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Return-to-Home and Dynamic Home Point
Return-to-Home
Return-to-Home (RTH) refers to the process in which the aircraft automatically returns to the last recorded Home
Point. WIND-4 comes with three RTH modes: Smart RTH, Low Battery RTH and Failsafe RTH.
When the GPS signal is strong (i.e. the green GPS icon is
followed by at least two green bars ) during takeoff,
the location where the aircraft takes off will be recorded
as the Home Point. The Aircraft Status Indicator will flash
quickly when the Home Point has been recorded. You can
update the Home Point via the DJI GO app.
Smart RTH
To initiate Smart RTH, use the RTH button on the remote controller or tap the RTH icon in the DJI GO app and
follow the on-screen instructions when GPS is available. The aircraft then will automatically return to the last
recorded Home Point. Use the remote controller to control the aircraft’s orientation to avoid obstacles. Press and
hold the Smart RTH button once to start Smart RTH, and press the Smart RTH button again to terminate Smart
RTH and regain full control of the aircraft.
Low Battery RTH
Low Battery RTH will be triggered when the DJI Intelligent Flight Battery’s charge drops to a point that may affect
the safe return of the aircraft. You are advised to fly your aircraft to the Home Point or land it immediately when
prompted to do so. A warning will be shown in the DJI GO app when a low battery warning is triggered. The
aircraft will automatically return to the Home Point if no action is taken after a ten-second countdown. You can
cancel the RTH procedure by pressing the RTH button on the remote controller. The thresholds for these warnings
are automatically determined based on the aircraft’s current height and distance from the Home Point.
The aircraft will land automatically if the current battery charge can only allow the aircraft to descend from its
current height. You can still use the remote controller to alter the aircraft’s orientation during landing.
The Battery Level Indicator that will be displayed in the DJI GO app is shown below:
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