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JANUS? 2020 Hand-Held Computer (4MB) - Intermec

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Learning About IRL<br />

NF BC Working With IRL<br />

7<br />

This chapter introduces <strong>Intermec</strong>’s Interactive Reader Language (IRL) and explains<br />

how to use the IRL Desktop, specify the path for IRL files, interrupt and resume IRL<br />

programs, run IRL programs with limited conventional memory, and use the IRL<br />

reader commands covered in Chapter 11.<br />

Interactive Reader Language (IRL) is a high-level programming language you<br />

can use to develop programs for your <strong>JANUS</strong> reader. IRL Version 4.1 comes<br />

with your <strong>JANUS</strong> reader. IRL features include:<br />

• advanced bar code input capabilities.<br />

• efficient reader power management.<br />

• efficient memory management.<br />

• ease of use for creating programs quickly.<br />

You can create IRL programs using any DOS-based text editor and save the<br />

program as an ASCII text file. You can also write IRL programs on a PC with<br />

PC-IRL software and download them to the reader using the Polling Mode D<br />

protocol.<br />

For help learning how to program in IRL, or how to take advantage of the IRL<br />

features that are available only on <strong>JANUS</strong> readers, see these manuals:<br />

• IRL Programming Reference Manual<br />

• PC-IRL Reference Manual<br />

Note: The default filenames for IRL programs and data files include braces {}. For<br />

example, you may see these filenames on the reader: {IRL-1}.IRL and {IRL-A}.IRD.<br />

7-3

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