The power is turned off unexpectedly. Why?

The Power Management function may be running. *The unit enters Off mode after 20 minutes without being used, and the [AUTO (WAKE UP)] button will light up. Press the [AUTO (WAKE UP)] button to exit Power Management Off mode. For details on how to turn off the Power Management function, see [Settings] > [Utility settings] > [Power Management function] in the Instruction Manual here.