Switches and buttons on the front of the unit
1 [INPUT] switch
Select the input (analog or digital) to monitor.
The unit will automatically store the switch status within approximately three
Digital input (unlocked)
2 [OUTPUT] switch
Select the output channel.
The unit will automatically store the switch status within approximately
3 Mute button
Press the mute button for approximately one second to mute the unit.
You can set the unit to standby by pressing the mute button for more
than 5 seconds.
When in mute or standby, brieﬂy press the mute button again to return
to the normal state.
The unit is never muted (sound can be heard) when it is turned on.