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Instructions Celestron, Modèle 21075

Fabricant : Celestron
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Nom Fichier : 50a28e24-90ed-4e74-ae61-42d0a10906f4.pdf

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The C102-AZ is similar to the Firstscope AZ and all text referred to in this manual on the Firstscope AZ applies equally to the C102-AZ. The telescope is shipped in one box which contains the optical tube, altazimuth mount and all the standard accessories, which include: Unpacking Your Firstscope AZ Setting Up the Aluminum Tripod ’ 25mm SMA Ocular 1-1/4" (36x) - with 70mm and 80mm models ■ 6mm F Ocular 1-1/4" (150x) - with 70mm only ’ 20mm Plossl Ocular 1-1/4” (50x) - with 102mm only ■ 6x30 Finderscope (for the 80mm and 102mm); 5x24 (for the 70mm) ■ 45° Erect Image Diagonal 1-1/4" • Slow Motion Controls • Adjustable Wood Tripod (some models have an aluminum tripod) Use the accompanying diagram (on page 3) to identify the various parts of your telescope for assembly and ongoing use. When setting up the telescope, find a large, clear area where the parts can be laid out. Remove the contents of the box and place them neatly on your work surface. Once your refractor has been unpacked and assembled, you will not need the boxes for everyday storage and transportation. However, you should save the box in case you need to ship your telescope via a common carrier. Setting Up the Wood Tripod BTo begin setting up your Firstscope AZ, start with the tripod and work up from there. Locate the Altazimuth mount and the tripod legs along with the tripod mounting hardware and the tripod accessory tray. 1. Lie the tripod head on its side. Attach the three tripod legs one by one on the tripod head with the bolts and wing nuts. Do not overtighten the bolts but just make them finger tight. Remember to have each tripod leg in the right orientation with the tripod tray bracket facing inward. 2. Now set the tripod with the Altazimuth mount attached in the standing position by speading the legs apart far enough for the tripod accessory tray to fit. 3. You are now ready to install the tripod accessory tray. The tripod tray bracket fits into the holes in the bottom of the tray (use the slots on the end of the brackets). Use the bolts and wing nuts to attach each bracket to the tray. 4. Tighten all bolts and wing nuts to ensure proper stability. If your model has the Aluminum Tripod: 1. Attach the legs to the tripod head as above. 2. Spread the legs apart. 2 FIRSTSCOPE A Z The Firstscope AZ fully assembled. Use this illustration and others throughout this manual, to familiarize yourself with the various parts of your Firstscope AZ telescope. Adjusting the Tripod Height 3. Attach the accessory tray to the leg braces. With the tripod set up, you can adjust the height of the tripod. To do this: 1. Loosen the wing nuts on the lower portion of the tripod leg. 2. Slide the center slat of the leg away from the tripod head until at the desired height. 3. Tighten the wing nut (completely) to hold the leg firmly in place. A wrench is provided to hold the bolt in place while you are turning the wing nut. Repeat this process for each tripod leg. 3 Attaching the Slow Motion Control Knobs Slow Motion Shaft You are ready to attach the slow motion control knobs. 1. Retract the set screw on the metal sleeve of the slow motion control knobs until it no longer extends into the inner diameter. The metal sleeve is on the opposite end of the cable from the slow motion knob. 2. Slide the end of the metal sleeve over one of the two shafts protruding from the mount. Make sure that the set screw on the metal sleeve is over the flat part of the shaft (see figure 2-2). The shaft on the right side of the telescope platform controls altitude adjustments while the one on the left controls azimuth adjustments (see figure 2-3). Figure 2-2 This illustration shows the correct orientation of the metal sleeve relative to the slow motion shaft. 3. Tighten the set screws to hold the slow motion control cables in place. Attaching the Telescope The optical tube is held to the mount with two mounting rings. On the bottom to the Mount of the mountin9 rin9s are square extrusions — one on each ring. This portion of the ring slides over part of the mounting platform to hold the telescope in place. 1. Slightly loosen the screws that hold the mounting rings on the telescope in place. 2. Slide the rings apart so that each is toward a different end of the telescope. Ideally, the mounting rings should be slightly farther apart than the length of the mounting platform. 4 Pointing the AZ Telescope 3. Place the telescope tube on the mount and orient it so that the objective lens is opposite the slow motion control handles. 4. Slide the rings together until the square extrusions fit over the ends of the mounting platform. 5. Tighten the bolt on the square extrusion on the ring closest to the objective lens to hold the telescope to the mount (C). This knob is on the opposite side of the mounting ring from the hand tightening knob. 6. Tighten the screws that hold the mounting rings in place (A and B). This will keep the telescope from slidin...