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WARNING! Failure to follow these instructions for separating and re-assembling the Tx case can
result in permanent damage to the transmitter, and void the warranty. Contact Hobby Services if you
do not feel comfortable that you can safely and accurately perform these steps.
ALWAYS disconnect and remove the batteries from the battery compartment FIRST. Failure to do so can
result in permanent damage to the Tx.
Remove the six screws from the back of the Tx case. Carefully pull the case rear away from the case front and
note exactly how all wires are routed inside the case.
After adjustments are made as described in other sections of this manual, close the case by first carefully tucking
all cables back inside as when the case was opened. Align the case rear back onto the case front, making sure that
no wires are pinched between the case parts. Press the case halves together. Insert the screws back into their
positions and carefully tighten them until snug - making sure not to cross the threads or over-tighten the screws.
Re-connect the battery holder's connector to the socket inside the Tx. Insert the battery into the compartment,
and carefully tuck the wires inside the cavity so they do not become pinched when the door is closed. Close the
battery door.
Stick tension: Silver screws on the back of each gimbal are used to adjust the stick tension, as shown in this
picture. Turn the screw clockwise to make stick tension more firm. Turn the screw counter-clockwise to make
stick tension more light.
Throttle ratchet: A silver ratchet bar is mounted across the throttle gimbal. For airplane use, a more firm ratchet
feel might be desired for the throttle. In this case, turn the adjustment screw clockwise. For helicopter use, less of
a ratchet feel might be desired. Turn this adjustment screw counter-clockwise to achieve the desired feel.
DIGITAL STICK TRIMS: The trim controls for the four main channels are digital. Holding the trim lever will cause
the servo output to move repeatedly. Trim positions are visible on the LCD's home screen, and stored into that
respective memory. Changing the model memory will also cause trim settings to change accordingly.
For aircraft with glow engines, the precise position of the trim lever is helpful when determining the engine's
preferred idle point. The throttle trim lever is not active when the main throttle stick is above 50% full throttle.
The amount of servo movement for each increment of a digital trim can be adjusted as desired, as explained in
the TRIM SETTING section on page xx.
TOGGLE SWITCHES: Each switch can be assigned to control one of a variety of functions as desired and
described throughout this manual. See page xx for the location of all switches, which are also marked on the Tx
by letter. The factory default switch assignments are as follows:
Switch
Type
A
2-position
B
2-position
C
3-position
D
2-position
E
3-position
F
2-position, momentary
Default Function – Airplane
CH2 elevator dual-rate
CH5 landing gear
CH6 flaps
CH1 aileron dual-rate
CH4 rudder dual-rate
trainer
Default Function - Helicopters
timer control
gyro gain
(no setting)
aileron, elevator, and rudder
dual-rates (all)
normal / idle-up control
throttle cut
5
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