HP 450c Service Manual - Page 195

Glossary-5, RSĆ232ĆC interface - designjet color inkjet printer

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PWMąPulseĆWidth Modulation. RAMąRandomĆAccess Memory. rasterą1. A matrix of dots, or pixels, where each pixel is defined by a bit. A bit that is on" will print a dot on the paper. A bit that is off" will leave the area blank. 2. A method for defining a plot directly in terms of the pixels rather than as vectors. raster image processorąSoftware that converts graphics data to pixel format. relative humidityąThe ratio of the amount of water vapor actually present in the air to the greatest amount possible at the same temperature, (from Webster's Ninth New Collegiate Dictionary, E MerriamĆWebster 1991). resolutionąA measure of image sharpness expressed as a number of lines per unit length. When referring to plotters, addressĆ able resolution means the smallest move the plotter can make programmatically. rmsąRoot mean square. ROMąReadĆOnly Memory. romanąA character set based on the Latin alphabet. RSĆ232ĆC interfaceąA serial interface standardized by the Electronic Industries Association Standard RSĆ232ĆC. RTLąsee HPĆRTL." secąSecond(s). secondary colorsąRed, blue, green. service monitorąData display; display data; monitor mode. SIMMąSingle InĆline Memory Module. skewąMisalignment. special paperąA paper specifically develĆ oped by HP, for HP inkjet plotters. SPROCąServoĆProcessor Code. swathąThat portion of a drawing plotted between advances of the drive roller in Fast mode. (In Best mode, the drive roller adĆ vances half a swath at a time; in Normal mode, it may advance a full swath or half a swath, depending on whether the plot is colĆ or or monochrome.) TCP/IPąTransmission Control Protocol / Internet Protocol. thetaĆZ errorąA printĆquality error caused when the nozzles on a cartridge are not perpendicular to the carriage axis. The error shows up as jagged vertical lines. translucentąDescribes a type of media through which light passes. TTOEąThermal TurnĆOn Energy. UARTąUniversal Asynchronous Receiver Transmitter. unidirectional print modeąA print mode in which plotting is performed while the carriage moves in one direction, and no plotting is performed while the carriage moves in the opposite direction. vellumąA type of strong paper. VLSąVerticalĆline straightness. XĆaxisąMedia axis. XĆaxis calibrationąAccuracy calibration. YĆaxisąCarriage axis. HP DesignJet 2500CP and 2000CP Printers Glossary-5

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Glossary-5
HP DesignJet 2500CP and 2000CP Printers
PWM
ąPulseĆWidth Modulation.
RAM
ąRandomĆAccess Memory.
raster
ą1. A matrix of dots, or pixels,
where each pixel is defined by a bit. A bit
that is ±on" will print a dot on the paper. A
bit that is ±off" will leave the area blank.
2. A method for defining a plot directly in
terms of the pixels rather than as vectors.
raster image processor
ąSoftware that
converts graphics data to pixel format.
relative humidity
ąThe ratio of the
amount of water vapor actually present in
the air to the greatest amount possible at
the same temperature, (from
Webster's
Ninth New Collegiate Dictionary
,
E
MerriamĆWebster 1991).
resolution
ąA measure of image sharpness
expressed as a number of lines per unit
length. When referring to plotters, addressĆ
able resolution means the smallest move
the plotter can make programmatically.
rms
ąRoot mean square.
ROM
ąReadĆOnly Memory.
roman
ąA character set based on the Latin
alphabet.
RSĆ232ĆC interface
ąA serial interface
standardized by the Electronic Industries
Association Standard RSĆ232ĆC.
RTL
ąsee ±HPĆRTL."
sec
ąSecond(s).
secondary colors
ąRed, blue, green.
service monitor
ąData display; display
data; monitor mode.
SIMM
ąSingle InĆline Memory Module.
skew
ąMisalignment.
special paper
ąA paper specifically develĆ
oped by HP, for HP inkjet plotters.
SPROC
ąServoĆProcessor Code.
swath
ąThat portion of a drawing plotted
between advances of the drive roller in
Fast
mode. (In
Best
mode, the drive roller adĆ
vances half a swath at a time; in
Normal
mode, it may advance a full swath or half a
swath, depending on whether the plot is colĆ
or or monochrome.)
TCP/IP
ąTransmission Control Protocol /
Internet Protocol.
thetaĆZ error
ąA printĆquality error
caused when the nozzles on a cartridge are
not perpendicular to the carriage axis. The
error shows up as jagged vertical lines.
translucent
ąDescribes a type of media
through which light passes.
TTOE
ąThermal TurnĆOn Energy.
UART
ąUniversal Asynchronous Receiver
Transmitter.
unidirectional print mode
ąA print
mode in which plotting is performed while
the carriage moves in one direction, and no
plotting is performed while the carriage
moves in the opposite direction.
vellum
ąA type of strong paper.
VLS
ąVerticalĆline straightness.
XĆaxis
ąMedia axis.
XĆaxis calibration
ąAccuracy calibration.
YĆaxis
ąCarriage axis.