Screamer - Ground Station 2
System that informs user to turn off the ground station before closing the box. If the box is closed while the device is on, a buzzer or other sounds making device makes an annoying sound.
Could be implemented with a buzzer. A switch could be put between the power of the station and the station, when this switch is on this will arm the buzzer. If the box is closed a button is pressed down turning on the buzzer.