Extron electronics CrossPoint 450 Plus 2412 HV, Руководство пользователя

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Operation, cont’d
CrossPoint / MAV Matrix Switchers • Operation
3-50
4 . Press and release the Esc ( > ) button once (figure 3-71) to increase the volume
by 1.5%.
Press and release the Esc ( > ) button several more times (figure 3-71) to
increase the volume by 1.5% per button press. Note the input button
indication changes that occur each time the Esc ( > ) button is pressed and
released.
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.
Figure 3-71 show the result of pressing the Esc ( > ) button a total of 13 times
from the volume displayed in figure 3-68.
ESC
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•
•
•
1 2 3 4 12 13 14 15 16
17 18 19 27 28 29 30 31 32
I
N
P
U
T
S Decrease the audio
attenuation (thereby
increasing the audio level)
that is applied to the
output volume level by
1 dB per button push.
The input buttons display the selected output's audio volume level.
Each lit input button beyond input 1 indicates 3 percent of the total
input volume is applied to the output.
In this example, the
green input buttons display 61 percent of the
applied audio input.
The
unlit input buttons indicate an audio volume attenuation of 26 dB.
26 dB attenuation,
61% volume
Press the Esc button
Figure 3-71 — Adjust the output audio volume
Figure 3-72 shows the same volume (61%) as in figure 3-71, but displayed on a
16-input-button switcher, such as an CrossPoint Ultra 168 HVA.
INPUTS
11 16 2 1 3 4 5 6 7 8 9 10 14 12 13 15
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•
•
Lit Buttons
Unlit Buttons
Blinking Button
The input LEDs display the selected output’s audio volume level.
In this example, the lit/blinking input buttons indicate 59.5 to 62.5 percent of the applied audio input.
The unlit/blinking input buttons indicate an audio volume attenuation of 25 dB to 27 dB.
-26 dB attenuation
61% volume
Figure 3-72 — Volume display on a 16-input-button switcher