3-33
MTPX Plus Twisted Pair Matrix Switchers • Operation
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T
P
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T
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I / O
VIDEO AUDIO
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.
Press the Audio button
to toggle on and off.
The button lights red
when selected.
Video cannot be
muted. The lit
status of the button
is unimportant.
Red
Amber
Unlit
Figure 3-46 — Select audio only
N
OutputmutesareprotectedwhenfrontpanelLockmode2isselected.You
can view the mutes in Lockmode2butyoucannotchangethemfromthefront
panel.See“SettingthefrontpanelLocks(Executivemodes)”onpage3-46.
IffrontpanelLockmode2isselectedandyoutrytoperformsteps4 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.
3
4
3
4
The button blinks red from the amber
background to indicate that the
audio or RS-232 output is muted.
The button blinks red from the amber
background to indicate that the
audio or RS-232 output is muted.
Mute outputs one at a time.
2 seconds
2 seconds
Press and hold the Output 3 button.
Press and hold the Output 4 button.
Figure 3-47 — Mute the outputs
5. One at a time, press and hold the Output 3 button and then the Output 4
buttons(gure3-48)forapproximately2secondsuntileachbuttonreturns
to its previous state. The output 3 and output 4 audio or RS-232 signals are
unmuted.
3
4
3
4
Unmute outputs one at a time.
2 seconds
2 seconds
Press and hold the Output 3 button.
Press and hold the Output 4 button.
The button returns to its previous indication
(either lit red, background illuminated, or
unlit) to indicate that the output is unmuted.
The button returns to its previous indication
(either lit red, background illuminated, or
unlit) to indicate that the output is unmuted.
Figure 3-48 — Unmute the outputs
