The Sentera Single has 3 LEDs that indicate the status of the camera.

LED Status Description Details
GREEN ON Power Good Camera is powered.
GREEN OFF Power Off Camera is not powered.
YELLOW BLINKING Camera Booting Waiting for valid GPS.
YELLOW ON Camera Ready Valid GPS - Ready for Flight
RED ON Camera Failure Please contact Sentera support for instructions.
RED BLINK Camera Trigger A brief blink will occur for each image capture. Typically not seen by users as this typically only occurs in the air.