Glossary

control code

Besides the codes for printable characters, the ASCII standard also includes 33 other codes which are called control codes. These control codes perform such functions as sounding the beeper and performing a carriage return or line feed.

cut sheet feeder

An optional, detachable device that automatically feeds single sheets of paper into the printer.

data dump

A troubleshooting feature. When the printer is in data dump mode, each code that is receives is printed in hexadecimal notation as well as ASCII codes that stand for the characters. Sometimes called hex dump.

decimal

See number systems.

default

A value or setting that takes effect when the equipment is turned on, reset, or initialized.

dot graphics

A graphic design formed by patterns of dots.

dot matrix

A method of printing in which each letter or symbol is formed by a pattern (matrix) of individual dots.

double-height printing

Printing in which each character is twice as high as normal.

Glossary GL-3