Remote Controller
Phantom 3 4K
User Manual
28
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2016 DJI. All Rights Reserved.
Optimal Transmission Range
The transmission signal between the aircraft and the remote controller is most reliable within the area that
is depicted in the image below:
Optimal Transmission Range
Ensure that the aircraft is flying within the optimal transmission zone. To achieve the best transmission
performance, maintain the appropriate relationship between the operator and the aircraft.
Remote Controller Status LED
The Status LED reflects the strength of the connection between the remote controller and the aircraft. The
RTH LED indicates the Return-to-Home status of the aircraft. The table below contains more information
about these indicators.
RTH LED
Status LED
strong
weak
Status LED
Alarm
Remote Controller Status
— Solid Red
Chime
The remote controller is disconnected from the aircraft.
— Solid Green
Chime
The remote controller is connected to the aircraft.
Blinks Red slowly
D-D-D......
Remote controller error.
/
Blinks Red and
Green alternately
D-DD
Resetting Wi-Fi video downlink.
RTH LED
Sound
Remote Controller Status
— Solid White
Chime
Aircraft is returning home.
Blinking White
D . . .
Sending Return-to-Home command to the aircraft.
Blinking White
DD .. .. ..
Return-to-Home procedure in progress.
The Remote Status Indicator will blink red and sound an alert, when the battery level is critically low.