To power On press and hold the Center Button and the (+) Button at the same time for 1 second to power on. The blue LED turns on and you will hear ascending beeps and “Hello”.
To power Off press the Center Button and the (+) Button simultaneously (you don’t need to press and hold in
order for the system to power off). The red LED turns on for about 2 seconds until it turns off completely
and you will hear “Goodbye” and descending beeps.