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©
2019 DJI All Rights Reserved.
21
MATRICE 200
SERIES V2 User Manual
The performance of your Vision System and Infrared Sensing System is affected by the surface
being own over. Ultrasonic sensors may not be able to accurately measure distances when
operating above sound-absorbing materials and the cameras may not function correctly in
suboptimal environments. The aircraft will switch from P-mode to A-mode automatically if neither
GPS nor Vision System and Infrared Sensing System are available. Operate the aircraft with
great caution in the following situations.
The Vision System will be disabled when:
a) Flying over monochrome surfaces (e.g. pure black, pure white, pure red, pure green).
b) Flying over highly reective surfaces.
c) Flying over water or transparent surfaces.
d) Flying over moving surfaces or objects.
e) Flying in an areas where the lighting changes frequently or drastically.
f) Flying over extremely dark (lux < 15) or bright (lux > 100,000) surfaces.
g) Flying over surfaces without clear patterns or texture.
h) Flying over surfaces with identical repeating patterns or textures (e.g. tiling).
i) Flying at high speeds of over 31 mph (50 kph) at 2 meters or over 11 mph (18 kph) at
1 meter.
The Ultrasonic sensors will be disabled when:
a) Flying over surfaces that can absorb sound waves (e.g. thick carpet).
b) Flying over inclined surfaces that will deect sound waves away from the aircraft.
The Infrared be disabled when:
a) Flying over obstacles with too small effective infrared reective surface.
b) DO NOT cover the protective glass of the infrared module. Keep it clean and undamaged.
Keep sensors clean at all times. Dirt or other debris may adversely affect their effectiveness.
Vision System is only effective when the aircraft is at altitudes of 0.3 to 10 meters.
The Vision System may not function properly when the aircraft is ying over water.
The Vision System may not be able to recognize pattern on the ground in low light
conditions (less than 100 lux).
Do not use other ultrasonic devices with frequency of 40 KHz when Vision System is in
operation.
Keep away from animals while operating the aircraft, as the ultrasonic sensors emit high-
frequency sounds which may disturb them.
Return-to-Home (RTH)
The Return-to-Home (RTH) function brings the aircraft back to the last recorded Home Point when
there is a strong GPS signal. There are three types of RTH: Smart RTH, Low Battery RTH, and
Failsafe RTH. This section describes these three RTH types in detail.
GPS
Description
Home Point
If a strong GPS signal was acquired before takeoff, the Home Point is
the location from which the aircraft launched. The GPS signal strength is
indicated by the GPS icon
. Less than 4 bars is considered a weak
GPS signal. The aircraft status indicator will blink green rapidly when the
home point is recorded.
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