Scan The Entire Bar Code Symbol - Symbol Series 3100 Product Reference Manual

3/4"
Figure 4-9. Scanning Pattern Spreading Over PDF417 Bar Code
The scanner has successfully decoded the symbol when:
•The green LED lights.
•You hear a short, high tone beep.

Scan the Entire Bar Code Symbol

• The larger the symbol, the farther away you should hold the scanner to permit
the raster pattern to cover the symbol (but not more than 8 inches). Refer to 1-D/
PDF417 Scan Element Decode Zones.
• Hold the scanner close for denser symbols (not less than 2 inches).
• In all cases, make sure the scan pattern extends at least 3/4 inch beyond each edge
of the bar code.
Operating the Series 3100/3500
3/4"
4-27