or CONTROLLER #, the corresponding LED will stay lit.
G: Function Footpads. For performing the following functions:
MIDI TEST MODE • Incrementing, decrementing, and programming Program #s, MIDI
The 1288 comes with a bonus testing mode for testing other MIDI transmitters. Channel #s, MIDI Map #s, MPC #s, Continuous Controller #s, and
To access the TEST Mode, hold the two PROGRAM buttons down on power-up. MODEs.
Connect the unit to be tested to the MIDI IN jack of the 1288, and send a signal • STOREs and directly accesses program #s.
from the test unit. The MIDI WIZARD will display the channel and the program
change number (MPC#) coming in from the unit being tested. OPERATION
If a controller is being tested, the display will show the channel number, then the DEFINITION OF TERMS
controller number while lighting the CONTROLLER # LED. In order for you to clearly understand programming and operating your MP1288,
In this mode, all the buttons on the MP1288 are inactive because the 1288 is only youmust u
an input testing device. This features makes the MP1288 a very useful tool when nderstand the following terms:
troubleshooting any MIDI transmitting device. Program - Refers to the MP1288 Program Number, the number displayed on the
TO EXIT MIDI TEST MODE YOU MUST UNPLUG THE POWER FROM THE 1288.
MP1288. Preset (or Program Change Number), refers to the MIDI number sent by the
MP1288.
5 2
MAP or PATCH refers to Program Changes (up to 8 total) sent by one Program of
MIDI Channel - Refers to the specific channel the MIDI data is being transmitted MAPS
and received upon. Much like radio operation, both the radio station and your radio An example is the best way to explain this procedure, a graphic representation is
must be tuned to the same channel in order to communicate. There are 16 MIDI shown on Page 6.
channels in which to send and receive upon. For our example, we want Preset #1 (that’s the number that will be displayed on
the MP1288) to change the SM1 (Sound Module) to program number 12, the SM2
to program number 6, and the DSP1 (Digital Signal Processor) to program
Standard SEND mode number 18. Then, we’ll have the MP1288 Preset #2 change the SM1 to program
Upon power-up, the MP1288 is in SEND or standard operating mode. number 7 and the SM2 to program number 14, leaving the DSP1 alone.
The MP1288 may be switched to accommodate units that count from 0 to 127, or Since the MP1288 always sends out a program change number that’s the same
from 1 to 128. (see LEARN mode). as the preset number, set the MP1288 main MIDI channel to a number that is
Program number changes are sent to the unit(s) being controlled by simply sing NOT being used by any of the devices that's being controlled. Let's use channel
the leftmost PROGRAM UP or PROGRAM DOWN buttons. This selects the 10's 13. This procedure is explained on page 3.
digit. 1. Press and hold the Program up and down buttons to enter LEARN mode.
The buttons labeled in white and marked 0 through 9 select the 1's digit. MIDI data 2. Press the Program Up button to tell the MP1288 that we’re programming
is sent out when a 1's digit is pressed, and the SEND LED will flash. Preset number one. (I realize this is confusing because it says “Program Up and
Example: If you want to access program number 47 on a MIDI controlled unit - Down” on the MP1288 and I call them Presets - but there must be a distinction
upon power-up, the display shows [0-]. Push the PROGRAM UP button 4 times, made between the numbers displayed on the MP1288, and the program numbers
the display now reads [4-]. Now, press the 7 button and the display will read [47], displayed on your MIDI devices being controlled.) 01 should be displayed.
and program change number 47 will be sent to the receiving unit (it should also 3. Press the Map # Up button - 01 should be displayed. This is the first Map.
4. Press the MPC (MIDI Program Change) # Up button. It should display a 00.
read 47). You may also select multiple presets (up to 8) on multiple units using the
Press the MPC # Up button twelve times to change the display to 12.
MIDI MAPS (see MAPS) section. 5. Press the MIDI Channel Up button. Change it to 01.
6. Press the Map # Up button again - change it to 02. This is the second Map.
LEARN (Programming) Mode 7. Press the MPC # Up button - change it to 06 by pressing it 6 more times.
In order to change MIDI Channels, program MIDI MAPs, change the Display 8. Press the MIDI Channel Up button - change it to 02.
Count, and program the Continuous Controller function, you must first be in 9. Press the Map # Up button again - change it to 03. This is the third Map.
LEARN Mode. To access the LEARN mode, simply hold down both PROGRAM 10. Press the MPC# Up button again and change it to 18.
11. Press the MIDI Channel Up button again and change it to 03.
buttons for about 5 - 7 seconds. 12. Press STORE.
• The LEARN LED will light and the display will be [00]]. 13. Press the Program Up button again - we’re going to program Preset #2.
To exit the LEARN mode, and return to SEND or standard mode, hold down both 14. Press the Map # Up button and change it to 01
PROGRAM buttons again for 5 - 7 seconds. 15. Press the MPC# Up button and change it to 07.
Changing display count (0-127 or 1-128) 16. Press the Channel Up button and change it to 01 - the proper MIDI channel for
To select the display count mode, press the MODE button. the SM1.
• Access LEARN Mode. 17. Press the Map # Up button and change it to 02.
18. Press the MPC # Up button and change it to 14.
• The display will flash [01 to 128] or [0 to 127], the last one you see is the 19. Press the Channel button and change it to 02.
one selected. To select the other one, press ?. 20. Press STORE.
Changing the MIDI Channel
To change the MP1288's send MIDI Channel, press a CHANNEL button while [00] 21. Now press and hold the Program Up and Down buttons until the MP1288
is displayed at the start of LEARN Mode, then press STORE. returns to Run Mode.
• Access LEARN Mode
• The display now counts through all the program numbers, changing In order for all of this to work, your first device (the SM1) must be on MIDI Chan-
nel 01, the second device (the SM2) must be on channel 02, and the third device
them to the new channel.
(the DSP1) must be on MIDI channel 03. Refer to their respective owner’s manu-
Remember, the MP1288's channel numbers can be programmed on an individual als to learn how to do that.
or group basis (see MAPS).
• When the display reads [00] for the program number, the MIDI channel Remember that the MP1288 must be on an overall MIDI channel of something
number will be for ALL program change numbers. CAUTION: This will erase all other than 01, 02 or 03. Go to bank number 0, so the display shows a 0-, and
MAP numbers so the main MIDI channel number should be selected first. press the #1 button. Hopefully, if everything was done right, your three devices
** Remember, all PROGRAMMING functions are marked on the chassis in BLUE, went to the correct program numbers. Press the #2 button and the SM1 should
change to program number 7 and the SM2 to program number 14, the DSP1
and all SEND functions are in WHITE. **
should remain unchanged.
3 4