1. Connect a proper/charged battery pack to the ESC.
2. Turn on the transmitter with the throttle endpoint
adjustments at 100% and all throttle trims centered.
3. Press and hold the red power button on the V-PORT for three seconds (Followed by beep tone, F/N LED on the V- PORT will be indicated as the image at right)
4. Pull full throttle and hold, while holding press the red power
button once. (Followed by beep tone, N/R LED will be indicated
as the image shown at right.)
5. Push full brake and hold, while holding press the red power
button once. (Followed by beep tone, all LED’s will cycle.)
6. Calibration completed!
Straight from the
Viper VTX10 manual, same way I do mine every time.