3-5
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation
PRELIMINAR
Y
i
Audio Setup LED —
The Audio Setup LED lights red to indicate that the
mode. See “Adjusting input audio gain and
Alternate IR error function —
The Audio Setup LED also indicates errors
when you use an IR 501 small matrix remote control. The LED lights for
approximately 1 second when the switcher receives an unexpected or out-
of-sequence IR command from the remote control. The switcher otherwise
ignores the command.
j
Down (
<
) button and LED —
The
<
button decreases the audio gain for a
selected input. Press and release the button to decrease the gain by 1 dB or
press and
hold
the button to decrease the gain by 3 dB per second until the
button is released or the lower limit is reached.
N
On
4-output switchers
, this button and LED
stand alone
.
On
8-output switchers
, this button and LED are secondary functions of the
Output 7
button and LED.
The
<
LED flashes once in
Audio Setup
mode to indicate each 1 dB decrease in
the input audio gain. See “Adjusting input audio gain and attenuation” on
page 3-18.
The
<
LED lights steadily in
Audio Setup
mode to indicate that the adjustment
has reached the maximum attenuation (-18 dB).
k
Up (
>
) button and LED
— The
>
button increases the gain for a selected
input. Press and release the button to increase the audio level by 1 dB or press
and
hold
the button to increase the audio level by 3 dB per second until the
button is released or the upper limit is reached.
N
On
4-output switchers
, this button and LED
stand alone
.
On
8-output switchers
, this button and LED are secondary functions of the
Output 8 button
and LED.
The
>
LED flashes once in
Audio Setup
mode to indicate each 1 dB increase in
the input audio gain. See “Adjusting input audio gain and attenuation” on
page 3-18.
The
>
LED lights steadily in
Audio Setup
mode to indicate that the adjustment
has reached the maximum gain (+10 dB).