BEL BM-A1-S User Manual page 21

BEL DIGITAL AUDIO
Red zone data
The numerical value of the five bits of the red zone data corresponds to the length of the red
zone. The origin of the red zone if the top of the bar graph.
Amber zone data
The numerical value of the five bits of the red zone data corresponds to the length of the
amber zone. This zone is 'attached' to the bottom of the red zone.
Bar type
These 3 bits select the bar ballistics and type.
Code
000
001
010
011
100
101
Bar peak indicator
These two bits select the peak indicator timing.
Code
00
01
10
11
AES offset
This bit selects the bar graph offset when AES is input to an analog bar graph.
Code
0
1
 2004 BEL (Digital Audio) Ltd
BM-A1-S
Bar type
AES
DIN
VU
BBC
Extended VU
Nordic
Time
No peak indicator
3 Second hold time
7 Second hold time
Indefinite hold time
Function
-18dB
-20dB
18
BM-A1 serial protocol
Version 0.3