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

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

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Glossary<br />

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configuration command<br />

A configuration command changes the way the reader operates. You can enter<br />

a configuration command by typing on the keypad, by scanning a bar code<br />

label, or by sending a command from the host computer.<br />

configuration file<br />

A configuration file is an ASCII text file that contains settings for some or all of<br />

the reader’s configuration parameters.<br />

Configuration Manager<br />

A Reader Services program on the reader that maintains the reader’s current<br />

configuration file, ensures that the reader operates according to that<br />

configuration, and lets you change the configuration file.<br />

Control mode<br />

A reader mode you use to temporarily change some of the display parameters<br />

at the DOS prompt or when running an application. The parameters are reset<br />

when you boot the reader.<br />

conventional memory<br />

The reader has <strong>4MB</strong> of battery-backed dynamic RAM. The first 640K is<br />

conventional memory and is virtually the same as that of a PC. You can use<br />

this memory to run applications.<br />

cursor keypad<br />

A set of keys on the reader that allows you to move the cursor around the<br />

screen.<br />

data bits<br />

The number of bits the reader uses when communicating with another device<br />

(i.e., host computer). Generally set at seven or eight.<br />

default configuration<br />

The values set for each configuration parameter when the reader is shipped.<br />

device<br />

Any physical item that is attached to a computer. A terminal, a printer, a<br />

reader, and a controller are all devices.<br />

device driver<br />

A software component that controls an external device. For example, a PC card<br />

device driver controls how the reader accesses the PC card.<br />

G-9

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