P4 Multispectral User Manual
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2019 DJI All Rights Reserved.
39
Remote Controller Status LED
The Status LED reects the strength of the connection between the remote controller and the
aircraft. The RTH LED indicates the RTH status of the aircraft. The table below contains more
information about these indicators.
RTH LED
Status LED
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.
Slow Blinking
Red
D-D-D
......
Remote controller error.
/
Red and Green/ Red and
Yellow Alternate Blinks
None HD downlink is disrupted.
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 Controller Status Indicator will blink red and sound an alert, when the battery level is
critically low.
Linking the Remote Controller
The remote controller should already be linked to the aircraft out of the box. Linking is only
required when using a new remote controller for the rst time.
1. Power on the remote controller, connect the mobile device, and open DJI GS Pro.
2. Power on the aircraft.
3. In Mission Page, tap , and then tap Start Linking to the right of the Remote Controller Link
section.
4. The Status LED blinks blue and the remote controller sounds double beep repeatedly,
indicating that the remote controller is ready for linking.
5. Press the link button on the aircraft. Then release and wait for a few seconds. The status LED
will glow solid green if linking is successful.