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XF421EX MANUAL • CHAPTER 1: Transmitter Controls
1. THRO Throttle Channel
2. AILE Aileron Channel
3. ELEV Elevator Channel
4. RUDDRudder Channel
5. GEAR Gear Channel
Transmitter Throttle ALT
The throttle ALT function makes the throttle stick
trim active only when the throttle stick is less than
half throttle. This gives easy, accurate idle
adjustments without affecting the high throttle
position.
RECEIVER CHANNEL ASSIGNMENT/TRANSMITTER THROTTLE ALT1.2