User manual

Remote Controller
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2017 DJI All Rights Reserved.
27
Phantom 3 SE User Manual
Optimal Transmission Range
Battery Level Indicator
The gure below illustrates the four battery levels that are displayed by the Battery Level Indicator on the
remote controller's front panel.
Battery Level Indicator
25
％
50
％
75
％
100
％
Always ensure the remote controller has an adequate battery level before each ight. If the
battery level is critically low, the remote controller will sound an alert and its Status LED will
blink red for 3 seconds before automatically powering off. If the remote controller powers
off during ight, the aircraft will enter Failsafe RTH.
Remote Controller Status LED Description
Status LED Sound Remote Controller Status
— Solid green None Functioning normally and fully charged.
— Solid red None
Charging (remote controller is powered off).
Remote controller is not connected to the aircraft.
— Solid yellow
None
Control stick calibration error. Battery fully charged but
remote controller is not connected to the aircraft.
Blinks red slowly BB---BB---BB Low battery level. Recharge the remote controller.
Blinks red quickly B-B-B...
Critically low battery level, the remote controller will
automatically power off after 3 seconds / The remote
controller is switched on with the control stick not in the
neutral position.
Blinks green slowly B--B--B...
Inactivity for over 6 minutes. Switch off the remote
controller if it is not in use.
Do not obstruct the built-in antenna.