
3-39
MTPX Plus Twisted Pair Matrix Switchers • Operation
1 2 3 4 5 6 7 8 15 16
17 18 19 20 21 22 23 24 31 32
O
U
T
P
U
T
S
VIEW
•
•
•
Press the View button to decrease the input
audio level by 1 dB per button push.
The output buttons display the selected input's
audio level and polarity (gain or attenuation).
Each output button indicates 1 dB when lit.
When the buttons are lit green, they indicate a
gain (+) audio level.
When the output buttons are lit red, they
indicate an attenuation (-) level.
In this example, the output buttons display an
audio attenuation level of -1 dB.
Red
Unlit
Unlit
Figure 3-55 — Adjust the input audio level
Figure3-56showsthesamelevel(–1dB)asingure3-55,butdisplayedona
16-output-buttonswitcher,suchasaMTPXPlus1616.
1
2
3
4
5
6 7
8
9
15
16
OUTPUTS
In this example, the output buttons display an audio gain level of -1 dB.
Blinking
Red
Unlit
Figure 3-56 — Level display on a 16-output-button switcher
5. Press and release the Audio button (figure 3-57).
I / O
VIDEO AUDIO
The Audio button stops
blinking and lights.
Press the Audio button
to exit audio mode.
All input buttons and output buttons
return to unlit or background illumination.
The Video button
lights green.
Figure 3-57 — Deselect Audio mode