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Audio gain and attenuation is displayed differently on different models.
•
Switchers with 32 output buttons — Each output button indicates 1 dB
when lit steadily. See the table on page 3-36.
•
Switchers with 16 output buttons — Each output button indicates 1 dB
when blinking and 2 dB when lit steadily. See the table on page 3-37.
4.
Press and release the Esc (
the audio level.
5.
Press and release the Audio button to exit the Audio mode. The Audio button
stops blinking.
N •
Pressing the Enter or Preset button also exits Audio mode. Pressing the
Preset button changes to Recall Preset mode.
•
There is one audio level setting per input. The audio level setting is shared
by the left and right audio inputs.
•
The audio level settings are stored in non-volatile memory. When power is
removed and restored, the audio level settings are retained.
•
Exiting Audio mode by pressing the Audio button always returns the I/O
configuration to video and audio selected for configuration (Video and Audio
buttons lit).
Example 9: Viewing and adjusting an input audio level
N This procedure can only be performed if the audio/RS-232 wire pair of the input
is defined as audio.
N Because of the different gain and attenuation display schemes, the input audio
levels that result from the following example are shown twice: as displayed on a
32-output button switcher and on a 16-output button switcher. The 32-button
displays show the actions that led up to the display. For simplicity, the figures
showing 16-button displays show the gain or attenuation display only, not the
actions that lead up to it.
In the following example, an audio level is viewed and adjusted. The steps show
the front panel indications that result from your action.
1.
Press and release the Esc button (figure 3-51).
Press the Esc button to clear all selections.
C O N T R O L
VIEW
ENTER
PRESET
The button flashes once.
Figure 3-51 — Clear all selections
2.
Press and hold the Audio button for approximately 2 seconds (figure 3-52).
Press and hold the Audio button until it blinks.
AUDIO
Figure 3-52 — Select Audio mode
MTPX Plus Twisted Pair Matrix Switchers • Operation
>
<
) and View (
) buttons to increase and decrease
ESC
AUDIO
2 seconds
3-35
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