Installing FMS "fmsdisk01.exe" & Set-up for FMS to Transmitter Remote - Beginner's Forum for RC Helicopters, Airplanes & Cars!: "Now click on 'Mapping / Calibration'. The screen that pops up is the HEART & SOUL of configuring FMS to the TX remote.
STEP ONE: Please Make Sure to set the Numbers & Check the boxes the way you see it here. Under 'Channel' column the numbers should read '4,2,1,3, 4,2,1,3,' TOP going DOWN and all the Boxes under the 'Inv' column should be Checked.
STEP TWO: Now click on the 'Calibrate' button. The 'Next' button will come up"