Symbol PDT 7500 Series Product Reference Manual page 87

3. If the pattern is parallel to the symbol's rows, the pattern spreads vertically to cover
the symbol
symbol, pull the scanner back until it does.
3/4"
Figure 7-3. Scanning Pattern Spreading Over 2-D Bar Code
The scanner has successfully decoded the symbol when the green LED lights and 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). See the 1-D/2-D Scan
Element Decode Zones.
Hold the scanner close for denser symbols (not less than 2 inches).
!
(Figure 7-3). If the pattern does not cover the top and bottom of the
Operating the Scanner
3/4"
7-7