About The Radio System; Programming The End-Points - Hobbytech CRX Manuel D'instructions

ABOUT THE RADIO SYSTEM

Reversing
Reversing is used to change the response direction of steering
wheel and throttle trigger.
KT3S+ Transmitter features 2 reversing functions: Steering Reverse
and Throttle Reverse.
Steering Reverse: Reverse the response direction when operating
steering wheel.
Turning left steering wheel, the model turns right while turning
right the model turns left.
Throttle Reverse: Reverse the response direction when operating
throttle trigger.
Pushing forward throttle trigger the model moves backward while
pulling back, the model moves forward.
Adjustable Steering Rate (ATV)
Adjustable Steering Rate enables to adjust the same maximum steering angle of servo on both sides (Left and Right) when
model makes steering. The Adjustable Steering Rate affects the sensitivity of servo. Reducing dual rate value can lower the
sensitivity of servo and reduce the same maximum steering angle on both sides. Remember to adjust the dual rate value within
the adjustment range: rotate clockwise = increase maximum steering angle; rotate counterclockwise = reduce maximum
steering angle.
The minimum adjustment of ATV (counterclockwise to the max) makes a zero steering angle.

PROGRAMMING THE END-POINTS

In order to avoid mechanical strain when steering to the maximum and/or accelerating and braking (nitro), an EPA function
(End Point Adjusment) can be digitally set. However ATV function can be used for steering end points, but on the left & right
together.
If you really want to use EPA function, please read the following instructions carefully:
1. Steering servo
a) Transmitter and receiver powered on (green LED on), turn the steering wheel to the maximum (on the side you want to set),
then hold down for 2 seconds the «BIND/EPA» button: LED turns solid red.
b) As long as LED is red, you can set the exact maximum turning angle of the wheels on the side you choose.
Once the angle is chosen, hold down again for 2 seconds the «BIND/EPA» button. LED flashes twice (light green/dark green)
then turns solid green.
IMPORTANT: Switch OFF and ON the transmitter to confirm the adjustment.
c) To reset the default value, follow a) step, then b) step, hold the steering wheel to the maximum and hold down for 2 seconds
the «BIND/EPA» button. LED flashes twice (light green/dark green) then turns solid green. IMPORTANT: Switch OFF and ON the
transmitter to confirm the adjustment.
To set the opposite side, follow a) and b) steps in the opposite side.
It is very important to perform these operations one by one.
2. Throttle servo (EPA is recommended only for nitro vehicles)
a) Transmitter and receiver powered on (green LED on), hold the throttle at forward-most position, then hold down for 2
seconds the «BIND/EPA» button: LED turns solid red.
b) As long as LED is red, you can set the exact your max throttle end-point.
Once the end-point is chosen, hold down again for 2 seconds the «BIND/EPA» button. LED flashes twice (light green/dark
green) then turns solid green.
IMPORTANT: Switch OFF and ON the transmitter to confirm the adjustment.
c) To reset the default value, follow a) step, then in b) step, hold the throttle at forward-most position, then hold down for 2
seconds the «BIND/EPA». LED flashes twice (light green/dark green) then turns solid green.
IMPORTANT: Switch OFF and ON the transmitter to confirm the adjustment.
To set the brake, follow a) step, then b) step braking to the maximum. You can now set your maximum brake end-point.
It is very important to perform these operations one by one.
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Throttle Trim Dial:
Adjust neutral position of throttle servo. Make sure the model
stays still when releasing the throttle trigger.
Trimming
KT3S+ features two trimming
functions:
Steering Trim and Throttle Trim.
Steering Trim Dial: Adjust the
neutral position of steering servo
when the wheels are straight
ahead.
Normally steering trim is adjusted
until the model can keep straight
tracks.
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