Celestron OMNI XLT 102 manual Attaching the Center Leg Brace, Installing the Counterweight Bar

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Attaching the Center Leg Brace

Tripod

Mounting Knob

Central Rod

Accessory Tray

Accessory Tray Knob

Figure 2-6

1.Remove the accessory tray knob and washer from the central rod.

2.Slide the accessory tray over the central rod so that each arm of the tray is pushing against the inside of the tripod legs.

3.Thread the accessory tray knob onto the central rod and tighten.

Installing the Counterweight Bar

To properly balance the telescope, the mount comes with a counterweight bar and two counterweights. To install the counterweight bar:

1.Remove the counterweight safety screw from the counterweight bar (opposite of the threaded end).

2.Thread the counterweight bar through the counterweight bar locking nut.

3.Locate the opening in the equatorial mount on the DEC axis.

4.Thread the counterweight bar into the opening until tight.

5.Tighten the counterweight bar lock nut fully for added support (see fig 2-7).

Once the bar is securely in place you are ready to attach the counterweights.

Counterweight Bar

Locking Nut

Counterweight Locking Counterweights Screw

Counterweight

Bar

Safety Screw

Figure 2-7

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Contents Omni XLT Series Telescopes Table of Contents Astrophotography Page Omni XLT 102 Refractor Omni XLT 150 Newtonian Omni XLT 127 Schmidt-Cassegrain Setting up the Tripod Attaching the Equatorial Mount Installing the Counterweight Bar Attaching the Center Leg BraceInstalling the Counterweights Attaching the Slow Motion Control Knobs CablesAttaching the Telescope Tube to the Mount Installing the Finderscope Installing the Visual BackInstalling the Star Diagonal Installing the EyepiecesMoving the Telescope Manually Balancing the Mount in R.AAdjusting the Mount Balancing the Mount in DECAdjusting the Mount in Altitude Adjusting the Mount in AzimuthPage Page Focusing Image OrientationAligning the Finderscope Calculating MagnificationDetermining Field of View General Observing HintsCelestial Coordinate System Motion of the Stars Latitude Scale Pointing at PolarisFinding the North Celestial Pole Polar Alignment in the Southern Hemisphere Polar Alignment with the Latitude ScalePointing at Sigma Octantis Finding the South Celestial Pole SCPDeclination Drift Method of Polar Alignment Aligning the R.A. Setting Circle Using the R.A. Vernier Scale 11 Vernier ScaleObserving the Planets Observing the MoonLunar Observing Hints Planetary Observing HintsObserving Deep Sky Objects Observing the SunSolar Observing Hints Seeing ConditionsUsing the Lens Cap Aperture Stop with Refractor Telescopes SeeingPiggyback Photography Using Digital Cameras Eyepiece Projection for a Schmidt-Cassegrain FullLong Exposure Prime Focus Photography Planetary and Lunar Photography with Special Imagers Metering CCD Imaging for Deep Sky ObjectsTerrestrial Photography Reducing VibrationCare and Cleaning of the Optics Collimation of RefractorsCollimation of a Schmidt-Cassegrain Two 2 turnsCollimated telescope Should appear Symmetrical with Collimation of a Newtonian Aligning the Secondary MirrorBoth mirrors aligned with your eye looking into the focuser Night Time Star Collimating As a Series 1 # Page Page Appendix a Technical Specifications Appendix B Glossary of Terms Page Page Page Page Page Page Page Page Celestron Two Year Warranty