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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 ashes once.
2. Enter Audio mode: Simultaneously press and hold the Audio button.
AUDIO
I/O
AUDIO
The LED blinks to indicate Audio mode.
Release the button.
Press and hold the Audio button.
2 seconds
3. Select an input: Press and release the input 5 button.
1 2 3 4 5 6
1 2 3 4 5 6
COMPUTER INPUTS
VIEW
ESC
7 8 9
VIDEO O
COMPUTER/AUDIO OUTPUTS
Press and release the Computer Input 5 button.
The LED lights.
In this example, the output buttons and View and Esc buttons display an audio gain level of +8 dB.
The output LEDs, independent of video group, display the audio level of the selected input. The View and Esc LEDs display
the polarity (gain or attenuation).
F
F
= Blinking fast
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.
1 2 3 4 5 6
VIEW
ESC
VIEW
7 8 9
VIDEO O
COMPUTER/AUDIO OUTPUTS
In this example, the output buttons and View and Esc buttons display an audio gain level of -1 dB.
The output LEDs, independent of video group, display theaudio level of the selected input. The View and Esc LEDs display
the polarity (gain or attenuation).
Press the View button to decrease the
input audio level by 1dB per button push.
S
S
= Blinking slowly
Figure 17. Adjust the Input Audio Level
MPX 866 A Media Presentation Matrix Switcher • Operation 43