Flyzone FLZA3014 - Manual (Page 18)

18
Failsafe Function
The included TR624 receiver has a failsafe feature which engages in the event that the radio signal from the transmitter
somehow becomes interrupted. If radio contact is broken, this safety feature causes the servos to automatically move either
to a certain position, or hold their last position to prevent the model from moving in an erratic manner. Channels 1, 2, 4, 5,
and 6 will enter a “hold” mode, whereby the servos will lock in their last recognized position.
The servo connected to channel 3, normally being the throttle control, will move to a pre-set position. The factory default
failsafe position for channel 3 is to move to 0% throttle. Motor/prop movement should stop if the receiver loses signal from
the transmitter. The throttle servo’s failsafe position can be manually re-set to any other position if desired, as follows:
IMPORTANT NOTE: Before manually resetting the failsafe, make sure the servo reversing switches are in the correct
position for the application.
1. Apply power to the Tx and Rx.
2a. If using an ESC, do NOT arm the ESC. Do NOT attempt to adjust the throttle’s failsafe position if the ESC is armed.
2b. If using a gas or glow powered engine, do NOT attempt to adjust the throttle’s failsafe position while the engine is
operating.
3. Move the Tx throttle stick to the desired position for the throttle control to move if the Rx goes to failsafe.
4. Press and hold the “Bind” button on the receiver, and the Rx’s LED should blink twice. Release the Bind button, and
the receiver’s LED should turn on (stop fl ashing). The Tx and Rx should now be bound, with the throttle failsafe in
the new position as set above.
NOTE: If you’re using an ESC which has a signal loss feature, the pre-set failsafe position is irrelevant as the signal loss
feature will cease the throttle operation if the signal is lost.
System Check and Operation
WARNING! During all pre-fl ight preparations with the aircraft on the ground, make sure the throttle stick remains at the
minimum position and do not stand the Tx upright on the ground. Carefully lay the Tx on its back on the ground to prevent
it from falling over and possibly dislodging the throttle stick from the low position which would create a safety hazard. Make
sure all devices are properly mounted inside the model, and all wiring connections are solid to prevent them from easily
becoming dislodged during normal fl ight. It’s best to check the system with the propeller removed from the aircraft.
1. Once all connections are made, check the general operation of the radio and all other components before attempting
a fl ight.
2. Move the Tx throttle stick to the minimum (idle) position.
3. Turn on the Tx, and then the Rx.
4. Make sure all controls are operating in the proper direction. If any servo is turning in the wrong direction, change the
position of the reversing switch for that particular channel.
5. With both sticks at center position, move the trim levers for the aileron, elevator, and rudder channels so each respective
control surface is perfectly aligned with the main surface. For example: When the aileron trim lever is in the center
position, it’s best that the trailing edge of the aileron is aligned with the trailing edge of the wing itself (not above or below
the wing’s trailing edge).
6. Make sure that movements of the throttle stick result in an equal adjustment of the throttle in the model. Confi rm
that when the throttle stick is at maximum position the electronic speed control gives the appropriate indications
(LED and/or audible indicators) for full forward fl ight. And, when the throttle stick is at minimum position the electronic
speed control gives the appropriate indications for “off” or no motor rotation.
7. Anytime power is to be removed from the radio system, it’s important to shut down power in the aircraft fi rst.
Otherwise, the aircraft could become out of control and cause a safety hazard! Move the throttle stick and throttle
trim lever to minimum position to stop the glow engine or shut down the ESC. Once the propeller has stopped
rotating, shut off the ON/OFF power switch in the model, and disconnect the power battery from the ESC in electric
airplanes. Then turn off the power switch in the Tx.