Laser Printer User Manual

line-feedcommands.Youcan alsomoveto tab settingsbothhorizontally

andvertically(handyfortablesandblankforms,or makingroomfor your

diagrams).

Butthosearen’tall.Dependingon whichprinteremulationyou areusing,

youcantellthe StarLaserPrinter4 to movetheprintpositionverticallyor

horizontallyin incrementsof:

1/10,1/12or similarfractionsof an inch(pitchsettings),

1/48,1/60,1/72,1/120or 1/216inch(lineor columndefinitions),

1/300inch(dots),or

1/720inch (tenthsof a point).

These incrementsreflectthe historyof twentiethcenturyprinting.Pitch,

referringtothenumberofcharactemprintedineachhorizontalinch,derives

fromhowtypewritersspacetheircharactem.Lines andcolumnswerefirst

usedby earliercomputerprintem(on whichtheyare calledhorizontaland

verticalmotionindexes).Youalreadyknowaboutthe StarLaserPrinter4

beingableto print300dotsto the inch.Andthe unitby whichtypesetters

havemeasuredtextfor centuriesis thepoint, about l/72nd of an inch.

Onehint aboutmovingthe printposition:youcan confuseyourselfif you

usemomthanoneortwodifferentunitsduringthesamesession.Sodecide

beforehand how accurately you need to move the print position (not

forgettinganygraphicsyou wantto include).Then stickto the unit(s)you

choose.

Thecommandsthatmovetheprintpositionin allthesewaysaredescribed

in chapters4 and 5, withthe specificprinteremulationyouwantto use.

2.4 CONTROLLINGTHE PRINTING

2.4.1 TheEMULATEATTRIBUTESparameter

TheEMULATEATI’RIBUTESparameterdefinesf&t attributesandsetup

values(if any)foreach of the StarLaserPrinter4’stwo emulationmodes.

A font’sattributesor characteristicsdeterminewhatthatfontwilllooklike

whenit isprinted.Thenextchapter,“Fonts,”exploresthedetailsof allfont

attributesin more detail. But let’s have a quick overviewnow, because

you’llmeetthesetermson thecontrolpanel’sprogrammenu.