Extron electronics CrossPoint 450 Plus 2412 HV, User Manual

Page: 82 / 214

Operation, cont’d
CrossPoint / MAV Matrix Switchers • Operation
3-38
Viewing and adjusting the input audio level (audio models)
On models with audio, the audio level of each input can be displayed and adjusted
through a range of -18 dB to +24 dB to ensure that there is no noticeable volume
difference among sources (figure 3-56). The audio level can be adjusted from the
front panel or under serial port or Ethernet control. The default audio level is 0 dB.
Audio
Inputs
Audio
Inputs
VCR
No noticeable
volume differences
between sources
Audio System
CD Jukebox
Crosspoint 450 Plus 3232
0
-3
-6
-9
-12
-15
Low Audio
Output Level
+4
+1
-2
-5
-8
-12
-18
-21 -15
-18
3 +7
6 +10
9 +13
12 +16
15 +19
18 +21
21 +24
VU dBu
0
-3
-6
-9
-12
-15
High Audio
Output Level
+4
+1
-2
-5
-8
-12
-18
-21 -15
-18
3 +7
6 +10
9 +13
12 +16
15 +19
18 +21
21 +24
VU dBu
I
N
P
U
T
S
O
U
T
P
U
T
S
C O N T R O L I / O
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
POWER SUPPLY
PRIMARY
REDUNDANT
0
-3
-6
-9
-12
-15
Output
Level
+4
+1
-2
-5
-8
-12
-18
-21 -15
-18
3 +7
6 +10
9 +13
12 +16
15 +19
18 +21
21 +24
VU dBu
CROSSPOINT PLUS SERIES SWITCHER
WITH
ADSP
PRESET ENTER
ESC
RGBHV
VIEW
AUDIO
Figure 3-56 — Audio gain and attenuation
1
. Press the Esc button to clear any input buttons, output buttons, or control
buttons that may be lit.
2 . To enter Audio mode, press and hold the Audio button until the button begins
to blink red, then release the button.
3 . Press and release an input button to select an input. The output buttons
display the audio level and polarity (+ or –) for the selected input; the more
output LEDs lit, the greater the gain or attenuation. Green output buttons
indicate a gain (+) audio level and red output buttons indicate an attenuation
(–) level.
Audio gain and attenuation is displayed differently on different models.
• Switchers with 32 output buttons — Each output button indicates 1 dB
when lit. See the table on page 3-40.
• Switchers with 16 output buttons — Each output button indicates 1 dB
when blinking and 2 dB when lit. See the table on page 3-41.
• Switchers with 8 output buttons — Each output button indicates 1 dB
when blinking slowly, 2 dB when blinking quickly, and 3 dB when lit.
See the table on page 3-41.
4 . Press and release the Esc ( > ) and View ( < ) buttons to increase and decrease
the audio level.