Offset And Gain Adjustments - Dalsa Stop Action 4M30 User Manual

4M Stop Action Camera Manual

3.7 Offset and Gain Adjustments

Se
Purpose:
Syntax:
Syntax Elements:
Notes:
Example:
Factory Calibrated Analog Gains
The camera has a factory calibrated analog gain setting. Adjustment of analog gain is not
available to the user, however, digital gain is available as set system gain
The calibration is applicable to exposure mode
exposure mode
DALSA
PRELIMINARY
tting Analog Offset
Sets the analog offset. The analog offset should be set so that it is at
least 3 times the rms noise value at the current gain. The analog
offset is factory calibrated and is applicable to exposure mode
sem 2/4 but no calibration is assumed for exposure mode
sem 3/7.
sao t i
t
i
•
The offset increases linearly with highe
does not equal an offset of 100DN.
•
Entering a large value offset will cause the
saturate
•
The resulting analog offset value depends on other camera
parameters such as temperature, frame rate, and exposure
mode.
•
The upper input limit of the offset remains the same regardless
of the exposure mode.
•
The lower inpu
for sem 2/4 i
sao 0 20
.
sem 3/7
Tap selection. Allowable value is 0 for
Analog offset valu e. Extreme range is 0 -511 but dynamic
range is dependent of the camera's current exposure mode
and gain settings.
the output image.
t limit of the offset for sem 3/7 is set at 24 and
s set at 0.
sem 2/4
all taps.
r values. A value of 100
camera to digitally
.
ssg
but no calibration is assum
03-32-10121-09
39
ed for