55SPEKTRUM NX20 • TRANSMITTER INSTRUCTION MANUAL
EN
Ratcheted Throttle – Smooth Throttle Adjustment
Ratchet
1. Locate the throttle strap adjustment screws on both gimbals.
The ratchet set screw engages a serrated section on the
gimbal for a ratcheted throttle, while the tension set screw
engages a strap for smooth tension on the gimbal.
2. To engage the throttle ratchet turn the ratchet set screw
clockwise until the ratchet engages.
3. To disengage the throttle ratchet turn the screw counter
clockwise until the gimbal moves freely.
Smooth Tension
1. To engage the throttle tension, turn the tension set screw
clockwise until the Tension engages.
2. To disengage the throttle Tension turn the screw counter
clockwise until the gimbal moves freely.
Mode Conversion
Centering screw
Centering screw
You can select transmitter modes 1, 2, 3 or 4 for the NX20. Converting
the mode requires both a mechanical and programming change.
Mechanical Conversion
Mechanical conversion is required to change between Modes 1
and 2 or between Modes 3 and 4. The mechanical conversion
consists of the following steps:
1. Change the throttle ratchet/throttle tension; remove the
tension on the side that was throttle, and apply the tension on
the side that will be throttle.
2. Adjust the elevator centering screw. When changing between
modes 1 and 2, or between modes 3 and 4, you must adjust
the elevator centering screw.
a. Hold the elevator or throttle stick in the full up or full down
position when you are adjusting the elevator centering screw.
Holding the gimbal stick reduces the load on the elevator
centering mechanism and makes it easier to adjust the
centering screw.
b. Use a Phillips screwdriver to adjust the elevator centering
screw. Tightening the screw will disengage the centering spring.
Loosening the screw will engage the spring.
IMPORTANT: Do not remove the mode change screws too far
or you will have to open the case to put it back together.
Programming Conversion
1. Enter the System Setup menu, Scroll down and select System
Settings. Scroll down and select the mode you wish to use. Exit
to the mains screen
2. Power the transmitter OFF.
3. Power the transmitter ON, the system will force you to calibrate
the sticks after a mode change
4. Resume normal operation with the selected mode of operation.
Tension
Tension
Ratchet
Ratchet
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