BAMSTER PRO: The device has an automatic on/off function. When exactly does this take effect?

Automatic switch-off
If the BAMSTER PRO is not playing back an audio signal and you do not press any button on the device, the BAMSTER PRO will switch off automatically after approx. 40 minutes.

Automatic switch-on
If the BAMSTER PRO has not been switched off manually and is connected to the charging cable, it will restart when a signal is present again, regardless of the source.