DJI Phantom 2 Vision Plus User Manual - Manual (Page 28)

Flight
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Low Battery Level Warning Function
Failsafe on the DJI VISION App
The DJI VISION App will provide information during Failsafe.
Figure 53 Figure 54
4.3 Regaining Control During Failsafe Procedures
Position of Switch S1
Position-1 Position-2 Position-3
How to regain control
When the S1 switch is switched to Position-1, toggle
the S1 switch to any other position once to regain
control. If the Remote Control signal is recovered,
control is returned to the pilot.
Regain control as soon as signal is
recovered.
5 Low Battery Level Warning Function
If the DJI smart battery is depleted to a point that may affect the safe return of the aircraft, the low battery level warning
notifies users to take action. Users are advised to land the aircraft immediately when they observe these warnings. The
thresholds for these warnings are automatically determined based on the current aircraft altitude and its distance from
the Home point. Details of the battery level warning are listed below:
Figure 55
Battery level indicator
Critical Low
battery level
warning(Red)
Low battery
level warning(Yellow)
Sufficient battery
level(Green)
Estimated
remaining
flight time
Current
battery level
To ensure the aircraft successful return to home after Failsafe activation, aim to only fly in Ready to Fly mode.
The Phantom will automatically descend during the Failsafe process if there are less than 6 GPS satellites
detected for more than 20 seconds.
Aircraft cannot navigate around vertical obstacles on its return home course during Failsafe. However, you can set
return home altitude value in Phantom Assistant to avoid hitting vertical obstacles through DJI Phantom Assistant.
Quickly flipping the S2 switch of the Remote Control from top to bottom 5 times or more will reset the current
aircraft position as a new home point. Rear LED flight indicators will blink green rapidly when successful.