Celestron CPC Deluxe 925 HD Computerized Telescope CPC Deluxe HD Manual - Page 7

Adjusting theTripod Height The tripod that comes with your CPC telescope is adjustable. To adjust the height at which the tripod stands: 1. Loosen the extension clamp on one of the tripod legs (see figure 3-1). 2. Extend the leg to the desired height. 3. Tighten the extension clamp to hold the leg in place. 4. Repeat this process for each of the remaining legs making sure that the tripod is level when complete. You can do this while the tripod legs are still folded together. Remember that the higher the tripod legs are extended, the less stable it is. For casual observing, this may not pose a problem. However, if you plan on doing photography, the tripod should be set low to ensure stability. A recommended height is to set the tripod in such a manner that you can look directly into the eyepiece on the telescope with a diagonal while seated. Attaching theCPC to theTripod Note: When transporting your telescope, make sure that both clutches are somewhat loose; this will diminish the load placed on the worm gear assemblies and protect them from damage. Azimuth Locking Knob Altitude Locking Knob FIGURE 3-3 The CPC has an altitude locking knob (right) located on the fork arm and an azimuth locking knob (left) located on the top of the base. Mounting Bolts Positioning Pin >> Installing the Star Diagonal The star diagonal is a prism or mirror that diverts the light at a right angle to the light path of the telescope. This allows you to observe in positions that are physically more comfortable than if you looked straight through. To attach the 1.25" star diagonal onto the 8" optical tube: 1.25" Eyepiece FIGURE 3-2 Mounting the Telescope After the tripod is set up, you are now ready to attach the telescope. The bottom of the CPC base has three threaded holes that mount to the tripod head and one hole in the center that goes over the positioning pin on the tripod head. 1. Place the center hole in the bottom of the telescope base over the positioning pin in the center of the tripod head. 2. Rotate the telescope base on the tripod head until the three feet on the bottom of the base fall into the feet recesses on the top of the tripod head. 3. Thread the three attached mounting bolts from underneath the tripod head into the bottom of the telescope base. Tighten all three bolts. You are now ready to attach the visual accessories onto the telescope optical tube. Adjusting the Clutches The CPC has a dual axis clutch system. This allows you to move the telescope manually even when the telescope is not powered on. However, both clutches need to be tightened down for the telescope to be aligned for "GoTo" use. Any manual movement of the telescope will invalidate your telescope's alignment. Before attaching your visual accessories, first loosen the altitude locking knob while holding the telescope tube by the rear cell handle. Rotate the tube upwards until it is level with the ground and tighten the locking knob. >> www.celestron.com 1.25" Star Diagonal Visual Back FIGURE 3-4 Visual accessories for the 8" 1. Turn the set screw on the visual back until its tip no longer extends into (i.e., obstructs) the inner diameter of the visual back. 2. Slide the chrome portion of the star diagonal into the visual back. 3. Tighten the set screw on the visual back to hold the star diagonal in place. If you wish to change the orientation of the star diagonal, loosen the set screw on the visual back until the star diagonal rotates freely. Rotate the diagonal to the desired position and tighten the set screw. To attach the 2" star diagonal onto the 9.25/11" optical tubes: 1. Remove the visual back from the rear of the tube. 2. Attach the threaded ring of the 2" diagonal to the rear cell of the telescope. 3. Loosen the thumb screws on the side of the diagonal and remove the 1.25" adapter from the barrel of the diagonal. If you wish to change the orientation of the 2" star diagonal, loosen the retaining ring that attaches the diagonal to the rear cell. Rotate the diagonal to the desired position and tighten the retaining ring. 5