My DacMagic 200M powers off by itself

The product will automatically switch to standby mode after inactivity of 20 minutes. To enable or disable this function, see below.

Important note:
Make sure that the DacMagic 200M is in the Standby state, before performing any APD functions.

APD OFF: Press and hold down the Volume knob for 5 seconds, and wait for the Input LEDs to blink 2 times.

APD ON: Press and hold down the Volume knob for 10 seconds, and wait for the Input LEDs to blink 5 times.