Extron Electronics MPS 112_112CS User Guide - Manual (Page 18)

MPS 112 Series • Operation 3-2
Operation
PRELIMINAR
Y
Front Panel Features
Figure 3-1 — Front panel details of the MPS switcher (MPS 112 shown)
1 Executive Mode indicator LED — This red LED lights when Executive mode
(front panel lockout) is turned on.
Video/audio group buttons
The controls for the three independent switchers are grouped by input type.
2 VGA/Audio group — Buttons 1 through 4 select the input for the VGA/audio
switcher sections of the MPS unit. The LEDs to the right of each button (when
lit) indicate which input has been selected for output.
3 S-video/Audio group — Buttons 1 through 4 select the input for the S-video/
audio switcher sections of the MPS unit. The LEDs to the right of each button
(when lit) indicate which input has been selected for output.
4 Video/Audio group — Buttons 1 through 4 select the input for the composite
video/audio switcher sections of the MPS unit. The LEDs to the right of each
button (when lit) indicate which input has been selected for output.
Microphone and Program Audio controls
5 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.
6 Mic Volume — This adjustment knob controls the volume of the microphone.
7 Program Audio Volume — This adjustment knob controls the volume of the
program audio output.
8 Program Audio Mute — This button mutes the program audio output. The
LED (when lit) indicates that the program audio output is muted.
Secondary button functions
9 Mic Power On/Off — This is the secondary function of this button. Press and
release this button while pressing and holding the Mode button (
14
) for more
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.
10 Mic Volume Reset — This is the secondary function of this button. Press and
release this button while pressing and holding the Mode button ( 14 ) to reset
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.
11 Program Volume Reset — This is the secondary function of this button. Press
and release this button while pressing and holding the Mode button ( 14 ) to
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.
MPS SERIES
MIC PROGRAM AUDIO VIDEO / AUDIO S-VIDEO / AUDIO VGA / AUDIO
VOLUME
VOLUME
MUTE
4 3 2 1 4 3 2 1 4 3 2 1
MIC POWER ON/OFF MIC VOL RESET PROG VOL RESET SEPARATE SINGLE MODE
EXEC.MODE
MIX
MEDIA PRESENTATION SWITCHER
2 1 3 4
6 8 5 7 9 10 11 12 13 14