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4.7.2 Loss of Flight Control Failsafe
When the flight control connection between the aircraft and
transmitter is lost, the aircraft will automatically land or return to
where the remote control / transmitter was last located and land
there. This can drastically reduce the possibility of the aircraft
crashing or being lost.
Conditions that may trigger a failsafe:
1) Transmitter is powered off / loses power.
2) The flight distance exceeds the remote control's signal trans-
mission range.
3) There is an obstacle between the remote control and aircraft.
4) The flight control or transmitter signal is interrupted by strong
external electronic interference.
To ensure the successful return of the aircraft if it loses flight control
connection, users must confirm that the aircraft has enough GPS
satellites to fly safely in GPS mode. Users must also be certain that the
flight environment is clear enough for an emergency return and
landing.
If the aircraft's GPS satellites drop below 6 for more than 20 seconds
while the X4 is returning to Home Point, the aircraft will automatically
descend.
F r e q u e n t l y A s k e d Q u e s t i o n s
1. Aircraft and remote control are not pairing
(1) Check if the status of the APP control signal icon changes.
(2) Android phone requires USB settings, please check the "Con-
necting Tutorial for Android Phones"
2. Aircraft can't be searched
(1) Restart the aircraft, remote control and x-hubsan 2 APP.
(2) Update aircraft firmware.
(3) Check if the position of the TF card slot in the fuselage is
steady red. If it flashes that is abnormal.
3.Figure transmission or easy to lose control of the broken
connection
(1) Adjust the antenna Angle on the aircraft,do not block in the
middle.
(2)
Change the flight site, please do not fly in tall buildings, or near
signal tower.
(3) Update the latest firmware of the aircraft.
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