天文新synscan说明书

210305V1210305V1TABLEOFCONTENTSTHESynSca33335568889999101010IntroductiontotheSynSnPoweringtheSynScanSynScan HandControlHANDCONTROLOPERATIONInitialSetupStarAlignmentObjectdatabaseintheEQ6SynScaSelectinganObjectOTHERFEATURESUtilityFunctionsTABLEOFCONTENTSTHESynSca33335568889999101010IntroductiontotheSynSnPoweringtheSynScanSynScan HandControlHANDCONTROLOPERATIONInitialSetupStarAlignmentObjectdatabaseintheEQ6SynScaSelectinganObjectOTHERFEATURESUtilityFunctionsSetupFunctionsUsingtheUserDefinedDatabaseIdentifyinganUnknownObject LinkingwithaComputer AutoGuidingSynScanTREE12TECHNICALSPECIFICATIONSAPPENDIXA-ENHNGTHEPRECISIONIAPPENDIXB-PERIODICERRORCORRECTIONIVVIAPPENDIXC-RS-232CONNECTIONVIIAPPENDIXD-STANDARDTIMEZONESOFTHEWORLD0NEVERUSEYOURTELESCOPETOLOOKDIRECTLYATTHESUN.PERMANENTEYEDAMAGEWILLRESULT.USEAPROPERSOLARFILTERFIRMLYMOUNTEDONTHEFRONTOFTHETELESCOPEFORVIEWINGTHESUN.WHENOBSERVINGTHESUN,PLACEADUSTCAPOVERYOURFINDERSCOPEORREMOVEITTOPROTECTYOUFROMACCIDENTALEXPOSURE.NEVERUSEANEYEPIECE-TYPESOLARFILTERANDNEVERUSEYOURTELESCOPETOPROJECTSUNLIGHTONTOANOTHERSURFACE,THEINTERNALHEATBUILD-UPWILLDAMAGETHETELESCOPEOPTICALELEMENTS.Fig.aIntroductiontotheSynScanensadthatwillallowyoutoeasilyfindandenjoyviewingnightskytreasures,suchasplanets,nebulea,starclusters,galaxiesandmuchmore.ThehandcontrolallowsyoutopointyourtelescopeataspecificobjectoreventourtheFig.aIntroductiontotheSynScanensadthatwillallowyoutoeasilyfindandenjoyviewingnightskytreasures,suchasplanets,nebulea,starclusters,galaxiesandmuchmore.Thehandcontrolallowsyoutopointyourtelescopeataspecificobjectoreventourtheskiesatthetouchofabutton.Theuserfriendlysystemallowsautomaticslewingtoover13,400objects.Evenaninexperiencedastronomercanmasteritsvarietyoffeaturesinafewobservingsessions.Belowisabriefdescriptionoftheindividualsfed.Fig.bHEQ5(Bird'seyeview)AutoGuiderpowerswitchPoweringtheSynScantopowersupplyTMshouldbepoweredby11-15VDCpowersupply(tip-positive)capableofproducingcontinuouscurrentofminimum2amps.Correctlyplugthepowercordintothe12VDCoutletonthethemount(SeeFig.aandbforHEQ5mount,Fig.a-1andb-1forEQ6mount).FlipthePowerSwitchtothe"on"positiontoturnonthepower.powerindicatorFig.b-1powerswitchEQ6AutoGuiderFig.a-1Thepowerindicatorwillflashwhenthetopowersupplypowerislow.Continuetousethebatteryatthispointmaydamagethebattery.Thepowerindicatorwillflashrapidlywhenthepowerisextremelylow.ContinuetousethesamebatterymaydamagetheSynScansystem.SynScanTMHandControledlere5saRJ-45connectoronbothends.Plugoneendintothehandcontrol(Fig.c)andtheotherintotheoutletonthemount(Fig.b).Pushtheconnectorintotheoutletuntilitclicksintoplace.TheSynScancablefortheEQ6mounthasaRJ-45connectorononeendandDB9ontheother.PlugtheRJ-45connectorintothehandcontrol(Fig.c).Pushtheconnectorintotheoutletuntilitclicksintoplace.PlugtheDB9connectorintotheoutletonthemount.Tightenthescrewstosecuretheconnectorinplace(Fig.a-1).TheRJ-114-pinportisusedforRS-232communicationsbetweentheyndareghafendlrsohbrowsethedatabasewithoutconnectingtothetelescope(Fig.c).Fig.cRJ-45RJ-11DCpowerportforly.3TheDCpowerportonthehandcontrolishandcontrolstand-aloneapplicationsonFortelescopeapplicaions,usethe12VDCoutletonthemount.endlstsallthemotioncontrolsofthetelescopeandadatabasewitharangeofpresetobjects.TheHandControlcomeswithadual-line,16characterdisplayendlstsallthemotioncontrolsofthetelescopeandadatabasewitharangeofpresetobjects.TheHandControlcomeswithadual-line,16characterdisplayscreenthatisbacklitforcomfortableviewingofthetelescopeinformationandscrollingtext.ToexplorethemanyfunctionsthattheSynScanhastooffer,thereare4maincategoriesofcontrolontheHandControl(Fig.d):Fig.dDisplayscreen Modekeys SETUPESCENTER DirectionalkeysModekeysThemodekeysarelocatednearthetop,totheLCDdisplay.TheyincludetheENTER,andSETUPkeys:321ESC,546DualpurposekeysESCkeyisusedtoescapefromacertain798dortogobackalevelinthetree.ENTERkeyisusedtoselectthefunctionsandScrollkeyssubsinthetree,andtoconfirmcertainfunctionaloperations.SETUPkeyisaquickhotkeythattakesyoutotheSetupsub.DirectionalkeysThedirectionalkeysallowcompletecontrolofthetelescopeatalmostanystepintheSynScan'soperation.Thesecontrolsarelockedoutwhenthetelescopeisslewingtoanobject.Theyarenormallyusedtoinitiallyalign,centerobjectsintheeyepiece,andmanualguiding.Theleftandrightdirectionalkeyscanalsobeusedtomovethetextcurserwhenenteringdatatothehandcontrol.ScollKeys(Fig.e)TheupanddownscrollkeysallowyoutoscrollupanddownwithintheDualPurposekeystreeorselections.Thesekeysrangefromthemiddletothebottomofthehandcontrol.Theyservetwodistinctpurposes dataentryandquickreferencehotkeys.TOURkey(Fig.f)takesyouonapresettouracrosstheskyyouarecurrentlyunder.RATEkey(Fig.f)changesthespeedrateofthemotorswhenthedirectionkeysarepressed.Thereare10speedstochoosefrom:0(slowest)to9(fastest).USERkey(Fig.f)givesaccesstoupto25user-definedcoordinates.IDkey(Fig.f)identifiestheobjectthetelescopeiscurrentlypointingto.NGC,IC,M,PLANET,andOBJECTkeys(Fig.g)allowdirectaccesstoSynScandatabaseofover13,400objects.Fig.fFig.gFig.e40snsapenwoerScandInitialSetup1.PerformthePolaralignmentsnsapenwoerScandInitialSetup1.PerformthePolaralignmentusingthepolarscope.PointthetelescoperoughlytotheNorthCelestialPole(orPolaris)ifyouareintheNorthernHemisphere.PointtotheSouthCelestialPoleifinSouthernHemisphere.MakesurethecounterweightrodispointeddownasseeninFig.h.Thiswillbethehomepositionofthetelescope.FlipthePowerSwitchonthemounttothe"ON"positiontoturnonthepower.TheinitialscreendisplayedonthehandcontrolistheVersion(NorthernHemisphere)2.Fig.hZenithCelestialPoleRightAscensionMeridianLineLatitude3.WS4.NScreen.Pressproceed.ENTERtoEApparentmovementofstars5.Thehandcontrolwilldisplay"BeginAlignment?"PressENTERtoproceedtothealignmentprocedure.PressESCwillexittothemainNadirPlaneoflocalhorizon(seeSynScanTree).PlaneofCelestialEquatoridle6.Enterthetelescope'scurrentlatitudinalandlongitudinalpositionusingthenumerickeypad.Firstenterthelongitudinalcoordinate,followedbythelatitudinalcoordinate.UsethescrollkeystochoosebetweenWorE,andNorS.Pressingtheleftorrightdirectionalkeyswillmovethecursortothepreviousornextnumber.Press