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4M30 Camera User's Manual
Table 16: Default values in effect after reset
Feature
Frame Rate (fps)
Integration Time (ms)
Video Gain
Pixel Offset
Trigger Mode
Integration Control
Data Rate (MHz)
3.9 Adjusting Gain
Video gain is adjustable from 1.0 to 10.0 by writing a 16 bit value as an MS and LS byte
(only the 14 most significant bits of this value are actually used). The amplifier used for
gain control has a ranger of 40 dB, which equates to an adjustment increment of 0.00244
dB (40dB/2
Example: Set Channel 1 to 2.5x Gain
Use these command/value pairs set the camera to 2.5x gain (you must write both MSB
and LSB values to all four ADC channels).
Binary
Hex
DALSA
4M30 Default
External Cntrl
External Cntrl
1x
50 DN
External
External
4x40
14
). The camera gain value is calculated according to the following equation:
Value # 27306*log
(Gain)
10
Where 1.0 d Gain d 10.0
# 27306 u log
Value
(2.5)
10
Value
= 10866
= 2A72h
Write MSB
Command
0000 0110
06h
Write LSB
Value
Command
0010 1010
0000 0101
2Ah
05h
Value
0111 0010
72h
03-32-10030-03
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