110
Glossary
typeface
A descriptive name or brand name that identifies a
particular design of type. Also called type family.
typographic font
See
font, proportional.
U
UPC
Abbrev. for
Universal Product Code.
V
VFU
Abbrev. for
Vertical Format Unit.
VGL
Abbrev. for
Code V Graphics Language. An emulation of
the QMS Code V Magnum firmware. The software
version of the old hardware based IGP that is used in the
Printronix** PSA line of printers. It provides the same
forms and barcode generation capabilities as the IGP.
VT
Abbrev. for
Vertical Tab.
W
warm start
A reboot or soft reset, in which the following occurs:
1) data are cleared from all buffers (I/O and internal print
buffers); 2) all internal system variables are set to default
values, which is transparent to the user; and 3) the
power-up configuration values-except the host I/O
selection-are loaded. If the user has not defined power-
up configuration values, the printer resets to the factory
default configuration values.
weight
See
character weight.
word
1. A storage unit consisting of the number of bits that
comprise one storage location in main memory.
2. The name used for a variable or constant in a program.
3. The data value occupying a storage location.
write
To place data in memory (RAM, NVRAM) or in mass
storage (hard disk, floppy diskette, etc.).
X
X-OFF
A character transmitted by the printer announcing that
the printer is off-line or the buffer is almost full.
X-ON
A character transmitted by the printer announcing that
the printer is on-line or the buffer is almost empty.
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