3-29
MVX Plus 128 VGA Matrix Switchers • Operation
PRELIMINARY
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
VUdBu
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
VUdBu
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
VUdBu
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.