ENTERtoconfirm.Enteryourcurrenttimezoneinhours(seeAppendixB),usingthescrollkeysandnumerickeypad(+forEast,-forWest).PressENTERtoconfirm.Enterthedateinthefollowingformatmm/dd/yyyyusingthenumerickeypad.PressENTERtoconfirm.Enteryourcurrentlocaltimeusingthe24hrtimemode(e.g.2:00PM=14:00).PressENTERtoviewthetimeyouentered.Ifitisincorrect,pressESCtogobacktothepreviousscreen.IfPressENTERifyouarecurrentlyonDaylightSavingstime.Usingthescrollkeytoscrolldownto"NO"andpressENTERifyouareonregulartime.0.11.12.willtakeyoutothealignment.5IfamistakewasenteredintotScanhandcontrol,pressteSCkeytogobacktotheprevious ,anErs tostartagain.Thehandcontrol'sredlightwillbecomedimmerandthekeypadswillturnoffiffor30seconds.Pressinganykeyturnsitbackon.StarAlignmenttocorrectlypointtoobjectsinthesky,itStarAlignmenttocorrectlypointtoobjectsinthesky,itmustfirstbealignedtoonetothreeknownpositions(stars)inthesky.AstheEarthrotatesonitsaxisevery24hours,astronomicalobjectsappeartomovethroughtheskyfollowinganarc.Withthedinformation,thetelescopecanreplicateamoftheskyandthemovementsofastronomicalobjects.TherearethreewaystoaligntheSScandependingonyourdemandforaccurac.IfyouareusingSScanforthefirsttime,werecommendthatyoubeginwiththeThreeStarAlignment.Inmostcases,thisproducesthemostaccuratealignmentamongthethreemethods.Beforeperforanyofthealignmentmethods,besurethatyourfinderscopeiswellalignedwiththetelescopetube.Belowdescribesastep-by-stepprocedureonhowtoperformtheThreeStarAlignment:Three-StarAlignment1.2.Inthealignmentscreen,select3-StarAlignusingthescrollkeys.PressENTERtoconfirm.TheSScanwillprovidealistofstarsavailableinyourcurrentskyforyoutochooseasthefirstalignmentstar.Usingthescrollkeys,chooseastaryouaremostfamiliarwithandpressENTER.Thetelescopewillstartslewingtowardsit.Whenthetelescopestopsslewing,adjustitspositionwiththedirectionalkeysuntilthestariscenteredonthecrosshairsinthefinderscope.Nowlookthroughtheeyepieceandadjustthetelescopesothattheobjectiscenteredinthefieldofviewoftheeyepiece.PressENTERtoconfirm.3.SScanwillprovidealistofobjectsforthesecondalignmentsta.ChooseastarusingthescollkeysandpressENTER.RepeatthecenteringprocedureforthesecondstarandpressENTERtoconfirm.SScanwillonceagainprovidealistofobjectsforthethirdalignmentsta.ChooseastarfromthelistandpressENTER.Onceagain,repeatthecenteringprocedureforthethirdalignmentstar.Oncecompleted,SynScanwilldisplay"AlignmentSuccessful".4.5.Two-StarAlignmentTwo-StarAlignmentrequiresonlytwoalignmentstarsbutmayproducelesserpointingaccuracythantheThree-StarAlignment.Belowdescribesastep-by-stepprocedureonhowtoperformtheTwo-StarAlignment:1.2.Inthealignmentscreen,select2-StarAlignusingthescrollkeys.PressENTERtoconfirm.TheSScanwillprovidealistofstarsavailableinyourcurrentskyforyoutochooseasthefirstalignmentstar.Usingthescrollkeys,chooseastaryouaremostfamiliarwithandpressENTER.Thetelescopewillstartslewingtowardsit.Whenthetelescopestopsslewing,adjustitspositionwiththedirectionalkeysuntilthestariscenteredonthecrosshairsinthefinderscope.Nowlookthroughtheeyepieceandadjustthetelescopesothattheobjectiscenteredinthefieldofviewoftheeyepiece.PressENTERtoconfirm.SScanwillprovidealistofobjectsforthesecondalignmentsta.ChooseastarusingthescollkeysandpressENTER.RepeatthecenteringprocedureforthesecondstarandpressENTERtoconfirm.Oncecompleted,SynScanwilldisplay"AlignmentSuccessful".3.4.6SScanwillbeeponcewhenithasfinishedslewingtoanobject.Donottryadjustthetelescopebeforeyouhearthee.canwillonlyrespondtothESCkeywhileslewing.egdnedygnE.neanumberbetween0(slowest)-9(fastest).One-StarAlignmentOne-StarAlignmentistheeasiestOne-StarAlignmentOne-StarAlignmentistheeasiestandquickestalignmentmethod.Itrequiresonlyonealignmentstar.Belowdescribesastep-by-stepprocedureonhowtoperformtheOne-StarAlignment:1.2.3.Makesurethetelescopehasbeenpolaraligned.TheSScanwillprovidealistofstarsavailableinyourcurrentskyforalignment.Usingthescrollkeys,chooseastaryouaremostfamiliarwithandpressENTER.Whenthetelescopestopsslewing,adjustitspositionwiththedirectionalkeysuntilthestariscenteredonthecrosshairsinthefinderscope.Nowlookthroughtheeyepieceandadjustthetelescopesothattheobjectiscentredinthefieldofviewoftheeyepiece.PressENTERtoconfirm.Oncecompleted,SScanwilldisplay"lignmentSuccessful".4.O7NEVERUSEYOURTELESCOPETOLOOKDIRECTLYATTHESUN.PERMANENTEYEDAMAGEWILLRESULT.USEAPROPERSOLARFILTERFIRMLYMOUNTEDONTHEFRONTOFTHETELESCOPEFORVIEWINGTHESUN.WHENOBSERVINGTHESUN,PLACEADUSTCAPOVERYOURFINDERSCOPEORREMOVEITTOPROTECTYOUFROMACCIDENTALEXPOSURE.NEVERUSEANEYEPIECE-TYPESOLARFILTERANDNEVERUSEYOURTELESCOPETOPROJECTSUNLIGHTONTANOTHERSURFACE,THEINTERNALHEATBUILD-UPWILLDAMAGETHETELESCOPEOPTICALELEMENTS.ObjectdatabaseintheSynScanTMTheSynScancomeswithavastdatabasewithover13,400objectscoordinatesandallavailableinthepalmofyourhand.Thedatabasecontainsthefollowingcatalogues:ObjectdatabaseintheSynScanTMTheSynScancomeswithavastdatabasewithover13,400objectscoordinatesandallavailableinthepalmofyourhand.Thedatabasecontainsthefollowingcatalogues:SolarSystem-Theother8planetsofoursolarsystem,plustheMoon.NamedStar-Alistof100bestknownstarsfromtheStbase.*NGC-7,840ofthebrightestdeepskyobjectsfromtheRevisedNewGeneralCatalogue.IC-5,386ofstandardstarsanddeepskyobjectsfromtheIndexedCatalogue.Messier-Completelistof110Messierobjects.Others-TherearealsoSingleStars,DoubleStars,GlobularClusters,UncertainStars,Galaxies,Clusters,Nebulea,ReflectionNebulea,PlanetaryNebulea,andOpenClusters.SelectinganObjectOncethetelescopehasbeenaligned.Youcannowaccessandviewthe13,400differentobjectsintheSynScadatabase.Therearethreemethodsofselectingacelestialobjecttoview:TOUR-Takesyouonapresettouracrossyourcurrentsky.Itwillautomaticallychoosefromthedatabasethebrightestandmostbeautifuldeep-skyobjectsforyourviewingpleasure.Usethedownscrollkeytoviewthroughthedeepskyobjects.ChoosethedesiredobjectbypressingENTER.Itwillshowthecoordinateofthechosenobject.PressingENTERoncemorewillcausethetelescopetoslewtotheobject.M,NGC,IC-Theseshortcutkeysgiveyouaccesstothemostpopularcelestialcataloguestodate.EachCataloguehasasetnumberofobjectstochoosefrom.Usethenumerickeystoselectanobjectbyenteringitsnumber.Pressing