Extron electronic MVX 44 series - Manual (Page 20)

Operation, cont’d
MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-4
Control buttons and LEDs
5 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 [ 7 ] and [ 8 ]).
• Press the desired input button ( 3 ).
• Press the desired output button(s) ( 4 ).
• Press the Enter button.
6 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 Clear all ties and presets on page 3-24.
I/O selection and audio/video controls and indicators
7 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 (
8 ) 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 (
9 )
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 3-18.
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.
8 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
(
3 ) and output buttons ( 4 ).
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).