15
3.
Failsafe
（
1
）
Failsafe of 433 receiver
All accessories should be turned on and flight mode should be turned to Return Home Mode. Then the
button of 433 receiver should be long pressed till the flash light fast flashes. At this time, if the 433
transmitter is powered off, the airplane will automatically switch to Return Home Mode.
（
2
）
Lost-control protection of radio
Please refer to specific instruction of your radio. The primary requirement is that the airplane should be in
Return Home Mode upon the radio is powered off whatever the brand is. (The values of CH5, CH6 will be
changed by radio. Upon powering off the radio, the autopilot will automatically turn the mode to Return
Home Mode due to the change of values of CH5 and CH6 input into the receiver.)
（
3
）
Test:
1.
The default mode should be Balance Mode. Upon powering off the radio, the mode should
automatically turn to be Return Home Mode as displayed in OSD. If this process cannot done
within 5 seconds, it may be caused by failure of lost-control protection. Both radio and
transmitter need to be reset.
2.
The default mode should be Balance Mode. Upon powering off the radio, the mode should
automatically turn to be Return Home Mode as displayed in OSD. If this process cannot be done
within 5 seconds, aforesaid step needs to be done again.
Reminds before and after the airplane takes off
Before the airplane takes off
All preparations have almost been completed, the next step is to fly the airplane in exterior place.
Please keep in mind:
1.
The airplane should fly in area where is not populated and away from buildings and airport, railways and
sensitive regions. Those places are not recommended.
2.
Please wait the airplane to search for satellites after it is powered on it. The duration will vary from place
to place. The maximum duration will not exceed 10 minutes.
3.
Please calibrate the airplane after searching satellites.
Steps:
