Turn it on and off
Startup
Briefly press the button using a stick or a pen.
Watch the led reaction.
If steady (~15s):
The device is turning on and sending an initial message.
When the LED goes out, the startup process is finished. The Windbird is now on.
It will then perform a GPS location for approximately 45 seconds.
The first measurements will be received around 10 minutes later.
The LED will then always remains off during operation.
If slow continuous flashing:
Capacitor charging is in progress, wait for a few minutes.
Once the LED stops flashing, start-up continues as described above.
Shutdown
Press the button again.
The LED flashes rapidly 5 times then fades.
The Windbird is now off.