Extron electronic MVX 44, 48 Example 9 Resetting audio gain - single input, indicates a negative

Example 9: Resetting audio gain — single input

Reset the audio gain or attenuation for a specified input to the factory default (0 dB) as follows:

1.Select Audio Setup mode: Press and hold the Audio Setup (I/O) button for approximately 2 seconds.

Press and hold the button.

	2 seconds
AUDIO SETUP	AUDIO SETUP

The LED lights to indicate Audio Setup mode

Release the Audio Setup button.

2.Select an input: Press and release the Input 5 button.

Press and release the Input 5 button.

4	INPUTS			2	OUTPUTS	4
	5	6	1		3

+dB -dB

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

	The –dB LED
The Output 1, Output 2, and Output 3	indicates a negative
LEDs display the audio level range of the	(attenuation) level.
input .

In this example, the LEDs indicate audio attenuation in the –1 dB to –5 dB range.

3.Reset the input level: Press and release the < and > buttons simultaneously.

Simultaneously press and release the

button and button.

The Audio Setup

LED blinks off and then relights.

AUDIO SETUP

4.If desired, reset the audio levels for other inputs by repeating steps 2 and 3.

NOTE: After approximately 30 seconds of front panel inactivity, the switcher saves

the most recent input gain or attenuation levels and exits Audio Setup mode.

5.Exit the Audio Setup mode: Press and release the Audio Setup button. All audio changes are saved.

Press the Audio Setup button to exit Audio Setup mode.

I/O

VID	+dB	All input and output
		LEDs turn off.
AUD	-dB
	AUDIO SETUP

The Audio Setup LED turns off.

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 27