Extron-electronics MAV Plus series Large Scale User Guide Manual de usuario Pagina 67
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CrossPoint 450 Plus and MAV Plus Switchers • Operation
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, in 0.5 dB increments,
to ensure that there is no noticeable volume difference among sources (figure 3-5).
The audio level can be adjusted from the front panel or under serial port or
Ethernet port control. The default audio level is 0 dB.
Audio
Inputs
Audio
Inputs
VCR
No noticeable
volume differences
between sources
Audio System
C
D
J
ukebox
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
VUdBu
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 2 3
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 3-5 — Audio gain and attenuation
1. Press the Esc button to clear any front panel button indications that may be lit.
2. To enter Audio mode, press and hold the Audio button until the button starts
blinking red, then release it.
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; each output
button indicates 0.5 dB when flashing and 1 dB of gain or attenuation when
lit. 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.
5
. Press and release the Audio button to exit the Audio mode. The Audio button
stops blinking.
N
• Pressing the Enter or Preset button also exits Audio mode. Pressing the
Preset button changes to Recall Preset mode.
• There is one audio level setting per input. The audio level setting is shared
by the left and right audio inputs.
• The audio level settings are stored in non-volatile memory. When power is
removed and restored, the audio level settings are retained.
- CrossPoint 1
- 450 Plus Series 1
- MAV Plus series 1
- Precautions 2
- FCC Class A Notice 3
- Table of Contents 5
- Table of Contents, cont’d 10
- Chapter One 11
- Introduction 12
- BME COMM 13
- Introduction, cont’d 14
- Features 15
- Chapter Two 19
- Installation 20
- Mounting instructions 21
- Installation, cont’d 22
- Unbalanced Stereo Input 23
- Balanced Stereo Input 23
- BME connection and selection 25
- RS-232/RS-422 27
- Reset button 29
- Front Panel Configuration Port 31
- Chapter Three 33
- Operation 34
- CROSSPOINT 450 PLUS SERIES 35
- Operation, cont’d 36
- ENTER PRESET 38
- I/O control buttons 41
- 29 28 30 31 32 43
- Creating a configuration 45
- 1 2 3 4 5 6 7 8 46
- Input 5 video and audio tied 47
- The button flashes once 53
- I/O grouping 55
- 2 seconds 57
- Using presets 61
- VIDEO AUDIO 65
- (systems with audio BMEs) 67
- RGBHV AUDIO 69
- Reading the displayed volume 71
- VIDEO AUDIO 75
- 17 18 19 77
- Rear Panel Operations 79
- Blank configuration worksheet 87
- Chapter Four 89
- Programmer’s Guide 90
- Front panel Configuration port 91
- Establishing a connection 93
- Connection Timeouts 93
- Number of connections 93
- Using Verbose Mode 93
- Switcher Error Responses 95
- Programmer’s Guide, cont’d 100
- Command ASCII command 101
- Response 101
- Additional 101
- (switcher to host) 108
- (host to switcher) 108
- Symbol definitions 109
- Special Characters 111
- Chapter Five 113
- Matrix Software 114
- Ethernet protocol settings 115
- Matrix Software, cont’d 116
- Address and Name fields 121
- Hardware Address field 121
- Use DHCP check box 121
- Sync Time to PC button 123
- Use Daylight Saving check box 123
- Updating firmware 125
- Windows menus 131
- Green — Proper operation 133
- Red — Component has failed 133
- Master-Reset selection 135
- Chapter Six 139
- HTML Operation 140
- Status Tab 141
- System Status 142
- Passwords 143
- Firmware Upgrade 143
- Email Settings 143
- HTML Operation, cont’d 144
- Date/Time Settings fields 145
- System Settings 146
- Email settings 148
- Control Tab 151
- RGBHV and Audio Settings page 153
- Global Presets page 159
- Appendix A 161
- Ethernet Connection 162
- Ethernet Connection, cont’d 164
- Connecting as a Telnet client 165
- Subnetting — A Primer 167
- Appendix B 169
- Video output 170
- Control/remote — switcher 171
- Video output — video BMEs 172
- Audio input — audio BMEs 173
- Audio output — audio BMEs 173
- Reference Information, cont’d 174
- Part Numbers and Accessories 175
- BME part numbers 177
- Included parts 179
- Replacement parts 179
- Terminated cable assemblies 181
- Button label blanks 183
- Inside rear cover: 185
- Outside rear cover: 186
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