Extron electronic MAV Plus - Manual (Page 62)

Operation, cont’d
CrossPoint 450 Plus and MAV Plus Switchers • Operation 3-32
PRELIMINAR
Y
6. Press and release the View button to exit View-Only mode (fi gure 3-52).
VIEW All input buttons and output buttons
return to unlit or background illumination.
Press the View button
to exit View-Only mode.
The View button returns to
unlit or background
illumination.
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.
Audio
Inputs
Audio
Inputs
VCR
No noticeable
volume differences
between sources
Audio System
CD Jukebox
MAV Plus 6464
Audio BME (BME 1)
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
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
POWER SUPPLY PRIMARY REDUNDANT
I/O CONFIG
MAV PLUS SERIES
AUDIO MATRIX SWITCHER
MAV Plus 6464
Video BME (BME 0)
ENTER PRESET VIEW ESC AUDIO VIDEO
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13
17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 29
33 34 35 36 37 38 39 40 41 42 43 44 46 47 48 45
49 50 51 52 53 54 55 56 57 58 59 60 62 63 64 61
ENTER PRESET VIEW ESC AUDIO VIDEO ENTER PRESET VIEW ESC AUDIO VIDEO
I
N
P
U
T
S
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13
17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 29
33 34 35 36 37 38 39 40 41 42 43 44 46 47 48 45
49 50 51 52 53 54 55 56 57 58 59 60 62 63 64 61
O
U
T
P
U
T
S
CONTROL I/O
POWER SUPPLY PRIMARY REDUNDANT
I/O CONFIG
MAV PLUS SERIES
VIDEO MATRIX SWITCHER
Figure 3-53 — 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 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.
4. Press and release the Esc ( > ) and View ( < ) buttons to increase and decrease
the audio level by 0.5 dB per push of the button.