Extron Electronics MVX 44_48_84_88 Series User Guide - Manual (Page 16)

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
Press Press Press 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