dji MATRICE 4 Series - RTH Procedure

Loss of remote controller signal
When the remote controller signal is lost, the aircraft will automatically initiate Failsafe
RTH if the Signal Lost Action is set to RTH.
When the lighting and environment conditions are suitable for the vision system, DJI Pilot
2 will display the RTH path that was generated by the aircraft before the signal was lost.
The aircraft will start RTH using Advanced RTH according to the RTH settings. The aircraft
will remain in RTH even if the remote controller signal is restored. DJI Pilot 2 will update
the RTH path accordingly.
When the lighting and environment conditions are unsuitable for the vision system, the
aircraft will brake and hover, then enter Original Route RTH.
• If the RTH distance (the horizontal distance between the aircraft and the Home Point)
is farther than 50 m, the aircraft adjusts its orientation and ies backward for 50 m on
its original ight route before entering Preset RTH.
• If the RTH distance is farther than 5 m but less than 50 m, the aircraft adjusts
its orientation and ies straight horizontally back to the home point at the current
altitude.
• The aircraft lands immediately if the RTH distance is less than 5 m.
RTH Procedure
After Advanced RTH is triggered, the aircraft brakes and hovers in place.
• When the environment or lighting conditions are suitable for the vision system:
◆
The aircraft will adjust its orientation to the Home Point, plan the best path
according to the RTH settings and then return to the Home Point if GNSS was
available when takeo.
◆
If GNSS was unavailable and only the vision system was working when takeo, the
aircraft will adjust its orientation to the Home Point, plan the best path according
to the RTH settings and then return to the position with strong GNSS signal based
on the RTH settings. It will approximately follow the outbound trajectory back to
the vicinity of the home point. At this time, pay attention to the app prompts
and choose whether to let the aircraft automatically RTH and land or to manually
control the RTH and landing.
Pay attention if GNSS was unavailable when takeo:
◇
Make sure that the obstacle avoidance is enabled.
◇
DO NOT y in narrow spaces and the environmental wind speed should be
less than 3 m/s.
◇
Fly to the open area and stay at least 10 meters away from any obstacles
quickly after takeo, otherwise, the aircraft may not be able to return to
DJI Matrice 4 Series User Manual
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