Extron electronic manual 52 - Select output, MVX VGA A Matrix Switchers Operation, Preliminary

Operation, cont’d

3. Press and release the Output 1 button (figure 3-52).

NFigure 3-52 shows the volume level (39 dB attenuation) displayed on the MVX 128 A, an 8-output-LED switcher.

	The input LEDs display the selected output's audio volume level.
	In this example, the lit input buttons indicate 40 to 41.5 percent of the applied audio
Press and release	input. The unlit input buttons indicate an audio volume attenuation of 39 dB to 40 dB.
the Output 1 button.	39 dB attenuation,
The LED lights.	41.5% volume

1	2	3	4	5
				S

1 2

= Lit LED, = Unlit LED, S = Slow blinking LED

INPUTS
6	11	12

PRELIMINARY

Figure 3-52 — Select output 1

Figure 3-53 shows the same volume (41.5%) as in figure 3-52, but displayed on a 16-output-button switcher, such as an MVX 168 A.

In this example, the input buttons display an audio gain level of –39 dB.

S

= Lit LED, = Unlit LED, S = Slow blinking LED

Figure 3-53 — Volume display on a 16-output-button switcher

NThe volume level is protected when front panel Lock mode 2 is selected. You can view the volume in Lock mode 2 but you cannot change it from the front panel.

If you try to perform step 4 while front panel Lock mode 2 is selected, the actions are ignored and the Enter, RGBHV, and Audio LEDs flash.

4. Press and release the Esc (>) button once (figure 3-54) to increase the volume by 1.5%.

Press and release the Esc (>) button several more times (figure 3-54) to increase the volume by 1.5% per button push. Note the input LED indication changes that occur each time the Esc (>) button is pressed and released.

NYou can press and hold the Esc (>) or View (<) button to ramp the level up or down by 3 dB per second to the high or low limit.

3-34 MVX VGA A Matrix Switchers • Operation