iOptron CEM60 User manual

InstructionofCEM60PolarScopeAdjustment
May16,2014
AlignthePolarScopetoRAaxis
Connectthepowerandhandcontroller,turnthemount
on.Rotatethemountheadtotheleftside.Centerthe
polarscopecrosshairsontoapointobject.Rotatethe
mounthead180degreeinR.A.Ifthepolarscope
crosshairsdoesnotstayinthesameplace,thePolar
ScopeisnotalignedwelltothemountRAaxis.Toadjust
it:
1. Removethebubblelevelfromthepolarscopeby
releasingtwobubblelevelsetscrews.

2. RemovethePolarScopeilluminationLED

3. TherearethreeReticleAdjustmentScrewsonthe
sideofthePolarscope,asshowninthefollowing
photo.

(1)Bringtheobjecthalfthedistancetothecenterby
adjustingthereticleadjustmentscrews.Looseone
screwfirst,thentightentheotherscrew(s).Only
loose/tightenonescrewatatimeandverysmall
amountofturneachtimetoavoidthereticletotallylost
itsposition.Itmaytakeafewminutestofamiliarize
yourselfwiththescrewsthatmovethepolarscopein
theappropriatedirection.PLEASEdonotovertighten
thesettingscrews.(2)Rotatethemount180degreeto
bringthemountbacktotheleftside.Ifyouarelucky
enough,theobjectwillstayincenterofthepolarscope.
Otherwise,repeatStep1tofurthermovetheobjectto
thecenter.Afterfewtimes,theobjectwillstayin
centerwhenthemountisflippedfromrighttoleft.




x
x
Rotate
Rotate
Center the object
Bring the object
half the distance
to the center
xx
xx
Rotate
Rotate
Center the object
Bring the object
half the distance
to the center
ReticleAdj.Screws
ObjectiveLens
LockRing

RotatingPolarScope12O’clockMark
4. Remove3screwsthatholdtheCableManagement
InputPanel

5. PullthePaneloutalittleanduseahexwrenchto
loosentwoPolarScopelockingscrews(maybeone)
thatholdthePolarScopeinplace

6. RotatethePolarScopewhilelooktroughthePolar
Scopetomakesure12o’clockisatthetop.You
needtomakesurethatthemountIsatzero
position.
7. RetightenthePolarScopelockingscrews.
8. PerformthetestlistedinAlignthePolarScopeto
RAaxistomakesurethePolarScopeisstaying
alignedwiththeRAaxis.

AdjustPolarScope12O’clockPosition(soitcanbe
alignedtoBubbleLevelindicator.)
Ifthe12o’clockisalittlemisalignedtothebubblelevel
indicator,youcanadjustitbyrotatingthereticle,which
maybeaverytediouspractice.Oryoucanjustleaveit
asisandjustbyeyeballingthe12o’clockposition.To
adjustit,followSteps1,2,4,and5,then
9. Pulloutthepolarscope
10. Unthreadobjectivelensandeyepiece

11. ThreadontheLED.
12. Evenlyloosenthreereticleadjustmentscrewsthat
lockingthereticleinplace.
13. Useapairoftweezerstorotatethereticleandalign
the7:30ofthedialtotheLEDoutlet.Youmay
connectthecableandpoweritontoassistthe
alignment.

14. Evenlytightenthereticlesetscrews
15. Insertthepolarscopebacktomount.Makesure
themountisleveledandatzeroposition.Youmay
useTelescopeMotionSearchingZeroPos.tofind
thezeroposition.Turnthepolarscopetomakethe
12ontop.Youmayuseaverticallinesuchasa
cornerofawallasthereferencetoalignthe6‐12
lineofthereticle.Tightenthepolarscopelocking
screwstofixthepolarscopeonthemount.
16. SecuretheInputPaneltorevealthreepolarscope
reticleadjustmentscrewsonthepolarscope.
17. AlignthePolarScopetoRAaxis

AdjusttheObjectiveLensFocus
18. FollowSteps1,2,4,5and9,thenaimthepolar
scopetoandistantobject.Loosentheobjective
lockingringandturntheobjectivelenstoadjustthe
focustoyoureyesight.Relockingthelockingring.

19. FollowRotatingPolarScope12O’clockMarkto
insertthepolarscopeback.
20. FollowAlignthePolarScopetoRAaxistocenter
thePolarscope.