User manual
35SPEKTRUM DX20 • TRANSMITTER INSTRUCTION MANUAL
EN
FUNCTION LIST
The Speed menu enables you to slow the response time on any
individualchannel(suchasretracts).
The Speed is adjustable in the following ranges:
• Nor(NoDelay)–0.9sin0.1secondincrements
• 1s–2sin0.2-secondincrements
• 2s–8sin1-secondincrements
To adjust the Speed:
1. Scroll to the channel you wish to adjust and press the scroll
wheel.
2. Scroll left or right to adjust the speed and press the scroll
wheel to save the selection.
Balance is available on all channels to fine-tune the servo position
atupto7points.Thisisaprecisioncurvemixthatisnormally
used to prevent binding when multiple servos are used on a single
control surface.
You can also use the Balance menu option to match throttle
response on twin engine aircraft or level the swashplate on a
helicopter.
Speed
Balance
Absolute (Abs.) Travel
The Abs. Travel function limits the amount of travel on a channel.
Adjust the Abs. Travel value to prevent a servo from binding when
amixisapplied.
Use the Reverse menu to reverse the channel direction. For
example,iftheelevatorservomovesupanditshouldmovedown.
To reverse a channel direction:
1. Scroll to Travel and press the scroll wheel. Scroll left until
Reverse appears and press the scroll wheel again to save the
selection.
2. Scroll to the channel you wish to reverse and press the scroll
wheel.
If you reverse the Throttle channel, a confirmation screen appears.
Select YES to reverse the channel. A second screen appears,
reminding you to bind your transmitter and receiver.
CAUTION: Always rebind the transmitter and receiver
after reversing the Throttle channel. Failure to do so will
result in the throttle moving to full throttle if failsafe activates.
Always perform a control test after making adjustments to confirm
the model responds properly.
CAUTION: After adjusting servos, always rebind the
transmitter and receiver to set the failsafe position.
Reverse