5
SPEKTRUM DX3 USER GUIDE
EN
TRANSMITTER PROGRAMMING
End Point Adjustment Mode
The default end point value is 100% for both steering and
throttle/brake. The maximum end point value is 150% with
adjustment.
To adjust the endpoints of the steering and throttle/brake:
1. Power the transmitter on while holding the steering
wheel full right and holding the trigger at full brake. The
power LED flashes blue to indicate the transmitter is in
end point adjustment mode.
Steering:
2. Turn and hold the steering wheel full left. Turn the
steering rate knob to set desired end point.
3. Release the steering wheel and reset the steering rate
knob to full.
4. Turn and hold the steering wheel full right and turn
steering rate knob to set desired end point.
5. Release the steering wheel.
If you are adjusting the throttle/brake end points, continue to
the next section. If you are not adjusting the throttle/brake
end points, power off the radio now to save the settings. Set
the rate and brake rate knobs back to the desired positions
before operating the vehicle.
Throttle/Brake:
6. Set the throttle limit (TH LIMIT) switch to 100.
7. Hold the trigger at full throttle.
8. Turn the brake rate knob to set desired end point.
9. Release trigger and reset brake rate knob to full.
10. Hold the trigger at full brake.
11. Turn the brake rate knob to set the desired end point.
12. Release the trigger.
13. Power off to finish.
14. Set the steering rate and brake rate knobs back to the
desired positions before operating vehicle.
CH3 programming, Aux Point Mode
Channel 3 has two modes available, 3-position momentary
(press and release) mode and 5-position latching (press and
hold position) modes.
To select between the modes, power on the transmitter while
holding the bind button, the steering wheel full right and the
trigger at full brake.
The power LED flashes purple to show AUX channel
programming mode is active.
A number of tones sound to indicate the current mode:
• 3 tones for 3-position momentary mode.
• 5 tones for 5-position latching mode.
3-position momentary mode
1. Press the
B
button. Three audible tones indicate
3-position momentary mode is active.
2. Set the middle point position with the
A
and
B
buttons
and save it by pressing the bind button. The center two
LEDs of the SMART battery level indicator illuminate to
indicate the center point is saved.
3. Set the high point position (button
A
) by turning the
steering rate knob. If only two positions are needed,
power off the transmitter. Otherwise, press the bind
button to proceed to set the low position. The top LED
illuminates to indicate the point is saved.
4. Set the low point position by turning the steering rate
knob. Press the bind button to save the position. The
transmitter powers off, indicating the programming
process is complete.
Start the process over at any time prior to saving the low
point position by pressing either the
A
or
B
button.
Remember to return steering rate knob to the desired
position when the programming process is complete.
5-position latching mode
1. Press the
A
button. Five audible tones indicate 5-position
latching mode is active. The bottom LED illuminates.
2. Set point position 1 (start position) by turning the steering
rate knob. Press the bind button to save the position and
move to position 2. The bottom two LEDs illuminate.
3. Set point position 2 by turning the steering rate knob.
Power off the transmitter if only 2 positions are required,
or press the bind button to save the position and move to
position 3. The middle two LEDs illuminate.
4. Set point position 3 by turning the steering rate knob.
Power off the transmitter if only 3 positions are required,
or press the bind button to save the position and move to
position 4. The top two LEDs illuminate.
5. Set point position 4 by turning the steering rate knob.
Power off the transmitter if only 4 positions are required,
or press the bind button to save the position and move to
position 5. The top LED illuminates.
6. Set point position 5 by turning the steering rate knob. Press
the bind button to save the position. The transmitter powers
off, indicating the programming process is complete
Start the process over at any time prior to saving the low
point position by pressing either the
A
or
B
button.
Remember to return steering rate knob to the desired
position when the programming process is complete.
During normal operation, use the
A
and
B
buttons to scroll
through the channel positions.
• Pressing
A
moves up through the positions.
• Pressing
B
moves down through the positions.
The transmitter stores the last position when powered off.
Adjusting the LED Brightness
The transmitter LEDs have four possible brightness levels.
To change the brightness level:
1. Press and hold the power button to power the transmitter on.
2. While holding the power button, press the
A
button to
increase the brightness, or press the
B
button to decrease
the brightness. The SMART battery level LEDs show the
current brightness level.
3. Release the power button to save the brightness level and
activate RF.
The LED brightness will be stored when the transmitter is
powered off.
Factory Reset Mode
Resetting the transmitter to factory settings resets the AUX
channel mode, the AUX channel point positions and the
endpoints of the steering wheel and trigger.
To reset the transmitter to the factory settings, power on the
transmitter while holding the steering wheel to full left and
the trigger to full brake.
