Captron HeliCommand 3A 3D RIGID Instructions Manual page 23

The HeliCommand now "knows" the signals which correspond to the "neutral and
stationary" command. The calibration can easily be repeated. Recommended each
time the transmitter trims have been moved substantially. Otherwise, leave the trims
alone once the unit has "learned" the settings. Servo positions are not influenced by
the calibration process (only if you make changes to the unit's internal mixer, servo
centre might be affected and need new trim). When using the auto-trim option, the
elevator and aileron trims can remain unchanged all the time.
D) Configuring the HeliCommand
The helicopter's mechanical systems (neutral position of swashplate and tail ro-
tor) must be adjusted at least approximately (fine trim follows afterwards).
The calibration process requires: all servos correctly connected, any swashplate
mixer at the transmitter completely disabled and the stick functions correctly as-
signed by plugging the input cables to the corresponding receiver outputs. If in
doubt, connect one servo directly to receiver in order to insure that each channel
only responds to one stick function and to find the proper channel of each func-
tion. Now simply run through the following steps:
Calling up the set-up mode
Calibrate the transmitter neutral setting (see above „C"), but holding the SET
button pressed in for at least three seconds until the green LED starts flashing. This
simultaneously erases the internal auto-trim values. The servos will now not run, or
will run differently to normal, according to the stage of the set-up procedure.
Settings for each step (1-5)
Setting is carried out using the stick actions described below. A long press on the
SET button (until the LED starts flashing again) stores the settings and automatically
leads you to the next step.
Changing the set-up step
The current step (1 - 5) is indicated by the number of flashes. When you call up
setup mode, step 1 appears first. Press the SET button briefly to move on to the next
step without changing the setting; this also can take you back from step 5 to step 1.
This way you can select and change any parameter any time. However, for the initial
set-up procedure please run through all the steps, as described below.
Closing set-up mode
This is possible at any time simply by switching the system off.
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