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Operation, cont'd
Muting and unmuting audio/RS-232 outputs
Individual audio or RS-232 outputs can be muted or unmuted as follows:
N Audio/RS-232 mutes are protected when front panel Lock mode 2 is selected.
1.
2.
3.
4.
N •
Example 5: Muting and unmuting an audio or RS-232 output
In the following example, a matrix switcher audio or RS-232 output is muted and
unmuted. The steps show the front panel indications that result from your actions.
1.
Figure 3-28 — Clear all selections
2.
3.
N This example shows the front panel indications if example 1, example 2, and
3-20
MTPX Twisted Pair Matrix Switchers • Operation
You can view the status of the audio output (muted or unmuted) in Lock mode 2
but you cannot change it from the front panel. See "Setting the front panel locks
(Executive modes)" on page 3-40.
Press the Esc button to clear any input LEDs, output LEDs, or control LEDs
that are lit.
Press and release the View button.
One at a time, press and hold the output button(s) for the desired output(s)
for approximately 2 seconds. The output LED(s) for the selected output(s)
blink to indicate the mute or return to their previous state to indicate the
unmute.
Press and release the View button to return to normal switcher operation.
You can mute only the audio or RS-232 outputs, not video.
•
When you enter View-only mode, the output LEDs turn on for all outputs
without ties.
•
Mutes are saved to non-volatile memory. When power is removed and
restored, the mute settings are retained.
Press and release the Esc button (figure 3-28).
Press the Esc button to clear all selections.
CONTROL
ENTER PRESET VIEW
Press and release the View button to enter View-only mode. The View LED
lights.
To select audio (or RS-232) for viewing and muting, if necessary, press and
release the Audio button (figure 3-29).
example 3 have been completed.
The LED
blinks once.
ESC
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