I bought a copy of Reflex XTR, and bought a Futaba square type connector from Xtreme RC since the software came with JR interface...

Anyhow...

I got the sim started, but the radio wouldn't power up from the PC's power, I have to keep the Tx power switch On... and Channel 3 (throttle) is not coming up with a Signal in the Center Calibration, however my Collective Pitch does work when I move my Throttle/Collective stick up and down on the Tx....

So, I read up on a few threads about checking the interface cable. I popped mine open and found only two wires, a Black on Pin 2, and a Green on Pin 3, and Pins 4 and 5 have a bridge of solder across them.

help?!?!?

I had to reverse wires on my cable to get my 7CHP to work. Your colors are different but if you switch the 2 colors and remove the bridge it should work.
Good luck
Jim

i switched the two wires and didn't remove the bridge and it seems to work...

I'm getting Channel 3 throttle working now..

the shop i bought the cable from told me that the bridged contacts anable the "tranier" mode in the 7c

Did you remove the bridge though?

I removed the bridge and I remove the crystal when using sim. Glad you got it working
Jim