Using the Bar Code Scanner 6-1
U S I N G T H E B A R C O D E S C A N N E R
The operator can use the handheld’s scanner indirectly from buttons on
the printer. This functionality must be built into the appli cation.
The printer
does not
do the scanning. It communicates with the handheld,
indicating the operator is pressing the printer’s scanner buttons, and the
handheld should activate the scanner.
The application must integrate these commands with the comm ands running
the scanner. For example, using the API commands, the application must
enable the scanner and define the connection to the printer buttons before
performing the scan.
The interaction between the printer and handheld goes as follows:
1.
The application defines the data the handheld expects from the printer
to indicate the printer’s button(s) are being pressed.
2.
When the operator presses the printer button(s), the printer
automatically sends the data indicating the buttons are being pressed.
3.
When the operator releases the printer button(s), the printer
automatically sends the data indicating the buttons have been released.
4.
The handheld disables the printer’s scanner buttons.
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