User's Manual Part 2

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START TO FLY
9 LOSE CONTROL PROTECTION FUNCTION
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9.2 EXIT THE RTH MODE
DEPARTURE POINT: When the X4 Pro enters into safe flight state with 5 or more GPS
satellites, the X4 Pro will record the position as departure point.
When the X4 Pro loses the signal of the transmitter (lost control), the flight control system will
control the X4 Pro to land or return to the departure home position(RTH) and land automatically.
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9.1 THE CONDITIONS WHICH TRIGGER THE LOST CONTROL
PROTECTION MODE
(1) The transmitter is powered off.
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(3) There are obstacles between the X4 Pro and the transmitter.
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To ensure that the X4 Pro can return to the departure point successfully after loss of
control signal, only begin flying after it enters into the safe flight state with 5 or more
GPS satellites.
During the process of lost control signal and returning to home, if the quantity of GPS
satellites is less than 6 and lasts for 20 seconds, the X4 Pro will automatically land.
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