Appendix F

Troubleshooting and Advanced Features

This appendix approaches troubleshooting from several directions. The first section uses a columnar format to match solutions with problems. Other sections cover beeper error warnings, hexadecimal data dumping, coding and seven-bit solutions, and specific solutions for several popular personal computer systems.

Problem/Solution Summary

Possible problems are listed on the left and solutions on the right.

ProblemSetting print styles

Can’t get compressed print.

Tabbing

Horizontal tabs don’t work.

Horizontal tabs are incorrect when changing pitch.

Graphics

Strange things print.

Solution

Cancel emphasized; it has priority over compressed.

Set margins before tabs, not after.

Tabs are set according to current print pitch. Changes in pitch do not affect the position of the tabs on the page.

Some systems require a WIDTH statement. See your system docu- mentation.

Many computers have problems sending one or more of the codes between 0 and 13. Avoid any that

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