Operation
14 QuickScan
®
L
Depth of Field
Figure 7 shows the zone in which bar codes are read by the scanner.
Figure 7. Depth of Field Chart
Maintenance
Periodic cleaning of the scan window is the only maintenance required. A dirty window may
affect scanning ability.
• Do not allow any abrasive material to touch the scanner.
• Remove any dirt particles with a soft, lint-free cloth lightly dampened with water.
• Gently wipe the window using a lens tissue moistened with ammonia/water.
• Do not spray water or other cleaning liquids directly onto the scanner or window.
• If the scan window becomes scratched, broken or contaminated with heavy dust, replace
with a new window, which is available as an orderable accessory.
NOTE: Typical performance at 73° F (23°C) on
high quality bar codes in normal room light.
0
6
6
5
10015
5 mil
0.4" 5.5"
7.5 mil
0.1" 7.8"
10 mil
*
8.6"
13 mil
100% UPC
9.1"
20 mil
10.6"
DEPTH OF FIELD
* Minimum distance determined by bar code length and scan angle
W
I
D
T
H
O
F
F
I
E
L
D
in. cm
0
15.24
15.24
12.7
25.40 38.1
in.
cm
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