ENTERwilldisplayitscoordinate.Primaryinformationsuchassize,magnitude,andconstellationareobtainedbypressingthescrollkeys.PressingENTERoncemorewillcausethetelescopetoslewtotheobject.PLANET-ThisshortcutkeytakesyoustraighttothePlanetsFig.iFig.jsubinthedatabase.Usethescrollkeystoscrollthroughthelistofplanetsinoursolarsystem.PressENTERtoviewitscoordinates,andENTERoncemoretoslewtotheplanet.USER-Thiswilltakeyoutothedatabasethatyouhavedefinedforyourself.Youcanenteranewlocationorrecalltheobjectsthathavebeenpreviouslysaved(snsntheUserDefinedDatabase).Fig.kTheOBJECTkeytakesyoutotheObjectsCatalogue,whereyouhavecompleteaccesstoover13,400celestialobjectsinthe(Fig.j)database.(SeeObjectdatabaseintheandtheSynScantree.)IntheMain,scrolldowntoOBJECTCATALOGUE andtotheOBJECTkey,thisgivesyouthecompleteaccesstoall13,400celestialobjectsinthedatabase.(Fig.k)(SeeObjectdatabaseintheandthetree.)*NGC2000.0database,editedbyRogerW.Sinnott,copyrightbySkyPublishingCorporation.Usedwithpermission.8UtilityFunctionsUtilityFunctionsareusefultoolsthatprovidesimple,one-stepprocessestorSynScanShowPosition -UtilityFunctionsUtilityFunctionsareusefultoolsthatprovidesimple,one-stepprocessestorSynScanShowPosition -Thisdisplaysthecoordinatesofthelocationwherethetelescopeiscurrentlypointing.DisplayTime-ThisdisplaysthelocaltimeandlocalSiderealtime.ParkScope-ThismovesthetelescopetotheHomeposition.RS-232mode-Thisallowslinkingtoacomputer.(See"LinkingwithaComputer".)PECTraining-SeeAppendixDforinformation.SetupFunctionsTheSetupfunctionsallowyoutochangeanysystemvariableorinformationregardinglocation,time,date,andalignmentconfigurations.ToaccesstheSetupFunctions,eitherpressSETUPkeyonthekeypadorscrollto SETUPunderoptionusingthescrollkeys.Belowliststhedifferenttypesoffunctionsavailabletoyou,andtheirpurposes.Time-Allowsyoutochangethecurrenttime.Observingsite-Allowsyoutochangethecurrentlocation.DaylightSavings-AllowsyoutochangetheDaylightSavingsoption.Alignment-Allowsyoutoperformthestaralignment.(See"Alignment".)SetBacklash-Thisfeatureallowsyoutoinsertavalueforeachaxistocompensateforitsbacklash.Forbetterpointingaccuracy,itisimportantthatthebacklashvalueissettobeequalorgreaterthantherealamountofbacklashbetweenthegears.Iftherealamountofbacklashisunknown,werecommendthatyousetthevalueto5000(equivalenttoapprox.0.2?.FirstsetthevalueforR.A.PressENTERtoproceedtoDec.SetTrackingSid.Rate:ThiSolarRate:Thirate(R.A.Tracking).ivatestrackinginLunarrate(R.A.Tracking).ivatestrackinginSolarrate(R.A.Tracking).PEC+SiderealRate:SiderealratewithPeriodicErrorCompensation.StopTracking:Thisstopsthetrackinginstantly.AutoGuideSpeed-Whenusinganautoguider,thissetstheguidingspeedto1X,0.75X,0.5X,or0.25Xsiderealrate.UsingtheUserDefinedDatabaseSynScan