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Video cannot be
muted. The lit
status of the button
is unimportant.
Until you select an input, the buttons for all
outputs with no audio ties light amber if no
inputs are tied or red if only video is tied.
Red Amber Unlit
1
2
3
4
17 18 19 20 21 22 23 24 31 32
Figure 3-46 — Select audio only
N Output mutes are protected when front panel Lock mode 2 is selected. You
can view the mutes in Lock mode 2 but you cannot change them from the front
panel. See "Setting the front panel Locks (Executive modes)" on page 3-46.
If front panel Lock mode 2 is selected and you try to perform steps 4 and 5, the
actions are ignored.
4.
One at a time, press and hold the Output 3 button and then the Output 4
button (figure 3-47) for approximately 2 seconds until each button begins to
blink. The output 3 and output 4 audio or RS-232 signals are muted.
Mute outputs one at a time.
Press and hold the Output 3 button.
3
2 seconds
Press and hold the Output 4 button.
4
2 seconds
Figure 3-47 — Mute the outputs
5.
One at a time, press and hold the Output 3 button and then the Output 4
buttons (figure 3-48) for approximately 2 seconds until each button returns
to its previous state. The output 3 and output 4 audio or RS-232 signals are
unmuted.
Unmute outputs one at a time.
Press and hold the Output 3 button.
3
2 seconds
Press and hold the Output 4 button.
4
2 seconds
Figure 3-48 — Unmute the outputs
MTPX Plus Twisted Pair Matrix Switchers • Operation
Press the Audio button
I / O
to toggle on and off.
VIDEO
AUDIO
The button lights red
when selected.
5
6
7
8 15 16
The button blinks red from the amber
3
background to indicate that the
audio or RS-232 output is muted.
The button blinks red from the amber
4
background to indicate that the
audio or RS-232 output is muted.
The button returns to its previous indication
3
(either lit red, background illuminated, or
unlit) to indicate that the output is unmuted.
The button returns to its previous indication
4
(either lit red, background illuminated, or
unlit) to indicate that the output is unmuted.
O
U
T
P
U
T
S
3-33
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