Extron electronic MVX 88, MVX 44, MVX 48 manual Quick Start MVX Series VGA Matrix Switchers, cont’d

Quick Start — MVX Series VGA Matrix Switchers, cont’d

+dB/–dB LEDs indicate the polarity of the audio level setting (+dB = gain, –dB = attenuation).

Saving or recalling a preset

+dB and –dB are secondary functions of the Video and Audio LEDs.

Each audio input gain and attenuation indicator indicates a range of 6 dB when lit. (Output 1 LED off = 0 dB to 5 dB, Output 1 lit = 6 dB to 11 dB, Output 1 and 2 lit = 12 dB to 17 dB, Output 1 through 3 lit = 18 dB.) The level indicators are secondary functions of the Output 1

1. To save a preset: Press and hold the Preset button until the Preset LED starts blinking.

To recall a preset: Press and release the Preset button.

PRESET		PRESET
Save	2 seconds

Press and hold. Preset LED blinks.

Release the Preset button.

= Blinking button

PRESET PRESET

Recall

through Output 3 LEDs.

Operation

Powering up

Plug in the switcher to apply power. The switcher performs a self-test that sequences the front panel LEDs. After the self-test, video and audio are selected and the configuration and audio settings are the same as they were when power was removed.

Creating a tie
1.	Press and release the I/O			Press the button to cycle
	button to select or deselect			through the selections.
	video and/or audio as
	desired.					I/O
2.	Press and	The LEDs light when video			VID
		and/or audio is selected. AUD
	release the
	desired input	Press and release the Input 5 button.
	button*.
			INPUTS
		4		5	6

The Input 5 LED lights to indicate that input 5 is selected.

			Press and release.
2. Press the desired input or				Preset LED lights.
output button.
				PRESET
Press and release the input 1 button
to select preset 1 to save or recall.
	INPUTS			The Preset LED
1	2	3	4	and Input 1 LED
				light for 1 second
				then go out.
	Preset 2	Preset 3	Preset 4

The selected input button and Preset button remain lit for 1 second to indicate the preset and then go out.

Viewing and adjusting the audio input gain

1. Apply audio signals to all inputs to be adjusted.

2. Press and hold the

Audio Setup (I/O)	Press and hold the button.
button for 2
seconds until the		2 seconds
Audio LED lights.	AUDIO SETUP	AUDIO SETUP

The LED lights.

Release the button.

3. Press and release the desired output button(s)*.

Press and release the Output 3, 4, and 8 buttons.

3. Press an input button. See chapter 3 to read the displayed value.

	OUTPUTS
3	4	5	8

The LEDs blink to indicate that the selected input will be tied to these outputs.

= Blinking button

*You can cancel the entire set of ties at this point by waiting for the 5-second input/

Press and release an input button.

		2	OUTPUTS
5
	1		3

The input	The Output 1 through 3
LED lights.	LEDs display the input's
	audio level range.
= lit, = unlit

+dB +/–dB LEDs - dB show polarity.

Power blinks to show the signal level.

output button timeout to occur.

4. Press and release the Enter button. The LEDs for the selected input and the selected outputs light steadily for approximately 1 second to indicate the tie and then go out.

4. Increase and decrease the audio input gain by pressing the and buttons until the audio level indicator (Power LED) blinks frequently.

5. For other inputs, repeat steps 3 and 4.

6. Press and release the Audio Setup button to exit.

QS-2 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Quick Start