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G-4 Glossary
FACTORY DEFAULT
. A default assigned at the factory.
FORM
. The area of paper defined between top of form positions.
FORM FEED
. A control key on the printer switch panel and a control code
used to advance the paper to the top of the next form.
FORMS OPTIONS
. Used to select the appearance of the printed form.
Accessed from the printer switch panel or by sending control commands
from the computer.
HANDSHAKING
. The exchange of signals or characters between connected
devices to control data flow and prevent data loss. See DTR and
X-ON/X-OFF.
HEXADECIMAL
. A numbering system that uses the numbers 0 to 9 and the
letters A to F, so that each digit can represent sixteen different values.
INTERFACE
. The physical and logical connection between two devices.
See
PARALLEL INTERFACE
and
SERIAL INTERFACE
.
LANGUAGE CHARACTER MAP
. Same as
NATIONAL
-
USE CHARACTER MAP
.
LINE FEED
. A control key on the printer switch panel and a control code
used to advance the paper one line.
MAPPING
. Process of assigning characters and control codes to data byte
values.
NATIONAL
-
USE CHARACTER MAP
. Character maps specific to different
countries can be selected using the configuration menu.
NEAR LETTER QUALITY
(
NLQ
)
. A method of printing used to increase the
quality of printed characters. This option is set using the configuration
menu, accessed from the printer switch panel, or with a control command.
ON LINE
. When the printer is on line, it is able to print data. The printer is
placed on line or off line by pressing the
ON LINE
key located on the
printer switch panel.