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1. Flight Controller

Return-to-Home (RTH)

The Return-to-Home (RTH) function brings the aircraft back to the last recorded Home Point. There are

three types of RTH procedures: Smart RTH, Low Battery RTH, and Failsafe RTH. This section describes

these three scenarios in detail.

GPS

Home Point

Aircraft can sense and avoid obstacles when Obstacle Sensing System is enabled and the

to the Home Point at the new altitude.

Failsafe RTH

If the Home Point was successfully recorded and the compass is functioning normally, Failsafe RTH will

be automatically activated if the remote controller signal is lost for more than three seconds. The Return-

to-Home process may be interrupted and the operator may regain control of the aircraft if the remote

controller signal connection is re-established.

Failsafe Illustration

1 Record Home Point

Blinking Green

4 Signal Lost Lasts (after 3 sec.)

>3S

Fast Blinking Yellow

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

unavailable.

meters (65 feet) radius of the Home Point. Aircraft 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.

The aircraft cannot avoid obstruction during the Failsafe RTH when Obstacle Sensing system is

the DJI GO app and enter "Camera" and select "MODE > Advanced Settings > Failsafe

mode" to set the Failsafe altitude.

User cannot control the aircraft while the aircraft is ascending to its failsafe altitude. However,

user can press RTH button once to exit ascending and regain control.

If a strong GPS signal was acquired before takeoff, the Home Point

is the location from which the aircraft was launched. The GPS signal

strength is indicated by the GPS icon (

indicator will blink rapidly when the home point is recorded.

Blinking Green

5 RTH (adjustable altitude)

Height over HP>20m

Elevate to 20m

20m

Height over HP<=20m

Fast Blinking Yellow

Phantom 4 Pro/Pro+ User Manual

Description

). The aircraft status

3 Remote Controller Signal Lost

Fast Blinking Yellow

6 Landing (after hovering for 5 secs)

Fast Blinking Yellow

] displays grey) or