Operation, cont’d
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation
3-4
PRELIMINAR
Y
Control buttons and LEDs
e
Enter button —
The Enter button saves changes when you set up a new
configuration. To create a simple configuration:
• Specify video, audio, or both (see controls [
g
] and [
h
]).
• Press the desired input button (
c
).
• Press the desired output button(s) (
d
).
• Press the Enter button.
f
Preset button and LED —
The Preset button activates either
Save Preset
mode
or
Recall Preset
mode.
Save Preset
mode saves a configuration as a preset.
Recall Preset
mode recalls and activates a previously-defined preset. The
Preset button indicates
Save Preset
mode when it is blinking and
Recall Preset
mode when it lights steadily.
Alternate reset function —
This button is also used to clear all ties and
presets. See “Clearing all ties and presets” on page 3-24.
I/O selection and audio/video controls and indicators
g
I/O and Audio Setup button —
•
Press and release —
Pressing the I/O button cycles through video and
audio, video only, or audio only for input and output selection. See the
Video and Audio LEDs (
h
) for the sequence.
•
Press and hold —
The I/O button also serves as the
Audio Setup
mode
selection button. To enable the
Audio Setup
mode, press and
hold
the
Audio Setup button for about 2 seconds until the Audio Setup LED (
i
)
lights. In
Audio Setup
mode, you can view and/or change the current
audio level setting for each input. See “Adjusting input audio gain and
Audio Setup
mode times out after approximately 30 seconds of inactivity.
Alternate reset function —
This button is also used to perform a system reset.
See “Resetting the system to factory defaults” on page 3-25.
h
Video/+dB LED and Audio/–dB LED —
•
I/O selection —
The Video and Audio LEDs indicate whether video and
audio, video only, or audio only will be selected using the input buttons
(
c
) and output buttons (
d
).
Pressing the I/O button advances through a cycle of video and/or audio
selections as shown on figure 3-2.
MVX SERIES
VGA/AUDIO MATRIX SWITCHER
I/O
AUD
AUDIO SETUP
Default
= ON
= OFF
VID
+dB
-dB
AUD
VID
+dB
-dB
Video Only
AUD
VID
+dB
-dB
Audio Only
AUD
VID
+dB
-dB
Video & Audio
AUD
VID
+dB
-dB
Press
Press
Press
Figure 3-2 — Video and/or audio selection cycle
•
Audio Setup
mode —
The –dB and +dB LEDs indicate the polarity of the
audio level setting. See “Adjusting input audio gain and attenuation” on
page 3-18. Both LEDs light to indicate unity gain (0 dB).