The mixing function of the HT-5A remote control.
The 1-channel/2-channel mixed control mode allows channel 1 and channel 2 to control two servos at the same time to control the aircraft.
left/right/up/down function.
The 1-channel/3-channel mixed control mode allows channel 1 and channel 3 to control two motors at the same time to control the aircraft.
Throttle addition and subtraction, left and right direction functions.