Denso BHT-200QW Specifikace stáhnout pdf (Strana 315)

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Chapter 15. Function Reference

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When CDtype is I (ITF), the length of barcodedata must be an even number of two

or more digits. If not, CHKDGT$ returns a null string.

- To check that the CD is correct:

Pass a CD-suffixed barcodedata to a CHKDGT$ as shown below. If the returned

value is equal to the CD, the CD data is suitable for the barcodedata.

Sample coding:

IF CHKDGT$("123457","I")="7"

THEN ...

- To add a CD to barcode data:

Pass barcodedata followed by a dummy character to a CHKDGT$ as shown below.

The returned value will become the CD to be replaced with the dummy character.

Sample coding:

PRINT "12345"+CHKDGT$("12345"+"0","I")

123457

When CDtype is M (Code 39), the length of barcodedata must be two or more

digits except for start and stop characters. If not, CHKDGT$ returns a null string.

- To check that the CD is correct:

Pass a CD-suffixed barcodedata to a CHKDGT$ as shown below. If the returned

value is equal to the CD, the CD data is suitable for the barcodedata.

Sample coding:

IF CHKDGT$("CODE39W","M")="W"

THEN ...

- To add a CD to barcode data:

Pass barcodedata followed by a dummy character to a CHKDGT$ as shown below.

The returned value will become the CD to be replaced with the dummy character.

Sample coding:

PRINT "CODE39"+CHKDGT$("CODE39"+"0","M")

CODE39W

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