Extron electronic MAV Plus, 450 Plus manual 10 11 12 13, Operation, cont’d, 24 25 26 27 28 29 30 31

Operation, cont’d

Example 11: Viewing and adjusting an output volume level

In the following example, the audio output volume is viewed and adjusted. The steps show the front panel indications that result from your action. See the table on page 3-37 to read the displayed audio output volume.

1.Press and release the Esc button (figure 3-59).

Press the Esc button to clear all selections.

C O N T R O L

ENTER PRESET VIEW ESC

The button flashes once.

Figure 3-59 — Clear all selections

2.Press and hold the Audio button for approximately 2 seconds (figure 3-60).

AUDIO

2 seconds

AUDIO

Press and hold the Audio button until it blinks.

= Blinking button

Figure 3-60 — Select Audio mode

3.Press and release the output 17 button (figure 3-61).

The input buttons display the selected output's audio volume level.

Each lit input button beyond input 1 indicates 1.5 percent of the total input volume is applied to the output.

In this example, the green input buttons indicate 41.5 percent of the applied audio input. The unlit input buttons indicate an audio volume attenuation of 39 dB.

Press and release the Output 17 button. The button lights green.

1 1 8 9 10 11 12 13 14 15 16

17	O	24 25 26 27 28 29 30 31 32	I
	U		N

= Unlit button

39 dB attenuation,

= Lit button

41.5% volume

Figure 3-61 — Select output 17

4.Press and release the Esc (>) button once (figure 3-62) to increase the volume by 0.75%.

Press and release the Esc (>) button several more times (figure 3-62) to increase the volume by 0.75% (0.5 dB) per button push. Note the input button 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.

3-38 CrossPoint 450 Plus and MAV Plus Switchers • Operation