Failsafe laut Anleitung:
The failsafe will return the servos/throttle to a certain
position if contact is lost with the ATX300. To set the failsafe,
check the transmitter and receiver are switched on then
press and hold the third channel button for 2 seconds. The
status LED on the transmitter will blink.
Move the steering and/or throttle to the desired failsafe
postion and hold; press the third channel button to set. Test
the operation of the failsafe by switching off the transmitter
and check if the servos move to the set position.