dji PHANTOM 4 PRO User Manual - Page 17

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1. Flight Controller

Critical Low

The aircraft

battery level

must land

warning

immediately.

Estimated

remaining

based on current

battery level.

When Critical battery level warning is triggered and the aircraft begins to land automatically,

you may push the left stick upward to make the aircraft hover at its current altitude, giving you

an opportunity to navigate to a more appropriate landing location.

The colored zones and markers on the battery level indicator bar reflect the estimated

and status.

Failsafe Safety Notices

The DJI GO app display will

Aircraft status

indicator blinks

start to descend. The remote

RED quickly.

controller will sound an alarm.

N/A

The aircraft cannot avoid obstruction during the Failsafe RTH when the

Obstacle Sensing System is disabled. Therefore, it is important to set

and enter "Camera" and select "MODE > Advanced Settings > Failsafe

mode" to set the Failsafe altitude.

Smart RTH, Lower Battery RTH ) is triggered, the aircraft will first

automatically ascend to 20 meters (65 feet) from the current altitude.

You can only cancel the ascending by exiting the Failsafe. Refer to "RTH

Button" on page 33 for more information on how to exit the Failsafe and

regain the control of the remote controller.

Aircraft automatically descends and lands if RTH is triggered when the

will stop ascending and immediately return to the Home Point if you move

the left stick if the aircraft reaches 20 meters (65 feet) altitudes or beyond

during Failsafe.

Aircraft cannot return to the Home Point when GPS signal is weak

( [

] displays grey) or unavailable.

if you move the left stick after the aircraft rises above 65 feet (20m)

but below the pre-set Failsafe RTH altitude, the aircraft will stop

ascending and immediately return to the Home Point.

Phantom 4 Pro/Pro+ User Manual

Allow the aircraft to

descend and land

automatically.

N/A