Appendix a: additional information, Rs-232 host commands, E available. refer to – Oregon PowerScan Handheld Laser Scanner User Manual

Page 149: Appendix a: additional, Information

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Programming Guide

143

Appendix A: Additional Information

RS-232 Host Commands

The RS-232 interface will accept commands from the host. Available
commands are:

Disable Scanner

Enable Scanner

Reset Scanner

Beep Good Read Tone

Force Good Read

Xon

Xoff

Disable Scanner (ASCII ‘D’)

- places the scanner in an operational

mode in which the scanner does not accept bar code data input from
the scan optics. NOTE: The scanner will complete any message trans-
mission in progress to the host.

Enable Scanner (ASCII ‘E’)

- places the scanner in an operational

mode in which the scanner will accept label data input from the scan
optics.

Reset Scanner (ASCII ‘R’)

- performs a scanner reset operation. Any

bar code data the scanner may be holding in buffers is discarded.
NOTE: After reset is executed, additional host commands may be
ignored for 30 seconds.

Beep Good Read Tone (ASCII ‘B’)

- causes the beeper to sound one

‘good read’ tone if the beeper is enabled (see the section in this manual
titled, “General Features” for more information about setting the scan-
ner’s beeper functions).

Force Good Read Tone (Hex ‘01’)

- causes the beeper to sound one

‘good read’ tone even if the beeper is configured as disabled.

Xoff (Hex ‘11’)

- suspends current data transmission from the scanner

to the host or prevents future data transmissions from occurring.

Xon (Hex ‘13’)

- permits resumption of data transmission from the

scanner to the host that was previously suspended via the Xoff
command.

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