Extron electronics MTPX Plus Series, Руководство пользователя

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Operation, cont’d
MTPX Plus Twisted Pair Matrix Switchers • Operation
3-38
3 . Press and release the Input 5 button (figure 3-53).
Press and release the Input 5 button.
The button lights green.
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
gain level of +8 dB.
Green
Unlit
Unlit
1 2 3 4 5 6 7 8 15 16
17 18 19 20 21 22 23 24 31 32
1 2 3 4 5 6 7 8 5 16
17 18 19 20 21 22 23 24 2 1 32
I
N
P
U
T
S
O
U
T
P
U
T
S
•
•
The output buttons display the selected input’s audio level
and polarity (gain or attenuation).
Figure 3-53 — Select an input
Figure 3-54 shows the same level (+8 dB) as in figure 3-53, but displayed on a
16-output-button switcher, such as an MTPX Plus 816.
1
2
3 4 5 6 7
8 9 15 16
OUTPUTS
In this example, the output buttons display an audio gain level of +8 dB.
Green Unlit
Figure 3-54 — Level display on a 16-output-button switcher
4 . Press and release the View ( < ) button once (figure 3-55) to decrease the input
audio level by 1 dB.
Press and release the View ( < ) button several more times (figure 3-57) to
decrease the input audio level by 1 dB per button press. Note the output
button indication changes that occur each time the View ( < ) button is pressed.
Figure 3-55 shows the result of pressing the View ( < ) button a total of nine
times. Note that the level is now displayed in red to indicate a negative level.