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DJI Mavic 3E/3T User Manual
79
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2022 DJI All Rights Reserved.
When performing a mapping task while Real-Time Follow is enabled, the aircraft altitude
above ground level (AGL) and the terrain trend (150 m ahead of the aircraft) will be
displayed in the lower right corner of the camera view.
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1. Altitude above Ground Level (AGL): displays the altitude of the aircraft relative to the
ground below.
2. Aircraft velocity direction: displays the velocity vector direction of the aircraft movement.
3. Flight Path: displays the flight path that the aircraft has flown.
4. Terrain Trend Line: displays the terrain trend in the area where the aircraft is currently
located.
5. Altitude Limit: displays the maximum flight altitude of the aircraft.
• The long-distance detection range of the vision system is 80-200 m. When flying beyond
this range, Real-Time Follow cannot be performed. Fly with caution. Real-Time Follow
cannot work in locations that feature cliffs, steep slopes, power lines, and towers.
• The vision system cannot work properly in low-light environments. Real-Time Follow
cannot be used normally in rainy, snowy, and foggy environments.
• The vision system may not work properly over water. Therefore, the aircraft may
not be able to actively detect the distance to the water for real-time follow. It is not
recommended to use real-time follow in large areas of water and ocean waves.
• The vision system cannot work properly over surfaces without clear pattern variations
or where the light is too weak or too strong. The vision system cannot work properly in
the following situations:
a. Flying over monochrome surfaces (e.g., pure black, white, red, or green).
b. Flying over highly reflective surfaces. (e.g., ice, glass).
c. Flying over water or transparent surfaces.
d. Flying over moving surfaces or objects.
e. Flying in an area with frequent and drastic lighting changes.
f. Flying over extremely dark (< 10 lux) or bright (> 40,000 lux) surfaces.
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