SM Pro Audio M-Patch V2: Passive Monitor Controller - Manual (Page 7)

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4.4 Power Connection
Power to the M-Patch V2 is required only if you wish to use the headpho-
ne amplifi er, or view the illuminated led indicator lamps.
The included power supply can be connected from mains power to the power con-
nector socket located on the rear panel of the M-Patch V2.
The Blue led on the front panel (next to the mono/stereo control switch) will illumi-
nate when the external power supply is connected and mains power is present.
* Note: All passive attenuation functions operate fully without the connection of the
power supply. This enables full portable use of the M-Patch V2 without restriction.
5. FRONT PANEL CONTROLS
5.1 Stereo/Aux input selection control
The input selection controls on the front panel of the M-Patch V2 allow
selection of either ‚Stereo‘ or ‚Aux‘ input source material to be routed
to the output pairs for immediate listening and attenuation control.
Select the “stereo” position to activate the main stereo input source connected to
the XLR/combo inputs, or select “Aux” position to activate the RCA and 3.5mm
stereo mini-jack input source.
5.2 1&2 Output selector switch
The 1/2 output switch on the front panel of the M-Patch V2 is for
selecting which desired output pair (1 +/or 2) you would like to
route the audio signal to.
Simply change the position of the switch to toggle between output destinations.
* Note: If you have more than one pair of monitor speakers you could create a
perfect switching facility for toggling between near-fi eld and lager format active
room monitors.
5.3 Input volume rotary attenuator controls
The Aux input volume rotary attenuator control on the front panel of the M-Patch
V2 adjusts the level of monitored output signal for devices connected to the Aux
inputs (either the RCA or 3.5mm stereo min-jack) of the M-Patch V2.
The stereo input volume attenuator switch on the front panel of the M-Patch V2
adjusts the level of monitored output signal for devices connected to the stereo
inputs (XLR combo connectors) of the M-Patch V2.