Argox PA-20 Basic Programming Manual Manual do Utilizador Página 48

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PT-Basic Programming Manual Ver. 1.00 47/143
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N1% is an integer variable, indicating the parameter1.
N2% is an integer variable, indicating the parameter2.
S$ is a string variable.
Refer to Appendix Cfor more details about the parameter
setting.
READER_QUERY$
Purpose
To query the scanner(CCD) current setting.
Syntax
A$=READER_QUERY$(N1% , N2%)
Example
„To query the scanner status (Code-128/Read).
Value$=READER_QUERY$(13, 1)
PRINT "Value:",ASC(Value $)
Preamble$=READER_QUERY$(8, 3) „Preamble
characters
PRINT " Preamble:"+ Preamble $
Description
A$ is a string variable to be assigned to the result.
N1% is an integer variable, indicating the parameter1.
N2% is an integer variable, indicating the parameter2.
Refer to Appendix Bfor more details about the parameter
setting.
READER_QUERY_LASER$
Purpose
To query the scanner(Laser) current setting.
Syntax
A$=READER_QUERY_LASER$(N1% , N2%)
Example
„To query the scanner status (Code-128/Read).
Value$=READER_QUERY_LASER$(13, 1)
PRINT "Value:",ASC(Value $)
Preamble$=READER_QUERY_LASER$(8, 3)
PRINT " Preamble:"+ Preamble $
Description
A$ is a string variable to be assigned to the result.
N1% is an integer variable, indicating the parameter1.
N2% is an integer variable, indicating the parameter2.
Refer to Appendix Cfor more details about the parameter
setting.
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