IBM 6400 Setup Manual page 345

TTL
type family
type size
type style
typeface
typographic font
UPC
USET
VFU
warm start
weight
write
Transistor-Transistor Logic.
See typeface.
See point.
Refers to either the upright or italic character style in a specific
font family. Roman is upright, italic is slanted.
A descriptive name or brand name that identifies a particular
design of type. Examples are: Courier, Helvetica, and Swiss. Also
called type family.
See font, proportional.
U
Universal Product Code.
Abbrev. for User–defined Set: An IGP command that creates
custom character sets (except OCR fonts) from existing
characters stored in memory.
V
Abbrev. for vertical format unit.
W
An almost complete reset of the printer:
a) Data are cleared from all buffers.
b) All internal system variables are reset to default (host set).
c) Selected power–up configuration is loaded.
See character weight.
To store data to memory (RAM) or to mass storage (hard disk,
floppy diskette, etc.).
Glossary–13