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Operation
Front Panel Features
1
1
MODE
14
Figure 3-1 — Front panel details of the MPS switcher (MPS 112 shown)
1
Video/audio group buttons
2
3
4
Microphone and Program Audio controls
5
6
7
8
Secondary button functions:
9
10
11
3-2
MPS 112 Series • Operation
2
3
VGA / AUDIO
S-VIDEO / AUDIO
2
3
4
1
2
SINGLE
SEPARATE
13
12
Executive Mode indicator LED — This red LED lights when Executive mode
is turned on.
The controls for the three independent switchers are grouped by input type.
VGA/Audio group — Buttons 1 through 4 select the input for the VGA/audio
switcher sections of the MPS unit. The LEDs adjacent to each button (when
lit) indicate which input has been selected for output.
S-video/Audio group — Buttons 1 through 4 select the input for the S-video/
audio switcher sections of the MPS unit. The LEDs adjacent to each button
(when lit) indicate which input has been selected for output.
Video/Audio group — Buttons 1 through 4 select the input for the composite
video/audio switcher sections of the MPS unit. The LEDs adjacent to each
button (when lit) indicate which input has been selected for output.
Mic Mix button — This button turns on the microphone mixer to provide
microphone talk-over for the program audio. The LED (when lit) indicates
that the microphone mixer is turned on.
Mic Volume — This adjustment knob controls the volume of the microphone.
Program Audio Volume — This adjustment knob controls the volume of the
program audio output.
Program Audio Mute — This button mutes the program audio output. The
LED (when lit) indicates that the program audio output is muted.
Mic Power On/Off — This is the secondary function of this button. Press and
release this button while pressing and holding the Mode button (
than 2 seconds to toggle the microphone power (MPS 112 – 15 V,
MPS 112CS – 48 V) on or off. The associated LED indicates if the mic power is
on (when lit) or off. When the Mode button is released, the LED resumes
input indication.
Mic Volume Reset — This is the secondary function of this button. Press and
release this button while pressing and holding the Mode button (
the mic volume to a preset level. See Front Panel Operation in this chapter for
details. When the Mode button is released, the LED resumes input indication.
Program Volume Reset — This is the secondary function of this button. Press
and release this button while pressing and holding the Mode button (
reset the Program Audio volume to a preset level. See Front Panel Operation in
this chapter for details. When the Mode button is released, the LED resumes
input indication.
4
VIDEO / AUDIO
3
4
1
2
3
4
PROG VOL RESET
MIC VOL RESET
MIC POWER ON/OFF
11
10
9
MPS SERIES
MEDIA PRESENTATION SWITCHER
PROGRAM AUDIO
MIC
VOLUME
VOLUME
MUTE
MIX
8
6
7
5
) for more
14
) to reset
14
) to
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