Extron electronic MPX 866 A manual Example 11 Viewing and adjusting an output volume level

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 actions. See the table on page 45 to read the volume display.

1.Clear all selections: Press and release the Esc button. The button flashes once.

2.Enter Audio mode: Simultaneously press and hold the Audio button.

Press and hold the Audio button.

I/O

2 seconds

AUDIO	AUDIO
	The LED blinks to indicate Audio mode.
	Release the button.

3.Select an output: Press and release the output 1 button.

Press and release the Computer Output 1 button. The LED lights.

The input LEDs, independent of video group, display the selected output's audio volume level.

In this example, the lit input buttons indicate 41.5 to 46.0 percent of the applied audio input. The unlit input buttons indicate an audio volume attenuation of 36 dB to 39 dB.

39 dB attenuation,

41.5% volume

COMPUTER INPUTS

1 2 3 4 5 6 7 8 13 14

S

1 2

NOTE: Volume 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 (see “Setting the Front Panel Locks (Executive Modes)” on

page 47).

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

4.Adjust the volume: Press and release the Esc (>) button once (see figure 18 on the next page) to increase the volume by 1.5%.

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

NOTE: You 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.

Figure 18 show the result of pressing the Esc (>) button a total of 13 times.

MPX 866 A Media Presentation Matrix Switcher • Operation 46