Appendices
H-30
MicroHAWK V320-F / V330-F / V420-F / V430-F Barcode Reader User Manual
Contrast
Contrast Threshold
Min Reflectance
Min Reflectance Threshold
Usage: Lets the user know if symbol quality is less than acceptable.
Definition: If enabled, drives
Output
if grade is under
Contrast Threshold.
Serial Cmd: <
K880,
output on overall grade, overall grade threshold, edge determination,
edge determination threshold, decode, decode threshold,
contrast,
contrast
threshold, min reflectance, min reflectance threshold, min edge contrast, min
edge contrast threshold, modulation, modulation threshold, defects, defects
threshold, decodability, decodability threshold, quiet Zone, quiet zone
threshold >
Default: Disabled
Options: 0 = Disabled 1 = Enabled
Usage: Sets the threshold for driving the output.
Definition: Conforms to ISO/IEC 15416 symbol quality grading (A,B,C,D).
Serial Cmd: <
K880,
output on overall grade, overall grade threshold, edge determination,
edge determination threshold, decode, decode threshold, contrast,
contrast
threshold,
min reflectance, min reflectance threshold, min edge contrast, min
edge contrast threshold, modulation, modulation threshold, defects, defects
threshold, decodability, decodability threshold, quiet Zone, quiet zone
threshold >
Default: Grade B
Options: 0 = Grade D
1 = Grade C
2 = Grade B
3 = Grade A
Usage: Lets the user know if symbol quality is less than acceptable.
Definition: If enabled, drives
Output
if grade is under
Min Reflectance Threshold.
Serial Cmd: <
K880,
output on overall grade, overall grade threshold, edge determination,
edge determination threshold, decode, decode threshold, contrast, contrast
threshold,
min reflectance,
min reflectance threshold, min edge contrast, min
edge contrast threshold, modulation, modulation threshold, defects, defects
threshold, decodability, decodability threshold, quiet Zone, quiet zone
threshold >
Default: Disabled
Options: 0 = Disabled 1 = Enabled
Usage: Sets the threshold for driving the output.
Definition: Conforms to ISO/IEC 15416 symbol quality grading (A,B,C,D).
Serial Cmd: <
K880,
output on overall grade, overall grade threshold, edge determination,
edge determination threshold, decode, decode threshold, contrast, contrast
threshold, min reflectance,
min reflectance threshold,
min edge contrast,
min edge contrast threshold, modulation, modulation threshold, defects,
defects threshold, decodability, decodability threshold, quiet Zone, quiet zone
threshold >
Default: Grade B
Options: 0 = Grade D
1 = Grade C
2 = Grade B
3 = Grade A