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Aircraft
©
2016 DJI. All Rights Reserved.
11
Aircraft
Flight Controller
The Phantom 4’s ight controller features several important upgrades, including a new ight mode. Safety
modes include Failsafe and Return-to-Home. These features ensure the safe return of your aircraft if the
control signal is lost. The ight controller can also save critical ight data from each ight to the on-board
storage device. The new ight controller also provides increased stability and a new air braking feature.
Flight Mode
Three ight modes are available. The details of each ight mode are found below:
P-mode (Positioning)
：
P-mode works best when the GPS signal is strong. The aircraft utilizes the GPS
and Obstacle Sensing System to automatically stabilize itself, navigate between
obstacles or track a moving object. Advanced features such as TapFly and
ActiveTrack are enabled in this mode.
S-mode (Sport)
：
The handling gain values of the aircraft are adjusted in order to enhance
the maneuverability of the aircraft in S-mode. The maximum ight speed of
the aircraft is increased to 20 m /s in this mode. Note that Obstacle Sensing
system is disabled in this mode.
A-mode (Attitude)
：
When neither the GPS nor the Obstacle Sensing System is available, the aircraft
will only use its barometer for positioning to control the altitude.
The Obstacle Sensing System is disabled in S-mode (Sport), which means the aircraft will
not be able to automatically avoid obstacles in its ight path. Be vigilant and stay clear of
nearby obstacles.
The aircraft’s maximum speed and braking distance are significantly increased in S-mode
(Sport). A minimum braking distance of 164 feet (50 meters) is required in windless conditions.
The aircraft’s responsiveness is signicantly increased in S-mode (Sport), which means a small
stick movement on the remote controller will translate into a large travel distance of the aircraft.
Be vigilant and maintain adequate maneuvering space during ight.
The aircraft’s descent speed is signicantly increased in S-mode (Sport). A minimum braking
distance of 50 meters is required in windless conditions.
Use the Flight Controller mode switch to change the ight mode of the aircraft, refer to the “Flight
Mode Switch” on Page 33 for more information.
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