allowsyoutosaveupto25objectsintheuserdefineddatabase.Fig.lSavinganobjecttothedatabase1.PresstheUSERkey(Fig.l)orselectUSERDEFINEDundertheobjectcatalogue.PressENTER.YoucanchoosetoenterthelocationbyitsR.A.andDec.,ortelescopealtitudeandazimuthcoordinates.Press1(R.A.andDec.)or2(Alt-Azimuth)tomakeyourselection.BydefaltSynScanwilldisplaythecurrentR.A./DecorAlt/Azcoordinates.Changethecoordinatesusingthenumerickeypadandscrollkeys.PressENTERtosave.eynlkuoearn1o.thenumberyouwishtorepresentthecoordinate,usingthescrollkeys.PressENTERtoconfirm.Onceanumberisgiventothecoordinate,thehandcontrolwilldisplaycoordinate.PressESCtoexit..9Selectinganuserdefinedobject1.2.3.Selectthenumberrepresentingtheobjectyouwishtoview,usingthescrollkeys.PressingENTERwillshowitscoordinate.PressENTERagaintochoosetheobject.eynnlyw.gRleSelectinganuserdefinedobject1.2.3.Selectthenumberrepresentingtheobjectyouwishtoview,usingthescrollkeys.PressingENTERwillshowitscoordinate.PressENTERagaintochoosetheobject.eynnlyw.gRleeeslewtothecoordinate.PressESCtoexit.4.IdentifyinganUnknownObjectFig.mSynScanhastheabilitytoidentifytheunknownobjectthetelescopeiscurrentlypointingat.Todoso,simply:PresstheIDkey(Fig.m)orscrolldowntoIDENTIFYinthe1.mainandpressENTERtoidentifytheobject.Ifitisatrulyunknownobject,thehandcontrolwilltakeyou2.backtotheIDENTIFY.PressESCtoexitfromthisfunction.3.LinkingwithAComputerAnotherfeatureoftheSynScanistheabilitytoconnecttoacomputerverialcable.ManycommerciallyavailableplanetariumsoftwarescanbeusedtocontroltheSynScan.LooksoftwarescompatiblewithNexStar5.BelowdescribestheprocedureonhowtoconnectanddisconnecttheSynScatoacomputer:Fig.nHandControlMakesurethatthetelescopehasbeenaligned.ConnecttheRS-232cabletotheRJ-11connectoronthehandcontrolandtotheCOM-portofyourcomputer(Fig.n).nrynnd,t2r1.2.3.UTILITIESIntheplanetariumsoftwareofyourchoice,choose"CelestronNexStar5"inthedriversetupandfollowtheinstructionsprovidedbyyourprogramtoestablishtheRJ-114.connectiontothetelescope.TheSynScan shouldbeunderthefullcontrolofyourcomputeroncetheconnectionissuccessfullyestablished.Disconnectingfromthecomputer1.Followtheinstructionsprovidedbyyoursoftwaretotheconnectiontothetelescope.2.ned,sCoeldlyAutoGuidingeynsadrenetreanautoguider(seeFig.a,a-1).Thepin-outsonthe6pinmodularconnectorisST-4compatibleandcanbeusedformostautoguidersonthemarket.RefertoongereoeyndgFig.o1=NC2=Ground3=+RA(left)4=+DEC(up)5=-DEC(down)6=-RA(right)autoguider.Relayboxcanbeaddedforextra.Notethatthefourinputs654321areactive-low,withinternalpull-ups.GuidingspeedcanbeadjustedusingtheAutoGuideSpeedfunctionintheSetup.10DonotdisengagetynScanunitbeforeyoudisengagetheprogram.Doingsomacausesomeprogramsto ze.SeeAppendixCformoreinformationonRS-232connection.RJ-11Pin-outs1=NC2=TD3=GND4=GND5=RD654321 