DJI Tony
Administrator
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Hi, sorry to read on this, your spark has three type of RTH, the Smart RTH, Low-battery RTH and Failsafe RTH, for the smart RTH it can be used whenever you need it and it will raise the altitude depending on how high you set your preferred altitude for this RTH, however, it can be only perform when GPS is available and the other one is low battery RTH and this function will trigger when the Intelligent flight battery is depleted to a point that may affect the safe return of the aircraft. I would recommend looking for appropriate location to land the drone and lastly, the Failsafe RTH, if the Home Point was successfully recorded, the GPS signal is strong and the compass is working normally, Failsafe will be automatically activated in any case your aircraft will be disconnected to the RC for a specific amount of time (three seconds when using RC) you may cancel this procedure once you regain the connection. I would suggest flying in an open location please ensure that the firmware is up to date recalibrate the IMU and Compass and ensure that you're getting enough GPS signal before flying your drone 18 or more is recommended. |
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