3. With the transmitter throttle stick still high, disconnect and reconnect the battery.
4. Press and hold the safety button until it displays solid red.
5. The autopilot is now in ESC calibration mode. You may notice the red and blue LEDs blinking
alternatively on and off like a police car.
6. Wait for your ESCs to emit the musical tone, the regular number of beeps indicating your battery’s cell
count (i.e. 3 for 3S, 4 for 4S) and then an additional two beeps to indicate that the maximum throttle
has been captured.
7. Pull the transmitter’s throttle stick down to its minimum position.