14
SPEKTRUM DX3S USER GUIDE
reverse
The Reverse function (also known as servo reversing)
establishes the servo’s direction relative to the channel’s
input (e.g. a right steering input should result in a right
steering angle at the car). Reverse is available on all
three channels and is normally the first function that is
checked and adjusted during programming.
To aCCess The reverse funCTIon
In the List screen use the Rolling Selector to highlight the
Reverse function.
Press the Rolling Selector to access the Reverse function.
The above screen will appear.
Use the Rolling Selector to place the box around the
desired channel that you wish to reverse.
ST=Steering
TH=Throttle
AX=Auxiliary
Press the Rolling Selector and the surrounding box will
flash. Use the Rolling Selector to select the desired servo
direction (REV or NOR).
To return to the Main screen press and hold the Rolling
Selector for more than three seconds.
sub TrIM
The Sub Trim function is normally used to correct minor
angular inaccuracies that occur when placing the servo
horn on the servo. In many cases, the servo horn is
not exactly perpendicular to the servo (or in the exact
optimum desired position). Minor sub trim values can
be used to correct this offset inaccuracy, however, it’s
important to understand that large sub trim values can
limit the total throw of the servo in that direction, so
small sub trim values only are recommended.
To aCCess The sub TrIM funCTIon
In the List screen use the Rolling Selector to highlight the
Sub Trim function.
Press the Rolling Selector to access the Sub Trim
function. The Sub Trim screen shown above will appear.
Use the Rolling Selector to select the desired channel
you wish to reverse.
ST=Steering
TH=Throttle
AX=Auxiliary
Press the Rolling Selector to highlight that channel and
the surrounding box will flash; then rotate the Rolling
Selector to adjust the value and direction of the sub trim.
To return to the main screen press and hold the Rolling
Selector for more than three seconds.
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