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Q u i c k
3. As the raster pattern spreads, keep the pattern in the same hor-
izontal plane as the bar code. Be sure the pattern extends
about 3/4" beyond both sides of the bar code.
3/4"
4. The terminal indicates a successful scan by changing the LED
from red to green, beeping one or more times, and/or display-
ing the bar code data on the screen.
"Tall" PDF Bar Codes
If the PDF417 symbol is "tall," the vertical scan pattern may not be
high enough to cover it.
In this case, try a slow "up and down" scanning motion. With the
raster pattern open, move the scanner slowly down toward the
bottom of the symbol, keeping the beam horizontal to the rows, and
then slowly back up toward the top.
R e f e r e n c e
11
3/4"
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