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DJI Inspire 3
User Manual
38
©
2023 DJI All Rights Reserved.
• 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 near monochrome surfaces (e.g., pure black, white, red, or green) or those
without clear texture or those with highly repetitive textures (e.g., small bricks of the
same color).
b. Flying near surfaces with strong reflected light or images (e.g., water, ice, or
transparent surfaces).
c. Flying near moving surfaces or objects (e.g., crowds of people or swaying reeds,
shrubs, or grass).
d. Flying in an area with frequent and drastic lighting changes.
e. Flying near extremely dark (< 10 lux) or extremely bright (> 40,000 lux) surfaces.
f. Tiny obstacles (e.g., iron wiring, cables, and tree branches).
g. The lens is dirty (e.g., from raindrops or ngerprints).
h. In low-visibility environments less than 100 m (e.g., heavy fog or snow).
• Be alert when in control of the aircraft instead of relying on the obstacle avoidance
function provided by the vision systems and the infrared sensing system.
• Obstacle avoidance cannot detect certain obstacles such as iron wiring, cables, tree
branches, blind spots, and mirrored surfaces. Keep the aircraft within VLOS and pay
close attention to the ight. Use the liveview to help operate the aircraft and manually
avoid obstacles in a timely manner.
• If the aircraft is involved in a collision, it may be necessary to ship the aircraft to DJI to
calibrate the vision systems. DO NOT hang or place anything in an area that will block the
vision systems, infrared sensing systems, and their observation range.
• Make sure that the sensor lens is clear and free of stains. Check the following before
each takeo:
a. Make sure there are no stickers or any other obstructions over the glass of the
infrared sensing systems and vision systems.
b. Use soft cloth if there is any dirt, dust, or water on the glass of the vision systems
and infrared sensing system. DO NOT use any cleaning product that contains
alcohol.
c. Contact DJI Support if there is any damage to the lenses of the infrared sensing and
vision systems.
• If the aircraft attitude angle is larger than 30° or the speed exceeds 15 m/s, the infrared
sensing systems cannot detect obstacles in time for the aircraft to brake and hover at a
safe distance.
• Be aware of the blind spots (marked gray) of the vision systems and infrared sensing
systems. Aircraft cannot sense obstacles that are out of the detection range. The
infrared sensor observation range is from 0.1 to 10 m.
• DO NOT obstruct the infrared sensing system.
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