Extron electronic MVX 88, MVX 44, MVX 84, 48 Control Buttons and LEDs, O and Audio Setup button

Control Buttons and LEDs

eEnter 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.

fPreset 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

gI/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.

hVideo/+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

VID +dB

AUD -dB

AUDIO SETUP

VID	+dB	VID	+dB	VID	+dB	VID	+dB
AUD	-dB	AUD	-dB	AUD	-dB	AUD	-dB

Press Press Press Press

Default	Video Only	Audio Only	Video and
			Audio
= Lit, = unlit.

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