Zero UAV (Beijing) Intelligent Technology Co., Ltd. 44
4.2
LED Status Indications
RED
+
BLUE
(or
GREEN
) LED——indicating the current operational state of the aircraft
Light colour
Light status
Operational status
Red light
(for all modes)
3 flashes
•••
No GPS
2 flashes
••
GPS 5 satellites
1 flash
•
GPS 6 satellites
Red light out
GPS 7 or more satellites
Blue light
(GPS mode, non-positioning)
2 flashes
••
Hovering at fixed height
1 flash
•
User in operation
Green light
(GPS mode, in positioning)
2 flashes
••
Hovering at fixed point
1 flash
•
User in operation
NOTE:Only take off after 7 or more GPS satellites are in view. The flight controller will use the take-off position as the home
location when the GPS first locks in to seven satellites.