Extron electronic MVX 88 Series manual Operation, cont’d, Control buttons and LEDs, Preliminary

PRELIMINARY

Operation, cont’d

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 [G] and [H]).
	• Press the desired input button (C).
	• Press the desired output button(s) (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 3-24.

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 (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 (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 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.

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 (C) and output buttons (D).

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	Default		Video Only		Audio Only		Video & Audio
	AUDIO SETUP
				= 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