6=NCMAINTOURSETUPMODEUTILITYFUNC.IDENTIFYOBJECTDateObserv.SiteDaylightSavingAlignmentShowPositionDisplayTimeParkScopeRS-232PECTrainingSolarSystemMercuryVenusMarsJupiterSaturnUranusNeptunePlutoMoonAlign.Align.Align.SetBacklashSetTrackingNamedStarICCatalogueNGCCatalogueSingleStarDoubleStarGlobularStarUncertainStarGalaxiesClusterNebulaReflectionNebulaPlanetaryNebulaOpenClustersUserDefinedSiderealRateLunarRateMAINTOURSETUPMODEUTILITYFUNC.IDENTIFYOBJECTDateObserv.SiteDaylightSavingAlignmentShowPositionDisplayTimeParkScopeRS-232PECTrainingSolarSystemMercuryVenusMarsJupiterSaturnUranusNeptunePlutoMoonAlign.Align.Align.SetBacklashSetTrackingNamedStarICCatalogueNGCCatalogueSingleStarDoubleStarGlobularStarUncertainStarGalaxiesClusterNebulaReflectionNebulaPlanetaryNebulaOpenClustersUserDefinedSiderealRateLunarRateSolarRatePEC+SiderealRateStopTrackingAutoGuideSpeed1X0.75X0.5X0.25XInputCoordinateRecallObject11SynScan12PowerSupply: 11to15VDC2AmpSynScan12PowerSupply: 11to15VDC2Amp(Tippositive)Motortypeandresolution: Microstepdriven1.8?steppermotors.Resolution:0.144arcsec(or9,024,000steps/rev.)Slewspeeds: Rate0=0.5XRate1=1XRate2=8XRate3=16XRate4=32XRate5=64XRate6=400XRate7=500XRate8=600XRate9=800XGearRatio: 705TrackingRates: Sidereal,Lunar,SolarTrackingModes: R.A.trackingAlignmentMethod: Alignment,Three-StarAlignmentDatabase: 25userdefinedobjects.CompleteM,NGC,an atalogues,Total13,436objectsPointingAccuracy: Upto1arcminygesgdgserygesgdgsertHowever,ifhigherprecisionisrequired,forexampleforastro-photography,accuratepolaralignmentand"cone"errorcalibrationmayberequired.SeethemanualforHEQ5andEQ6mountforinformationonaccuratepolaralignmentusingthepolarscope.ConeErrorCalibration"Cone"errorisacommoninaccuracyfoundonallGermanequatorialmount.ItisaresultfromtheopticalaxisnotbeingalignedtotheR.A.axisofthemount.ThisaffectsthepointingaccuracyoftheSynScan."Cone"error.IfyouchooseOne-StarorTwo-StarAlignmentmethod,youwillneedtoperformmanualmountcalibrationtoeliminatethe"cone"error.Thefollowingcalibrationprocedureshouldbeperformedbeforetheinitialuseofthetelescopeandperiodicallythereaftertoensuretheaccuracy.TestingforConeErrorThisdoneatnightusingtwobrightstarslocatedontheoppositesideofthesky.Makesuretheusingthepolarscope.PerformtheOne-starAlignmentusinganeasternstarasthealignmentstar(seeOne-starAlignment).Afterthestaralignment,chooseabrightstaronthenymetedeeewoe.felisperfectlyalignedtotheR.A.axis,thetelescopewillaccuratelyputthestarinthecenteroftheeyepiece.Inthiscase,thereisno"cone"errorinyourtelescopesetupandyouwillnotneedtoperformthecalibration.Itisacceptableifthestarisslightlyoff-centeraslongasitisintheeyepeieceviewandtoe.yseegyfen,retalignment,R.A.orDeclockknobbeinglose,or"cone"error.Ifyourtelescopeputsthestaroutsidetheeyepieceview,youneedtofirstdeterminewhetheritis"cone"errorthatcausesthepointinginaccuracy.Tofindout,simplymovethetelescopeinR.A.axisbypressingtheLeftorRightdirectionkey.IfthestarcanbemovedintotheeyepieceviewwithoutadjustingtheDecaxis,itislikelythat"cone"errorexistsinyourtelescopesetup.CalibrationProcedure1.Inserttheilluminatedreticleeyepiece.Makesurethatthetelescopeisproperlysetupandbalanced,andthefinderscopeisperfectlyalignedwiththetelescopetube.tsr2.Findanybrightstarandplaceitinthecenteroftheeyepieceview.Lookintotheeyepiece.MovethetelescopeinR.A.axisusingtheR.A.directionkeysonthehandcontrolwhilecarefullyobservingthemovementofthestar.KeepmovingthethetelescopeinR.A.axisbackandforthtokeepthestarwithintheeyepieceview.Rotatetheeyepieceuntilthemovementofthestarbecomesparallelto(ormatches)anysetofthelines(Fig.A-1).ThissetoflineswillrepresentR.A.movementinthecourseofthisprocedure,andtheperpendicularlineswillrepresentDecmovement.Tigthenthesetscrewstosecuretheeyepieceinplace.Makesurethattheeyepiecewillremainstationarywhenthetelescopeisbeingrotated.3.Fig.A-14.ofthestarrotateeyepiecethiswayeyepieceviewIStep2to4istoidentifyR.A.andDecmovemeninthereticleeyepiece.Ifyouarealyfamiliawiththemovements,youmayskiptostep5.Requiredaccessory:Illuminatedreticleeyepiecewithdoublecrosslinepattern.Dependingonthdesignofyourmountingplate(dovetailbar),modificationsmayberequired.(Seestep10fortherequiredmechanismonthemountingplate.)5.PointthetelescopetoNorthandsetthelatitudescaletoyourlocallatitudeusingthealtitudeadjustmentT-bolts,orplacePolarisonthecrosshairofthepolarscopeifyourpolarscopeisperfectlyalignedwiththerotationaxisofthemount.LoosentheR.A.lockknobandrotatethetelescopearoundtheR.A.axisuntilthecounterweightshaftisparalleltotheground.(Fig.A-2)Usingthe5.PointthetelescopetoNorthandsetthelatitudescaletoyourlocallatitudeusingthealtitudeadjustmentT-bolts,orplacePolarisonthecrosshairofthepolarscopeifyourpolarscopeisperfectlyalignedwiththerotationaxisofthemount.LoosentheR.A.lockknobandrotatethetelescopearoundtheR.A.axisuntilthecounterweightshaftisparalleltotheground.(Fig.A-2)UsingtheDecdirectionkeyonthehandcontrol,adjustthetelescopeinDecsoPolarissitsontheR.A.linesofthereticleeyepiece(Fig.A-3).WithoutmovingtheR.A.axis,adjusttheazimuthcontrolknobstobringPolaristothecenteroftheeyepiece(Fig.A-4).AdjustmentinDecaxisusingthehandcontrolmaybenecessary.6.7.8.Fig.A-2Fig.A-3Fig.A-4DecPolarisR.A.NPlacePolarisontheR.A.lineFig.A-5LoosentheR.A.lockknobandcarefullyrotatethetelescope180?inR.A.axis.(Fig.A-5).ThisshouldbedoneasaccurateaspossibleusingtheR.A.settingcircle.10.Onceagain,adjustthetelescopeinDecsoPolarissitsontheR.A.linesofthereticleeyepiece(seeFig.A-3).9.Nowtakearlookatthemountingplateunderneath11.thetelescopetube.Thereshouldbeasetofscrewsoneachend,nexttothetuberinglockingscrews(Fig.A-6).(Ifyourmountingplatedoesnothavethesescrewsorscrewholes,youwillneedtomakemodificationtotheplate.)Fig.A-6tuberinglockingscrewadjustmentscrewsadjustmentscrewsIICarefullynudgethetelescopeinhorizontalmotionusingonlyonefingerwhileobservingtheCarefullynudgethetelescopeinhorizontalmotionusingonlyonefingerwhileobservingthemovementofPolaristhroughtheeyepiece(Fig.A-7).Thisistodeterminewhichdirection12.Fig.A-7(leftorright)mo