Vision Positioning System - ProDrone Byrd User Manual

Indicators of Aircraft Status
The flight status of the ProDrone Byrd could be judged from the two groups of LED indicator
lights at the head and the end of the aircraft. Their places are shown in the following picture.
The two groups of LED indicator lights show the current status of the flight control system
through different groups of colors and flickers. See the following table for more details.

Vision Positioning System

This positioning system consists of the visible light camera and the ultrasonic module. The former
is used to obtain the position information of the flight to provide reference for the horizontal
direction of the aircraft. And the latter could judge the current flight height to provide reference
for the height from the ground to realize the flight at a certain height.
This system is adaptable to the environment in which the height is lower than 6 meters, where
there is no GPS signal or the GPS signal is not good enough. It could be especially used for indoor
flight.
The precision of the visual and acoustic system is prone to be affected by the illumination
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