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

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Glossary<br />

G<br />

reader command<br />

A reader command causes the reader to perform a task. You can enter a reader<br />

command by typing on the keypad, by scanning a bar code label, or by sending<br />

a command from the host computer.<br />

Reader Services<br />

A collection of programs on the reader that decode bar codes, process data<br />

input and output, configure the reader, and handle power management.<br />

reader-to-reader<br />

A method of communicating between two readers. By placing two readers so<br />

the receive signal on one reader aligns with the transmit signal on the other<br />

reader, and the transmit signal on the first reader aligns with the receive signal<br />

on the other reader, you can achieve direct communications between the two<br />

readers. For this type of communications, the readers should be no more than<br />

1 inch apart.<br />

records per block<br />

The maximum number of data records transmitted per block of data. A block<br />

of data is transmitted during a single transmission event.<br />

regular label<br />

A bar code label that takes the form of . A regular<br />

bar code label is executed as soon as you scan it. Contrast with multiple-read<br />

label.<br />

remark out<br />

When you add a REM statement (short for REMark) at the beginning of a<br />

command line in a batch file, DOS treats the line as a remark instead of as a<br />

command. Any statement beginning with the characters REM will be ignored<br />

by the command processor. Typically, users will remark out device drivers in<br />

AUTOEXEC.BAT and CONFIG.SYS startup files.<br />

REQ<br />

Request for Acknowledgment character. Sent by the reader to the host to<br />

request a retransmission of an acknowledgment to a reader message.<br />

RES<br />

Reset character. Sent by the reader to end communications with the host. The<br />

RES character enables or disables the reset event, or resets the data<br />

transmission event to the solicitation event.<br />

G-21

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