Extron electronics CrossPoint 450 Plus 3248 HV, User Manual

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CrossPoint 450 Plus and MAV Plus Switchers • Operation
4 . Change the input level : Press and release the View ( < ) button once to
decrease the input audio level by 0.5 dB.
Press and release the View ( < ) button several more times to decrease
the input audio level by 0.5 dB per button press. Note the output
button indications that change each time the View ( < ) button is pressed.
The figure below shows the result of pressing the View (
<
) button a total of
17 times. Note that the level is now displayed in red to indicate a negative
(attenuation) level.
VIEW
17 18 19 20 21 22 23 24
1 2 3 4 5 6 7 8
25
9
26
10
27
11
O
U
Press the View button to decrease the input
audio level by 0.5 dB per push of the button.
•
•
•
The output buttons display the
selected input's audio level and
polarity (gain or attenuation).
Each output button indicates 0.5 dB
when flashing and 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.
N
You can press and hold the Esc ( > ) or View ( < ) button to ramp the level up or
down by 3 dB per second to the high or low limit.
5 . Exit Audio mode: Press and release the Audio button.
I / O
RGBHV 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 RGBHV or Video
button lights
green.