Extron electronic MVX 88, MVX 44 Operation, cont’d, Control buttons and LEDs, Audio Setup button

Operation, cont’d

Control buttons and LEDs

5Enter 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.

6Preset 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

8

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.

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	VID	+dB	VID	+dB	VID	+dB	VID	+dB
	AUD	- dB	AUD	- dB	AUD	- dB	AUD	- dB
VGA/AUDIO MATRIX SWITCHER
I/O		Press		Press		Press

VID +dB

AUD - dB

AUDIO SETUP

Default	Video Only		Audio Only Video & Audio
	= ON	= OFF

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).

3-4 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation