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Phantom 4 RTK User Manual
RTH Button
Press and hold the RTH button to start the Return to Home (RTH) procedure. The LED ring around the RTH Button
will blink white to indicate that the aircraft is entering RTH mode. The aircraft will then return to the last recorded
Home Point. Press this button again to cancel the RTH procedure and regain control of the aircraft.
Optimal Transmission Range
The transmission signal between the aircraft and the remote controller is most reliable within the area that
depicted below:
Ensure that the aircraft is ying within the optimal transmission zone. To achieve the best transmission per-
formance, maintain the appropriate relationship between the operator and the aircraft.
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
Optimal Transmission RangeStrong Weak