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Tamarisk
®
320
Software ICD
44
3
0x02
Parameters length.
4,5
unsigned integer
0 to 4095
AGC manual level value.
0
= minimum level
4095 (0x0FFF) = maximum level
6
checksum
Frame check sequence.
The minimum and maximum pixel values (X0 and X1) that the AGC will display are
centered around the manual level value. The separation between X0 and X1 is determined
by the manual gain value. X0 and X1 are calculated as follows:
X0 = level + ceil (-(4095 - gain)/2)
X1 = level + ceil ( (4095 - gain)/2) + 1
Response Format:
Table 84 – AGC Manual Level Set Response Format
Byte
Value
Description
1
0x01
Start of message.
2
0x02
ACK Response
3
0x02
Parameters length.
4, 5
0x0033
AGC Manual Level Set Command ID
6
checksum
Frame check sequence.
3.3.10 AGC Gain Bias Set – 0x82
Description
: Sets gain bias value. Gain bias is similar to a contrast control.
Command Format:
Table 85 – AGC Gain Bias Set Command Format
Byte
Value
Description
1
0x01
Start of message.
2
0x82
AGC Gain Bias Set Command ID.
3
0x02
Parameters length.
4,5
unsigned integer
0 to 4095
AGC gain bias value.
0
= minimum gain bias, gain factor = 0.25
2047 (0x7FF) = unity gain bias, gain factor = 1.0
4095 (0x0FFF) = maximum gain bias, gain factor = 4.0
6
checksum
Frame check sequence.