Aml KDT750 Price Verification System Manuale Utente Scaricare il pdf (Pagina 35)

KDT750 APL Guide

5 - 7

Special Text Fields

Two special field names exist: the PRC field and the DES field. These fields are predefined

with certain enhancements to allow more flexibility in “price+description” environments.

PRC Field Fonts

The PRC field uses PNG format graphics to display the numbers, decimal point and currency

mark. Portable Network Graphics (PNG) format is used because it supports transparency,

allowing for customization and integration within the background.

Each character available in the PRC field (“0” - ”9”, “.” and a currency mark) is contained

in its own image located in the directory pointed to by the Numeral Image Directory

command line argument. The names of the files are simply “1.png”, “2.png”, etc... for the

numerals and “dollar.png” for the currency mark. The decimal point should be named

“point.png”, and a blank image that should be used for spaces should be called

“blank.png”. The default images are shown below.

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Aml KDT750 Price Verification System Manuale Utente Pagina 35