Extron electronic MPX 866 A manual Example 10 Viewing and adjusting an input audio level

Example 10: Viewing and adjusting an input audio level

In the following example, an audio level is viewed and adjusted. The steps show the front panel indications that result from your action.

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 input: Press and release the input 5 button.

Press and release the Computer Input 5 button.

The LED lights.

COMPUTER INPUTS

1 2 3 4 5

F = Blinking fast

F

1	2	3	4	5	6	7	8	9	VIEW	ESC
	COMPUTER/AUDIO OUTPUTS							VIDEO

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

In this example, the output buttons and View and Esc buttons display an audio gain level of +8 dB.

The View and Esc LEDs display the polarity (gain or attenuation).

4.Adjust the audio level: Press and release the View (<) button once (see figure 17) to decrease the input audio level by 1 dB.

Press and release the View (<) button several more times (see figure 17) to decrease the input audio level by 1 dB per push of the button. Note the output button indication changes that occur each time the View (<) button is pressed.

Figure 17 shows the result of pressing the View (<) button a total of 9 times.

Press the View button to decrease the input audio level by 1dB per button push.

S = Blinking slowly

VIEW

S

1	2	3	4	5	6	7	8	9	VIEW	ESC
	COMPUTER/AUDIO OUTPUTS							VIDEO

The output LEDs, independent of video group, display theaudio level of the selected input.

In this example, the output buttons and View and Esc buttons display an audio gain level of -1 dB.

The View and Esc LEDs display the polarity (gain or attenuation).

Figure 17. Adjust the Input Audio Level

MPX 866 A Media Presentation Matrix Switcher • Operation 43