R3C Radio Guide
Steering Dual Rate
Mode Switching
Calibration
ST.D/R+ and ST.D/R- are used for the CH1 steering servo travel adjustment, which can be multiplexed as CH2
(throttle), CH3, and CH4 servo travel adjustment, refer to “Mode Switching” for multiplex switching mode;
Adjustment Range: 0-120%(the default is 100%), and the step is 5%.
ST.D/R+: Increases servo travel.
ST.D/R-: Decreases servo travel.
LED status:
• When using the D/R keys, the G.LED will flash slowly on short presses and quickly on long presses.
• When the travel adjustment value is at its end points (maximum/minimum values of 0/120%), the G.LED will not
flash at all.
Refer to PG.3 of this manual for more information.
This function is for reusing ST.TRIM(including ST.TRIM+ and ST.TRIM-) and ST.D/R (including ST.D/R+ and
ST.D/R-) adjustment buttons for different channels. Refer to [Steering Trims] and [Steering Dual Rates.
Setup: While the receiver is ON, quickly press the BIND button twice (within 1 second) to cycle through
modes 1, 2, 3, and 4. The default setting when powering on is mode 1.
Mode 1: The G.LED flashes slowly once. The ST.TRIM is used for CH1 trim adjustments and the ST.D/R is used
for CH1 end point adjustments.
Mode 2: The G.LED flashes twice slowly. The ST.TRIM is used for CH1 trim adjustments and the ST.D/R is used
for CH2 end point adjustments.
Mode 3: The G.LED flashes three times slowly. The ST.TRIM is used for CH3 trim adjustments and the ST.D/R
is used for CH3 end point adjustments.
Mode 4: The G.LED flashes slowly four times. The ST.TRIM is used for CH4 trim adjustments and the ST.D/R
is used for CH4 end point adjustments.
Use this function to correct for the mechanical deviation of the throttle trigger and steering wheel, for
example, deviation occurred in the self-centering or maximum minimum travel, the steps are as following:
1. Turn and hold the steering wheel clockwise to its maximum travel and push the throttle trigger forward as
far as possible, and at the same time turn on the transmitter. This puts the transmitter into calibration
mode. The R.LED and G.LED will both repeat the sequence of “flashing twice-off-flashing twice”.
2. Steering Wheel Calibration: Turn the steering wheel to its maximum left and right position, back and forth.
When calibration is completed, the R.LED will be off.
3. Throttle Trigger Calibration: Push/pull the throttle trigger to forward/backward as far as it will go. When
calibration is completed, the G.LED will be off.
4. Once calibration is complete, press the BIND button to save and exit. The G.LED will be lit solid.
Failsafe
The failsafe function is used to protect the model and surrounding people when the connection fails between
the receiver and transmitter. The failsafe is activated when the transmitter is turned off, the transmitter batteries
die, or if there is interference. By default, CH2 is the only channel with a failsafe setting. The other channels are
not set.
• The failsafe for CH2 is enabled by default and the ESC will enter the braking state when the failsafe is activated.
• For the other channels, the interfaces will maintain the last output when the failsafe is activated.
Setting the failsafe:
1. With the transmitter and ESC both turned ON, hold the control corresponding to the channel at the desired
failsafe position.
2. Then press and hold the BIND button for 3 seconds. The G.LED will flash for 2 seconds, indicating that the
failsafe setting was saved successfully.
TM
8
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