Spektrum SPM20200 DX2.0 - Manual (Page 20)

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The Sub-Trim function of the DX2.0 is an electronic trimming feature that allows the neutral
position of the servo on either the steering or throttle channel to be moved, while allowing
the electronic trim lever for that channel to remain in the center position. This feature is very
useful, as it allows the servo arm/wheel position to be moved to help with control linkage
installation, eliminating the need to make mechanical linkage adjustments. Although the
Sub-Trim function is a very useful feature, it is suggested that only small amounts of sub-
trim be used so that no unwanted, non-equal servo travel is created. It is suggested that less
than 30 points of Sub-Trim be used during adjustment. If more than 30 points of Sub-Trim
are required, it is suggested that a mechanical linkage adjustment be performed.
Accessing the Sub-Trim Function
1. Turn on the transmitter power switch.
2. Press the
SCROLL key to enter the Function Mode.
3. Press the SCROLL key until “TRIM” appears in small letters to the left of the screen.
4. Press the CHANNEL key to select the channel to be adjusted
(Steering, Throttle).
5. Press the INCREASE or DECREASE keys until the proper servo position is achieved.
6. Press the SCROLL key to access the Servo Reversing function.
7. To exit the Function Mode, either turn off the transmitter power switch or press the
SCROLL and CHANNEL keys at the same time.
Sub-Trim
(Function Mode)
Values: R/B 125 0 R/F 125
TRIM
stS
–
0
–
Indicates curent channel:
STS = Steering
THS = Throttle
Indicates current value