There are the 3 types of DJI’s Return to Home
Low Battery RTH:
As its name suggests, this RTH is triggered when the Intelligent Flight Battery is depleted to the point that it may affect the return of the aircraft. When this happens, a prompt will appear on your screen in the DJI GO/4 app, and the drone will automatically begin to ascend to the set RTH height and return if no action is taken after a 10-second countdown. If the battery power is critically low, then the drone will automatically land itself, and this can’t be canceled by the pilot. This type of RTH is one that is best avoided, just like pilots of airplanes never want to be in a situation where their fuel light starts blinking.
Failsafe RTH:
Failsafe RTH happens when your drone loses signal for 3 seconds when using the remote controller or 20 seconds if using Wi-Fi. When it kicks in it will do one of three things depending on how you have set it up. Firstly, if you have it set to RTH then it will ascend to the set RTH height and start to fly back to you, and once you get the signal back, then you can cancel it. Secondly, if you have it set to Hover then your drone will just hover in its current position, so you can walk towards it and re-establish your signal. However, if you fail to re-establish your signal and the Battery RTH is triggered then the drone will either return home or land depending on your Battery RTH settings. Thirdly, it can be set to land, so it’ll just land in its current position.
Smart RTH
This is a user triggered RTH when you tap the RTH button on your remote or in the app. Once the button has been tapped the drone will start its flight back to its home point. It can be stopped anytime by pressing the Flight Pause Button on the remote controller or by pressing the Stop icon in the app. If you’re flying the Phantom 4 Pro or Advanced, then the drone will retrace its flight path for 30 seconds before it starts to ascend and fly straight back to you. Something worth remembering is that if your drone is less than 20 meters away from you when you press the RTH button then it will land just where it is, however, if the landing zone is hazardous then it will try to find somewhere safe to land or just hover at a low height until the pilot takes control and lands it manually.
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10 сен 2024
