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Microphone and Program Audio Controls
h
Mic Mute — Toggles the microphone mixer on and off to provide microphone talk-over
for the program audio. The LED (when lit) indicates the microphone input is muted.
i
Mic Volume — This adjustment knob controls the volume of the microphone.
Rotating the Mic Volume control unmutes the microphone.
j
Program Audio Mute — Toggles program audio on and off. The LED (when lit)
indicates program audio is muted. When muted, inputs may be switched without
unmuting.
k
Program Audio Control and Indicator — Increase or decrease program audio output
with this volume knob. The eight segment LED shows the real-time output level whether
the mute button is on or off. Rotating this knob automatically unmutes the program
output.
Switcher Mode Control
Four front panel buttons, VGA/YUV Inputs 1 and 2 and DVI inputs 1 and 2 (
l
,
m
,
n
,
o
),
have secondary functions.
l
Mode — Press and hold this button for more than 3 seconds to view the switcher
status indicated by
m
,
n
, and
o
below. All front panel LEDs will be unlit except those
indicating the current mode. The mode button also allows mode changes when used in
combination with other buttons.
m
Single Switcher mode (default mode) — To enter Single Switcher mode, press and
hold the Mode button (
l
) for 3 seconds, then press and release the Single button (
m
).
The associated LED indicates the mode is on (when lit) or off. When the Mode button is
released, the LED resumes input indication.
MODE
1 2
SINGLE
SEPARATE
COMBINE DVI/HDMI
3
MUTE
MPS 409
DIGITAL MEDIA PRESENTATION SWITCHER
MUTE
VIDEO INPUTS
HDMI INPUTS
MIC PROGRAM AUDIO
DVI INPUTSVGA/YUV INPUTS
CONFIG
EXEC
MODE
1 2 1 2 1 2
l m n o
Press and release
Single Mode
Press and Hold
for 3 seconds
Figure 10. Enter Single Switcher Mode
n
Separate Switcher mode — To enter Separate Switcher mode, press and hold the
Mode button (
l
) for 3 seconds, then press and release the Separate button (
n
). The
associated LED indicates the mode is on (when lit) or off. When the mode button is
released, the LED resumes input indication.
MODE
1 2
SINGLE
SEPARATE
COMBINE DVI/HDMI
3
MUTE
MPS 409
DIGITAL MEDIA PRESENTATION SWITCHER
MUTE
VIDEO INPUTS
HDMI INPUTS
MIC PROGRAM AUDIO
DVI INPUTSVGA/YUV INPUTS
CONFIG
EXEC
MODE
1 2 1 2 1 2
l m n o
Press and release
Separate Mode
Press and Hold
for 3 seconds
Figure 11. Enter Separate Switcher Mode
o
Combine DVI/HDMI mode — To enter Combine Switcher mode, press and hold the
Mode button (
l
) for 3 seconds, then press and release the Combine DVI/HDMI button
(
o
). The associated LED indicates the mode is on (when lit) or off. When the mode
button is released, the LED resumes input indication.
MPS 409 • Operation 11