Honeywell 8680i Series, Руководство пользователя

Страница: 68 / 252

54 8680i User Guide
For example, you may be using the 8680i in a retail setting to read U.P.C. symbols,
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 Sym-
bology 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 8680i ignores
it for a set period of time (see
Preferred Symbology Time-out on page 55) 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 8680i
reads any bar code in its view (low priority or unspecified). If there is no bar code in
the 8680i’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.
Scan a bar code below to enable or disable Preferred Symbology. Default = Pre-
ferred Symbology Off.
High Priority Symbology
To specify the high priority symbology, scan the High Priority Symbology bar code
below. On the Symbology Charts on page 221, find the symbology you want to set
as high priority. Locate the hex value for that symbology and scan the 2 digit hex
value by scanning digits, then the
Save bar code from the Programming Chart on
page 235. Default = None
Low Priority Symbology
To specify the low priority symbology, scan the Low Priority Symbology bar code
below. On the Symbology Charts on page 221, find the symbology you want to set
as low priority. Locate the hex value for that symbology and scan the 2 digit hex
value from the
Programming Chart on page 235.
Preferred Symbology On
* Preferred Symbology Off
High Priority Symbology