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Input audio level adjustment displays
dB
24
1
2
3
4
5
6
23
1
2
3
4
5
6
22
1
2
3
4
5
6
21
1
2
3
4
5
6
20
1
2
3
4
5
6
19
1
2
3
4
5
6
18
1
2
3
4
5
6
17
1
2
3
4
5
6
F
16
1
2
3
4
5
6
S
15
1
2
3
4
5
6
14
1
2
3
4
5
6
F
13
1
2
3
4
5
6
S
12
1
2
3
4
5
6
11
1
2
3
4
5
6
F
10
1
2
3
4
5
6
S
9
1
2
3
4
5
6
8
1
2
3
4
5
6
F
7
1
2
3
4
5
6
S
6
1
2
3
4
5
6
5
1
2
3
4
5
6
F
4
1
2
3
4
5
6
S
3
1
2
3
4
5
6
2
1
2
3
4
5
6
F
1
1
2
3
4
5
6
S
0
1
2
3
4
5
6
= Unlit button
= Blinking button
= Slow blinking button
S
= Lit button
Green indicates a positive (gain) level,
red indicates a negative (attenuation) level.
MPX Plus 866 A Media Presentation Matrix Switcher • Operation
dB
24
7
8
23
7
8
F
22
7
8
S
7
8
21
20
7
8
F
7
8
19
S
7
8
18
17
7
8
7
8
16
15
7
8
7
8
14
7
8
13
12
7
8
7
8
11
10
7
8
7
8
9
7
8
8
7
7
8
7
8
6
7
8
5
7
8
4
7
8
3
7
8
2
7
8
1
7
8
0
= Fast blinking button
F
3-35
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