Extron electronic MVX 88 Series ユーザーズマニュアル
3-23
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation
PRELIMINAR
Y
3
.
Press and release the
<
and
>
buttons simultaneously (figure 3-37).
Simultaneously press and release the
button and button.
button and button.
AUDIO SETUP
The Audio Setup
LED
LED
blinks off
and then relights.
Figure 3-37 — Reset the selected input level
4
.
If desired, reset other inputs’ audio levels by repeating steps 2 and 3.
N
After approximately 30 seconds of front panel inactivity, the switcher saves the
most recent input gain or attenuation levels and exits
Audio Setup mode.
5
.
Press and release the Audio Setup button (figure 3-38). All audio changes are
saved.
I/O
AUD
VID
AUDIO SETUP
+dB
-dB
Press the Audio Setup button
to exit Audio Setup mode.
to exit Audio Setup mode.
The Audio Setup LED
turns off.
turns off.
All input and output
LEDs turn off.
LEDs turn off.
Figure 3-38 — Exit Audio Setup mode
Example 10: Resetting audio gain — all inputs
Reset the input audio gain or attenuation to the factory default (0 dB) for all inputs
as follows:
1
.
Press and hold the Audio Setup (I/O) button for approximately 10 seconds
(figure 3-39).
AUDIO SETUP
AUDIO SETUP
The LED goes off and then
flashes twice
to indicate the audio reset of all inputs.
Release the Audio Setup button.
10 seconds total
2
seconds
Press and
hold the button.
Continue to
hold the button.
Figure 3-39 — Reset all input levels
Setting the output audio level
The audio level for each output can be set only via the RS-232 port, using either
level (–10 dBV). The default is professional level.