3-29
MVX Plus 128 VGA Matrix Switchers • Operation
PRELIMINAR
Y
6
.
Press and release the View button to exit
View-Only
mode (fi gure 3-52).
VIEW
All
input buttons
and
output buttons
return to unlit or background illumination.
Press the View button
to exit
View-Only
mode.
The View button returns to
unlit or background
illumination.
Figure 3-52 — Press the View button to exit
View-Only
mode
Viewing and adjusting the input audio level
On models with audio, the audio level of each input can be displayed and adjusted
through a range of -18 dB to +24 dB to ensure that there is no noticeable volume
difference among sources (fi gure 3-53). The audio level can be adjusted from the
front panel or under RS-232/RS-422 or Ethernet control.
Audio
Inputs
Audio
Inputs
VCR
No noticeable
volume differences
between sources
Audio System
CD Jukebox
MVX 128 A
0
-3
-6
-9
-12
-15
Low Audio
Output Level
+4
+1
-2
-5
-8
-12
-18
-21
-15
-18
3
+7
6
+10
9
+13
12
+16
15
+19
18
+21
21
+24
VU
dBu
0
-3
-6
-9
-12
-15
High Audio
Output Level
+4
+1
-2
-5
-8
-12
-18
-21
-15
-18
3
+7
6
+10
9
+13
12
+16
15
+19
18
+21
21
+24
VU
dBu
0
-3
-6
-9
-12
-15
Output
Level
+4
+1
-2
-5
-8
-12
-18
-21
-15
-18
3
+7
6
+10
9
+13
12
+16
15
+19
18
+21
21
+24
VU
dBu
AUDIO
VIDEO
I/O
CONTROL
ENTER
PRESET
VIEW
ESC
INPUTS
1
2
3
4
5 6
7 8
9 10 11 12
OUTPUTS
1
2
3
4
5
6
7
8
MVX SERIES SWITCHER
WIDEBAND MATRIX SWITCHER
WITH
ADSP™
Figure 3-53 — Audio gain and attenuation
1
.
Press the Esc button to clear any input buttons, output buttons, or control
buttons that may be lit.
2
. To
enter
Audio
mode, press and
hold
the Audio button until the button begins
to blink red, then release the button.
3
.
Press and release an input button to select an input. The output buttons
display audio level and polarity (+ or –) for the selected input. Each lit output
button indicates 1 dB of gain or attenuation. Green output buttons indicate a
gain (+) audio level and red buttons indicate an attenuation (–) level.
4
.
Press and release the Esc (
>
) and View (
<
) buttons to increase and decrease
the audio level.
5
.
Press and release the Audio button to exit the
Audio
mode. The Audio button
stops blinking.
