SM Pro Audio M-Patch Passive-1: Precision Monitor Control Plus Studio Talkback and USB Audio I/O - Manual (Page 9)

SM Pro Audio Page 9 of 15 PASSIVE-1 Manual
5.3 Dim
Activate this switch to decrease the listening level of the outputs by 20db. This is helpful to allow
discussion without having to change the position of the volume knob.
5.4 Mute
Activate this switch to mute the signal from the outputs.
5.5 Mono
Activate this switch to listen to the audio outputs in monophonic mode. This combines the stereo
audio signal into a monophonic signal, which helps to check for any phase cancellation issues in
the stereo signal.
5.6 Volume
As it is a passive attenuator, start with the volume knob in the MAX position, and attenuate the
volume down to the desired listening level.
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