Viewing And Adjusting The Input Audio Level (Systems With Audio Bmes) - Extron electronics CrossPoint 450 Plus Series User Manual

Operation, cont'd
6.
Figure 3-52 — Press the View button to exit View-Only mode
Viewing and adjusting the input audio level (systems with
audio BMEs)
In systems that include a MAV Plus audio BME, 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 (fi gure 3-53). The audio level can
be adjusted from the front panel incorporated in BME 0 or under RS-232/RS-422 or
Ethernet control.
dBu
+24
+21
+19
+16
+13
+10
+7
+4
+1
-2
-5
-8
-12
-15
-18
Low Audio
Output Level
dBu
+24
+21
+19
+16
+13
+10
+7
+4
+1
-2
-5
-8
-12
-15
-18
High Audio
Output Level
Figure 3-53 — Audio gain and attenuation
1.
2.
3.
4.
CrossPoint 450 Plus and MAV Plus Switchers • Operation
3-32
Press and release the View button to exit View-Only mode (fi gure 3-52).
Press the View button
to exit View-Only mode.
All input buttons and output buttons
VIEW
return to unlit or background illumination.
The View button returns to
unlit or background
illumination.
VCR
Audio
VU
21
Inputs
18
15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
12
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
9
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
6
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
3
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
-3
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
-6
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
-9
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
-12
-15
MAV Plus 6464
-18
-21
Video BME (BME 0)
VU
21
18
15
12
9
6
3
MAV Plus 6464
Audio
0
-3
Audio BME (BME 1)
Inputs
-6
-9
-12
-15
-18
-21
CD Jukebox
Press the Esc button to clear any input buttons, output buttons, or control
buttons that may be lit.
To enter Audio mode, press and hold the Audio button until the button begins
to blink red, then release the button.
Press and release an input button to select an input. The output buttons
display audio level and polarity (+ or –) for the selected input. Each lit output
button indicates 1 dB of gain or attenuation. Green output buttons indicate a
gain (+) audio level and red buttons indicate an attenuation (–) level.
Press and release the Esc (
the audio level by 0.5 dB per push of the button.
dBu VU
+24 21
I
N
P +21 18
U
T
S
+19 15
CONTROL I/O +16 12
ESC ESC ESC
ENTER ENTER ENTER PRESET PRESET PRESET VIEW VIEW VIEW VIDEO VIDEO VIDEO AUDIO AUDIO AUDIO
+13 9
+10 6
POWER SUPPLY
I/O CONFIG
O
PRIMARY
U
T
REDUNDANT
P +7 3
U
T
S
+4 0
MAV PLUS SERIES +1 -3
VIDEO MATRIX SWITCHER
-2 -6
-5 -9
-8 -12
-12 -15
-15 -18
-18 -21
Output
Level
POWER SUPPLY
I/O CONFIG
PRIMARY
REDUNDANT
MAV PLUS SERIES
AUDIO MATRIX SWITCHER
No noticeable
volume differences
between sources
> <
) and View ( ) buttons to increase and decrease
Audio System