Extron electronics VGA MATRIX SWITCHERS MVX PLUS 128, Руководство пользователя

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Operation, cont’d
MVX Plus 128 VGA Matrix Switchers • Operation
3-32
PRELIMINAR
Y
3 . Press and release the Input 5 button (fi gure 3-56).
INPUTS
1 2
3 4 5 6 7 8
9
OUTPUTS
1 2 3 4 5 6 7 8
Press and release the Input 5 button.
The button lights green.
The output buttons display the selected input's audio level and polarity (gain or attenuation).
Each button indicates: 1 dB when blinking slowly,
2 dB when blinking quickly,
3 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 Green Green
= Unlit button = Fast blinking button
F
F
Figure 3-56 — Select an input
4 . Press and release the View ( < ) button once (fi gure 3-57) to decrease the input
audio level by 1 dB.
Press and release the View ( < ) button several more times (fi gure 3-57) to
decrease the input audio level by 1 dB per button push. Note the output
button indication changes that occur each time the View (
< ) button is pressed.
Figure 3-57 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.
VIEW
OUTPUTS
1 2 3 4
5
6 7 8
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 button indicates: 1 dB when blinking slowly,
2 dB when blinking quickly,
3 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.
1
Red
= Slowly blinking button
S
S
Figure 3-57 — Adjust the input audio level