bel Digital Audio 2120B, Руководство пользователя

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BEL DIGITAL AUDIO Bel2120B

2004 BEL Digital Audio Ltd.
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General data format
The send and request general data (8F, 90) commands communicate most
switch settings to PC and 2120. The format for these is:
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Byte 0 Msb of
bit 4
Input for
out 3
Matrix
mode
Msb of
bit 2
Input for
out 2
matrix
mode
Msb of
bit 0
Input for
out 1
matrix
mode
Byte 1 Msb of
bit 5
Current
output
Msb of
bit 3
Current
input
Msb of
bit 0
Input for
out 4
Matrix
mode
Byte 2 Video
mode Msb of
bit 4
Left
monitor
source
Remote
Lock
Byp Mat Fad
Byte 3 Msb of
bit 4
Output
SDI
group
Msb of
bit 2
Input
SDI
group
Msb of
bit 0
Right
monitor
source
Byte 4 Msb of
bit 3
3,4 Input
source
Msb of
bit 0
1,2 Input
source
Byte 5 Xfade SDI
3,4output
source
SDI 1,2
output
source
Dual
mode Mat mix
mode
Analogue
output
source
AES
output
source
it 6 Bit 5 B
t 4
Bit 3 Bit 2 Bit 1 Bit 0
Gain value format
.
The data sent or received as gain values are formatted as follows: -
Channel one first.
Gain range +10dB to –30 dB value = 50 to 10 respectively
Value of 9 mutes that channel.
Where more than one bit is required such as Group number, the second bit is
labeled Msb of bit n.
RS422 format : 8 data bits, no parity, two stop bits, 9600 Baud.
.