• 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 is 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 Optimal or Preset. 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
home. During ight, avoid ying over water surfaces until reaching an area
with strong GNSS signal. The altitude above the ground should be greater
than 2 meters and less than 30 meters, otherwise, the aircraft may not be able
to return to the home point. If the aircraft enters ATTI mode before reaching
the area with strong GNSS signal, the home point will be invalidated.
◇
If the vision positioning is not available during ight, the aircraft cannot return
to the home point. Pay attention to the environment according to the App
voice prompts to prevent collisions.
◇
When the aircraft returns to the vicinity of the takeo point and the App
prompts when the current environment is complex, please conrm whether to
continue ying:
»
You need to conrm whether the ight path is correct and pay attention to
ight safety.
DJI Air 3S User Manual
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