How does the DJI Mavic 4 Pro's landing system work and what precautions should be taken?

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How does the DJI Mavic 4 Pro's landing system work and what precautions should be taken: The DJI Mavic 4 Pro features an advanced landing system assisted by downward vision and ultrasound sensors, which work in conjunction with GPS to ensure a precise and safe descent. This system is automatically activated during the Return to Home (RTH) process or when initiating a manual landing maneuver. When the drone detects the landing point, it assesses the ground conditions and adjusts its speed and trajectory to achieve a stable descent, even on slightly uneven surfaces.

One of the standout features of this system is its ability to perform precision landings. This is made possible by recording the exact takeoff point and using visual algorithms that compare the landing environment with images captured during takeoff. For this system to function properly, it is essential that the terrain have well-defined visual patterns and good lighting. Terrain such as snowy fields, water surfaces, or areas of deep shadow can hinder this function, so it is recommended to avoid them or proceed with a supervised manual landing.

During descent, if the system detects that the terrain is unsuitable for landing, the drone will hover and display an alert on the controller screen requesting manual confirmation from the pilot. At this point, the operator can cancel the landing, search for another landing spot, or confirm they wish to continue. This safety measure is essential to avoid accidents with people, vehicles, or fragile objects that may be near the initial landing spot.

To improve landing accuracy and safety, it is advisable to always take off and land from flat, well-marked launch pads, especially in environments with vegetation, gravel, or unstable surfaces. The use of portable landing pads also helps reduce the ingress of dust or particles into the drone's motors and sensors. With these practices, the user ensures that the Mavic 4 Pro maintains its reliability and durability throughout all missions.