9
V500-R521B2/C2
User’s Manual
In
tr
od
uc
tion
Introduction
7. Mutual interference
When mounting the bar code readers side-by-side, laser beams may interfere reading
each other. The bar code readers should be placed far enough not to affect reading.
8. Bar code label
•
The height of the bar code should be more than the luster scan width (max. 10 mm)
and use a label considering attaching error.
•
When reading bar code, margin is necessary on the both sides of the bar code. Set
the label so that margin parts do not hide. A space of one character or more and 2.5
mm or more is necessary of both right and left side of the label. (Rough standard: 12
or 13 times or more of the narrow bar width)
9. To improve reading reliability
•
When the digit is determined, designate the digit to use the bar code.
•
Use the modulus check (addition of check digit).
•
Bar codes other than the reading object should be set to reading prohibition.
p.61
10. Maintenance and check
•
Check for any dust or dirt on the reading window regularly. When it is dirty, wipe with
a dry, soft and clean cloth. Do not use solutions such as thinner.
•
Handle with care, not to apply strong shock such as dropping.
Bar code
Bar code
Margin
Label
(Paper which a bar code is printed on)
Narrow bar
(Slim lines)
Height
Margin
Width
V500-R521.book 9 ページ ２００８年７月１８日 金曜日 午後１時１分
