Sharp IV-S30J User Manual page 102

Compact image sensor camera
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Setting the measurement conditions
DTECT PRECISON
Select detection precision. You can select
one of two levels (standard/high), according
to your conditions, the desired precision level
for detection results, and the detection speed.
For details, see page 3-10.
REGISTER NO.
16 registers are available for the degree of
match inspection (Registers 0 to 15).
If you want to set the measurement
conditions for a different register number,
press the SET key to highlight the register
number currently selected. Then press the up
and down arrow keys to select the register
number whose measurement conditions you
want to set. Press the SET key to confirm
your selection.
MODE
Select a detection mode.
Detail of each mode are as follows.
M
O
D
E
N
O
(
N
o
n
) e
1
P
S -
C
H
1 (
p -
i o
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a
c r
) h
2
P
S -
C
H
2 (
p -
i o
t n
s
e
a
c r
) h
Gray search
See page 3-9.
SEARCH
Specify whether or not to use the search function.
MATCHING
Select a density for comparison when inspecting the image. The details are as follows.
Average
Obtain average light level of the image in the area detected using the gray search.
light level
Calculate the difference of the absolute values from the image detected using the
gray search and the reference image. The result is light level difference. By
Difference
obtaining this value, you can get an idea of the total change in light level.
absolute
Total light level difference = S (Ni — Nt)
value
Ni : Light level of the captured image (contraction 3)
Nt : Light level of the reference image (contraction 3)
REGISTER NO. (
MDL 0,
The specified modes are displayed for each register number on these lines. When a 1-point
search is specified, only "
"
MDL 1" is also available. The "S" in the table indicates a gray search. "X" means not used.
An example of mode selection
REGISTER NO.
6MDL0
7MDL1
D
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Description
MDL 1)
MDL 0" will be available. When a 2-point search is specified,
REGISTER00 : 1P-SCH
REGISTER01 : 2P-SCH
5-3
Degree of Match Inspection
MEAS CND
SCREEN COND SAVE
1DTECT PRECISION STANDARD
2
00(0 15)
3
2P-SCH
4SEARCH
YES
5MATCHING
AVG-GRAYS
6
7
AVG-GRAYS
DIFF.ABS
SET=SELECT A MENU FOR ESC=BACK SEL=CHNG IMG TRG=FUNC
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Gray search
No setting
F C1 BRT
STANDARD
NO
HIGH
1P-SCH
2P-SCH
YES
NO
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5

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