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iOptron Corp. | 6E Gill Street | Woburn, MA 01801 USA | (781) 569-0200 | Toll Free (866) 399-4587 | www.iOptron.com
Return the mount to Zero Position after balancing;
i.e.,CWShaftpointstoground,andtelescopetipisat
itshighestposition.
TurnGearSwitchKnobby90°toLOCKpositiontore‐
engagethewormtothewormwheel.Retightenthe
TensionAdjusterasthelaststep
tolockthegear(see
Notesbelow).
ImportantNotesonTensionAdjusters
The rule of thumb is to fully screw in the Tension
Adjuster and then back out by about 2 turns.The
optimum spot varies with actual conditions, but is
mostly within 1‐3 turns from the fully tightened
position.Ideally,itshouldbeatapositionjustdeep
enough to rid any free movements (plays), while
force on the worm assembly is kept at a minimum.
PleaserefertoUser’sManualformoredetails.
8. Connect Cables:Use the straight RJ11 cable to
connect DEC Control Unit to Main Control Unit.
Connect Go2Nova
®
8408 Hand Controller to the HC
portonthemainunit.Plugina12VDCpowersupply
tothePOWERsocket.
9. PolarAlignment:RemovePolarScopecovers.Look
through polar scope to locate Polaris (or Sigma
Octantis at southern hemisphere).Slightly loosen
Tripod Center Rod Knob. Use Azimuth Adjustment
Knobstocenterthepolestarintheazimuthdirection,
followedbytighteningtheCenterRodKnob.Slightly
loosen 2 Latitude Locking T‐bolts,
use Latitude
AdjustmentKnobtoadjustthela titude.Tightenthe
2lockingT‐bolts.
Polar Axis Cover
Polar Scope Cover
Polar Axis (R.A. axis)
Azi. Adj. Knob
Lat. Adj. Knob
Lat. Locking T-bolt
QuickPolarAlignment
Fastandaccuratepolaralignmentcanbeperformed
withiOptron’sAccuAligning
TM
PolarScope.
(1) Connect Polar Scope LED cable between main
unit’sReticleplugandLEDsocketunderDECaxle.
UseHandController(“SetUpController”=>“Set
PolarScopeLight”)tosetilluminationintensity.
Polar Scope LED
(2) UseHandController(MENU=> “Align”=>“ Pole
Star Position”)to displaythePolaris Positionon
theLCDscreen,asindicatedintheleftsideofthe
figure below.For example, on May 30
th
, 2010,
20:00:00atBoston,US(latN42º30’32”andlong
W71º08’50”), 300 min behind UT, the Polaris
Positionisat1h26.8mand41.5m
(3) Use Azimuth and Latitude Adj. Knobs to adjust
themountinboth directionsandputthePolaris
R.A. balance
DEC balance