Denso BHT-200QW Especificações descarregar pdf (Página 100)

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Handling of special characters

If the BHT reads a barcode made up of special characters only (such as FNC, CODE-A, CODE-B,

CODE-C and SHIFT characters), it will not transfer the data to the barcode buffer. If the beeper is

enabled, only the beeper sounds.

• FNC1

FNC1 characters placed within two character positions after the start character are not transferred to

the barcode buffer. FNC1 characters in any other positions are converted to GS characters (1Dh) and

then transferred to the barcode buffer.

If an FNC1 character immediately follows the start character, the barcode will be recognized as

EAN-128 and marked with W instead of K.

• FNC2

If the BHT reads a barcode containing any FNC2 characters, the data is transferred directly to the

barcode buffer with the FNC2 character(s) discarded, without being temporarily buffered.

• FNC3

If the BHT reads a barcode containing any FNC3 character(s), it will regard the data as invalid, and no

data transfer will take place. If enabled by the RdMode property, the indicator LED will light up and the

beeper (vibrator) will sound (vibrate).

• FNC4

The FNC4 character converts data in code set A or B into extended ASCII (basic ASCII code value +

128).

A standalone (single) FNC4 character converts only the subsequent data character into extended

ASCII.

A pair of continuous FNC4 characters converts all subsequent data characters preceding another pair

of continuous FNC4 characters or the stop character into extended ASCII. If, however, a standalone

(single) FNC4 character is inserted in between, one data character immediately after this standalone

FNC4 character is left as it is (not converted).

An FNC4 character does not convert any of GS characters converted by an FNC1 character into

extended ASCII.

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Denso BHT-200QW Especificações Página 100