iOptron 7100, 7101, 7102

inthelocationonthePolarScopeDial(sameas

indicatedontheHCLCD),asshownintheright

sideoftheabovefigures.

BrightStarPolarAlignment

Whenwithoutapolarscopeorthepolestarisnotin

sight:

(1) LevelthemountandsetitatZeroPosition.Align

thetelescopeparalleltotheR.A.axisofthe

mount.SetcorrectR.A.andDECbacklashvalues.

Aneyepiecewithcrosshairsisrecommended.

(2) UseHC(MENU=>“Align”=>“PolarAlignment”)

todisplaytheazimuthandaltitudepositionof

severalbrightstarsnearmeridian.Selectone

thatisvisibleandhighinaltitudeasthe

AlignmentStarA.FollowtheHCinstructionsto

movetheStarAtothecenteroftheeyepiece

withthecombinationofusingLatitudeAdj.Knob

and“◄”/“►”buttons.PressENTERtoconfirm

thecentering.Next,selectabrightstarthatis

closetothehorizonastheAlignmentStarB.

CenteritusingAzimuthAdj.Knoband“◄”/“►”

buttons(The“▲”and“▼”buttonsarenotused

here).PressENTERtoconfirm.

(3) ThetelescopewillnowslewbacktoStarAto

repeatabovesteps.Theiterationcanbestopped

whenitisdeterminedthatthealignmenterroris

attheminimum.PressBACKbuttontoexitthe

alignmentprocedure.



10. ManualOperation:Themountcannowbeusedto

observeastronomicalobjectswiththeHC.Usearrow

keys(►,◄,▼,and▲)topointthetelescopetothe

desiredobject.Usethenumberkeystochangethe

slewingspeed.PressSTOP/0buttontostarttracking.

11. SetUpController:PressMENU;then“SetUp

Controller”=>“SetUpTime&Site”.



EntercurrentdateandcheckforDaylightSavingTime

usingarrowandnumberkeys.Entertimezone(in

60‐minutesincrement)byenteringminutes“behind”

or“aheadof”UT;forexamples:

• Bostonis300minutes“behind”UT

• LosAngelesis480minutes“behind”UT

• Romeis60minutes“ahead”ofUT

• Sydneyis600minutes“ahead”ofUT

MovecursortotheendofscreentoselectNorthern

orSouthernHemisphere.

[TIPS:AlltimezonesinN.Americaare“behind”UT.

Latitudeandlongitudecoordinatescanbeobtained

fromGPS‐equippeddevices(navigator,phone),or

frominternet.“W/E”=western/easternhemisphere;

“N/S”=northern/southernhemisphere;and“d”=

degree;“m”=minute;and“s”=second.Usearrow

andnumberkeystoenterlocationinformation.]

12. OneStarAlignment:MakesurethemountisatZERO

positionbypressMENU=>“ToZeroPosition”.

PerformOneStarAligntocorrecttheZeroPosition

discrepancy.TofurtherimprovetheGOTOaccuracy,

refertothefullmanualformoredetails.

13. GotoanObject:ThemountisnowreadyforGOTO

andtrackingtargets.PressMENU,selectandENTER

“SelectandSlew”.Selectacategory(forexample,

“Planets,Sun,Moon”),thenanobject(forexample,

“Moon”).PressENTERandthetelescopewillslewto

theobjectandautomaticallystarttracking.

14. SynctoTarget:Iftheobjectisnotinthecenterof

theeyepiece,usethisfunctiontocenterand

synchronizetheobjecttoimprovelocalGOTO

accuracy.PressMENUandselectandENTER“Sync

toTarget”.Usearrowkeystomoveuntiltheobjectis

centeredineyepiece.PressENTERagaintocomplete

thisfunction.

[TIP:“SynctoTarget”canonlyfunction��aftera

“SelectandSlew”operation.Thisismostuseful

whenlookingforfaintobjectsnearabrightstar.

“SynctoTarget”issimilarto“OneStarAlignment”.]

[TIP:Afterslewingtoanobject,alistofnearbybright

object(s)canbedisplayedbypressing“?”button.]

ReminderonTensionAdjusters

TheTensionAdjustersareusedasthelaststepto

lock,andthefirststeptoreleasethegears.Never

fullytightenthemduringoperations.Theoptimum

positionisonejustdeepenoughtoridanyplays.

HesitationinturningtheGearSwitchby90°means

theTensionAdjusterhasnotbeenloosenedenough.

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