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Audio Mixer
The Shure Audio Mixer is composed of four (4) input channels and a MASTER
output channel.
Shure audio mixer, front.
Input Channels
Each input channel has the channel number below the level controls.
LO CUT – reduces low frequency sounds (wind noise) when set to IN.
Input Level Control Dial – controls the volume level for each input.
INPUT 1/OSC 1 – switches input 1 to a tone signal.
LIMITER – cuts distortion of all mixer inputs during loud programs when set to IN.
MASTER Level Control Dial - controls the level of the signals being sent through
the output connections.
OL (red) light – lights up when the signal is too “hot”, a good indication that you
need to lower the level for that channel or the MASTER level.
BATT CHECK – temporarily changes the VU meter to a battery meter. Batteries
are good if the meter reading is above 0 VU.
VU Meter – indicates the audio level of all mixer inputs. Use this meter as a guide
for adjusting Input Level Control Dials and the MASTER Level Control Dial.
Ideally for voices the needle should on average reach between –5 and -3.
Power Switch – turns the mixer on or off.
PHONES – adjusts the volume for headphones connected to the mixer.
Headphone Input – this is where you connect headphones to the mixer.
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