APM LED indicators
The flight controller does some pre-ARM checks and needs to establish a GPS
lock before it will ARM.
The on-board
blue
status
LED (C)
shows GPS.
Solid blue
indicates GPS lock.
The on-board
red
status
LED (A)
shows ARM status. Blinking = DISARMED. Solid =
ARMED
onDrone Spider Quad Owners Manual rev 0514.2