QCM
QCM
QCM
Fromeco
Instructions
be can plugged be hooked in up port2 of the QCM and the corrisponding channels in your RX. QCM er is can on, or while powpre power up. start to opQCM splash After which each servo accordingly. Once power is applied the system QCM will erate. After about 1.5 seconds of power screen will pop up Fromeco Scale Avionics. QCM will display the amperage in mA of hooked to it. Make adjustments to servos What to expect: Everyone who uses the QCM is going to have a little bit different experience. Not all servos are going to be the same, not all set ups are going to be the same. That being said once you plug the QCM in it will become evident on how it operates and how valuble of a tool it is. Field testers did not not want to give their prototypes back. PLEASE NOTE: QCM is NOT a scientific test grade instrument. Nor is it designed to be. Amperage readings between a QCM and a actual multimeter may be slightly different. This is okay and irrelevent to matching servos. Each QCM is tested and calibrated with a Scientific standard at our shop to ensure each of its channels is reading the same.
Helpful Hint. As you measure surfaces make sure they are Isolated tests. Unplug all other surfaces from your RX. Voltage bouncing on your RXs buss, will cause the QCM amperage readings to fluctuate wildly in some cases. When testing a surface plug your Servos in 1 at a time. This will help you to isolate a servo that is binding. 1 Servo in a gang of 4 will cause all other (3) servos amperage to go up.
Example: Take a Right wing pannel for a 35% aircraft. This right wing pannel has 2 servos for the Aileron. Plug the Aileron servos into the TO SERVOS port1 and port2 of the QCM. Take 2 Jumpers and plug them into the FROM RECEIVER port1 and
What not to do! DO NOT try to use QCM to measure you whole planes amperage draw.
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