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Quick Start — MVX Series VGA Matrix Switchers, cont'd
+dB/–dB LEDs indicate the polarity of the audio
level setting (+dB = gain, –dB = attenuation).
+dB and –dB are secondary functions of the Video
and Audio LEDs.
Each audio input gain and attenuation indicator
indicates a range of 6 dB when lit. (Output 1
LED off = 0 dB to 5 dB, Output 1 lit = 6 dB to
11 dB, Output 1 and 2 lit = 12 dB to 17 dB,
Output 1 through 3 lit = 18 dB.) The level
indicators are secondary functions of the Output 1
through Output 3 LEDs.
Operation
Powering up
Plug in the switcher to apply power. The switcher
performs a self-test that sequences the front panel
LEDs. After the self-test, video and audio are
selected and the configuration and audio settings
are the same as they were when power was
removed.
Creating a tie
1. Press and release the I/O
button to select or deselect
video and/or audio as
desired.
The LEDs light when video
2. Press and
and/or audio is selected.
release the
desired input
button*.
3. Press and release the desired output button(s)*.
Press and release the Output 3, 4, and 8 buttons.
3
4
The LEDs blink to indicate that the selected
input will be tied to these outputs.
= Blinking button
*You can cancel the entire set of ties at this
point by waiting for the 5-second input/
output button timeout to occur.
4. Press and release the Enter button. The LEDs
for the selected input and the selected outputs
light steadily for approximately 1 second to
indicate the tie and then go out.
QS-2
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Quick Start
Press the button to cycle
through the selections.
I/O
VID
AUD
Press and release the Input 5 button.
INPUTS
4
5
6
The Input 5 LED lights to
indicate that input 5 is selected.
OUTPUTS
5
8
Saving or recalling a preset
1. To save a preset:
Save
Press and hold the
Preset button until
the Preset LED
starts blinking.
To recall a preset:
Press and release
the Preset button.
Recall
2. Press the desired input or
output button.
Press and release the input 1 button
to select preset 1 to save or recall.
INPUTS
1
2
3
Preset 2 Preset 3 Preset 4
The selected input button and Preset button
remain lit for 1 second to indicate the preset and
then go out.
Viewing and adjusting the audio input gain
1. Apply audio signals to all inputs to be adjusted.
2. Press and hold the
Audio Setup (I/O)
button for 2
seconds until the
Audio LED lights.
AUDIO SETUP
3. Press an input button. See chapter 3 to read the
displayed value.
Press and release an input button.
OUTPUTS
5
1
2
The input
The Output 1 through 3
LED lights.
LEDs display the input's
audio level range.
= lit,
= unlit
4. Increase and decrease the audio input gain by
pressing the
and
level indicator (Power LED) blinks frequently.
5. For other inputs, repeat steps 3 and 4.
6. Press and release the Audio Setup button to exit.
PRESET
PRESET
2 seconds
Press and hold.
Preset LED blinks.
Release the Preset button.
= Blinking button
PRESET
PRESET
Press and release.
Preset LED lights.
PRESET
The Preset LED
4
and Input 1 LED
light for 1 second
then go out.
Press and hold the button.
2 seconds
AUDIO SETUP
The LED lights.
Release the button.
+/–dB LEDs
+dB
3
show polarity.
-dB
Power blinks to
show the
signal level.
buttons until the audio
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