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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 [item g] and [item h]).
• Press the desired input button (item c).
• Press one or more desired output buttons (item 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 29.
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
(item 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 (item 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 Attenuation” on page 23.
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 30.
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 (item c) and
output buttons (item d).
Pressing the I/O button advances through a cycle of video and/or audio selections
(see figure 7).
MVX SERIES
VGA/AUDIO MATRIX SWITCHER
I/O
AUD
AUDIO SETUP
Default
= Lit, = unlit.
VID
+dB
-dB
AUD
VID
+dB
-dB
Video Only
AUD
VID
+dB
-dB
Audio Only
AUD
VID
+dB
-dB
Video and
Audio
AUD
VID
+dB
-dB
PressPressPress Press
Figure 7. 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 23.
Both LEDs light to indicate unity gain (0 dB).
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 10