SM Pro Audio M-Patch Active-1: Precision Monitor Control Plus Studio Talkback and USB Audio I/O User Manual
Page 10

SM Pro Audio
Page 10 of 16
ACTIVE-1 manual
5.3 Dim
Activate this switch to decrease the listening level of the outputs by 20db. This is helpful to allow
discussion in the studio 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 control
As it is an ACTIVE device, the ACTIVE-1’s Volume control, controls an electronic circuit, which in
turn adjusts the level of the audio going through the device.