1-8 PowerScan
®
7000
Linear Bar Codes —
To scan a linear bar code, center the illumination
beam over the bar code as shown in
Figure 3a. The scanner must “see”
across the width of all of the bars. Move the scanner further away from
the bar code to increase the scanning coverage area, and closer in to read
very small bar codes.
Stacked Bar Codes —
Stacked bar codes are read by holding in on the
trigger and moving the illumination beam in a smooth motion over the
bar code from top to bottom as shown in
Figure 3b. That motion should
be slow as well, since moving very fast will cause individual rows of the
stacked code to be overlooked, and will require extra sweeps to capture.
You will hear a series of ticks, followed by a final beep when the bar
code’s content has been completely decoded. You may need to sweep the
bar code several times in order to complete the read. Sweeps may be
made either from top-to-bottom or bottom-to-top.
Figure 3. Scanning Bar Codes
Decrease...
a
b
...or Increase distance
from bar code to adjust
aiming beam width to
cross all bars.
Sweep stacked bar codes
slowly and smoothly from
top to bottom (or bottom to top).
Stacked
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