Failsafe rth – DJI Mavic 3 Pro Drone with Fly More Combo & RC User Manual

Page 48

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DJI Mavic 3

Pro User Manual

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Failsafe RTH

The action of the aircraft when the remote controller signal is lost can be set to RTH, land,or
hover in Setting > Safety > Advanced Safety Settings in DJI Fly. If the Home Point was successfully
recorded and the compass is functioning normally, Failsafe RTH automatically activates after
the remote controller signal is lost for more than six seconds.
When the lighting is sufficient and the vision systems are working normally, DJI Fly will display
the RTH path that was generated by the aircraft before the remote controller signal was lost
using Advanced RTH according to the RTH settings. The aircraft will remain in RTH even if the
remote controller signal is restored. DJI Fly will update the RTH path accordingly.
When the lighting is not sufficient and the vision systems are not available, the aircraft will enter
Original Route RTH.
Original Route RTH Procedure:
1. The aircraft brakes and hover in place.
2. a. If the aircraft is farther than 50 m from the Home Point, the aircraft adjusts its orientation

and flies backward for 50 m on its original flight route before entering Straight Line RTH.

b. If the aircraft is farther than 5 m but less than 50 m from the Home Point, it enters

Straight Line RTH.

c. The aircraft lands immediately if it is less than 5 m from the Home Point when RTH

begins.

3. The aircraft lands and the motors stop after reaching the Home Point.

The aircraft will enter or remain in Straight Line RTH if the remote controller signal is restored
during RTH.

• If the RTH is triggered through DJI Fly and the aircraft is farther than 5 m from the Home

Point, a prompt will appear in the app to select a landing option.

• The aircraft may not be able to return to the Home Point normally if the GNSS signal

is weak or unavailable. The aircraft may enter ATTI mode if the GNSS signal becomes
weak or unavailable after entering Failsafe RTH. The aircraft will hover in place for a
while before landing.

• It is important to set a suitable RTH altitude before each flight. Launch DJI Fly and set

the RTH altitude. The default RTH altitude is 100 m.

• The aircraft cannot sense obstacles during Failsafe RTH if the vision systems are

unavailable.

• GEO zones may affect the RTH. Avoid flying near GEO zones.
• The aircraft may not be able to return to the Home Point when the wind speed is too

high. Fly with caution.

• Be aware of small or fine objects (such as tree branches or power lines) or transparent

objects (such as water or glass) during RTH. Exit RTH and control the aircraft manually
in an emergency.

• RTH may not be available in some environments even if the vision systems are working.

The aircraft will exit RTH in such cases.

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