Intermec 3400 User Manual page 149

G
Glossary
pitch
(1) The number of characters printed in one horizontal inch determined by the
increment by which the printer platen moves. (2) Rotation of a bar code symbol
about an axis parallel to the direction of the bars.
point size
A unit of measure for font height; 72 points equals 1 inch as measured from
slightly above the top of the uppercase letters to slightly below the bottom of
the lowercase descenders.
Polling Mode D protocol
Polling Mode D is a protocol that allows devices and controllers to exchange
data in an "ask and receive" format. Use Polling Mode D to connect multiple
devices to a single multiport controller.
print speed
Measured in inches per second (ips), the rate at which media travels past the
printhead.
printhead
The mechanism inside the printer that prints. For example, the printhead for
the 3440 printer consists of 1792 thermal elements.
printhead elements
The parts of the printhead that print by placing a mark on the label when
heated. Each element is switched on and off separately in order to react with
the media or thermal transfer ribbon to create a mark on the label.
ready
The state in which the printer is able to print; the normal operating state of the
printer.
Ready/Busy line
Pin 11/20 of the rear panel connector. Indicates the printer is ready or not
ready.
RS-232
Widely recognized protocol standard for serial binary data interchange. The
standard covers the physical, electrical, and functional characteristics of the
interface.
G-7