One light blinking slowly: the device is ready to record, but is not yet receiving a GPS signal.
Four lights blinking slowly: the device is ready to record and is receiving a GPS signal.
Four lights blinking rapidly: the device is recording.
One light blinking very rapidly: the device has accidentally entered a special diagnostic mode. Power down and restart the device to bring it back to normal. If you are unable to exit this mode, you may need to reinstall firmware to bring it back to normal.
Lights are on and not blinking, or blinking in a circle: the device is busy, please wait a few moments.
One red light on, not blinking: the device is connected to power and charging its battery.
If your device is display a light pattern different to what is listed above, your device may have an issue that needs to be resolved. contact customer support.