1M28, 1M75, and 1M150 User’s Manual
PRELIMINARY
17
DALSA
03-32-00525-04
Figure 10: Parameter adjustment procedure for LL2
START
Take a picture
Analyze the
overexposed areas
Phase 1
Take a picture
Find the center of gravity
of the histogram of the
overexposed areas
Center of
gravity of
histogram
Gray scale 160 <
< Gray scale 200
decrease
LL1
increase
LL1
Phase 2
Rough setting for COMP
Initial value = 5
Take a picture
Is the contrast in the
overexposed areas acceptable ?
too high
too low
Yes
decrease
COMP
increase
COMP
Rough settings LL1
Initial value LL1 = 62.5
Phase 3
LL1 = 0000h
LL2 = 0000h
TIME = 0