Extron electronics CrossPoint 450 Plus 2412 HV, User Manual

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3-43
CrossPoint / MAV Matrix Switchers • Operation
4 . Press and release the View ( < ) button once (figure 3-62) to decrease the input
audio level by 1 dB.
Press and release the View ( < ) button several more times (figure 3-62) 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 3-62 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.
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 3-62 — Adjust the input audio level
Figure 3-63 shows the same level (–1 dB) as in figure 3-62, but displayed on a
16-output-button switcher, such as a MAV Plus 1616 A.
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 3-63 — Level display on a 16-output-button switcher
Figure 3-64 shows the same level (–1 dB) as in figure 3-62, but displayed on a
8-output-button switcher, such as a CrossPoint Ultra 128 HVA.
1 2 3 4 5 6 7 8
OUTPUTS
In this example, the output buttons display an
audio gain level of -1 dB.
Slowly
Blinking Red
Unlit
Figure 3-64 — Level display on a 8-output-button switcher