EN
UMX P-51D Voodoo BNF Basic
8
1. Advance the throttle above 25%
to activate the AS3X system.
2. Fully lower the throttle and
enable throttle cut.
3. Move the entire aircraft as
shown and ensure the control
surfaces move in the direction
indicated in the graphic. If the
control surfaces do not respond
as shown, do not fly the aircraft.
Refer to the receiver manual for
more information.
Once the AS3X system is active,
control surfaces may move rapidly.
This is normal. AS3X is active until
the battery is disconnected.
AS3X Control Response Tests
This test ensures that the AS3X
®
control system is functioning properly.
Before the first flights, or in the event of an accident,
make sure the flight control surfaces are centered.
Adjust the linkages mechanically if the control surfaces
are not centered. Use of the transmitter sub-trims may not
correctly center the aircraft control surfaces due to the
mechanical limits of linear servos.
1. Make sure the control surfaces are neutral when
the transmitter controls and trims are centered. The
transmitter sub-trim must always be set to zero.
2. When needed, use a pair of pliers to carefully bend the
metal linkage (see illustration).
3. Make the U-shape narrower to make the linkage
shorter. Make the U-shape wider to make the linkage
longer.
Centering Controls After First Flights
For best performance with AS3X, it is important that
excessive trim is not used.
If the aircraft requires exces-
sive transmitter trim (4 or more clicks of trim per channel),
return the transmitter trim to zero and adjust the linkages
mechanically so that the control surfaces are in the flight
trimmed position.
Control Centering