Also completely turn down the volume of any connected external devices.
Turn off the power of the connected devices.
Press the [Ā] switch.
The unit is turned off.
Before turning the unit on/off, always be sure to turn the volume down. Even with the volume turned down, you might hear some sound when switching the unit on/off. However, this is normal and does not indicate a malfunction.
When you need to turn the power off completely, use the [Ā] switch to turn off the power and then unplug the instrument from the AC outlet.