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Preferred Symbology

The sled can be programmed to specify one symbology as a higher priority over

other symbologies in situations where both bar code symbologies appear on

the same label, but the lower priority symbology cannot be disabled.

For example, you may be using the sled in a retail setting to read U.P.C. sym-

bols, but have occasional need to read a code on a drivers license. Since some

licenses have a Code 39 symbol as well as the PDF417 symbol, you can use

Preferred Symbology to specify that the PDF417 symbol be read instead of the

Code 39.

Preferred Symbology classifies each symbology as high priority, low priority,

or as an unspecified type. When a low priority symbology is presented, the

sled ignores it for a set period of time (see Preferred Symbology Time-out on

page 2-5) while it searches for the high priority symbology. If a high priority

symbology is located during this period, then that data is read immediately.

If the time-out period expires before a high priority symbology is read, the sled

will read any bar code in its view (low priority or unspecified). If there is no bar

code in the sled’s view after the time-out period expires, then no data is

reported.

Note: A low priority symbol must be centered on the aiming pattern to be read.

* Centering Off

Top of Centering Window

Bottom of Centering Window

Left of Centering Window

Right of Centering Window

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ClearOne V-There 2100 Guide de l'utilisateur Page 16