ആമുഖം
This manual provides comprehensive instructions for the assembly, operation, maintenance, and troubleshooting of your Celestron Omni XLT 102 Refractor Telescope. Designed for both novice and experienced astronomers, this telescope features high-quality optics and a precise German Equatorial (EQ) mount for enhanced celestial observation.

Figure 1: The Celestron Omni XLT 102 Refractor Telescope fully assembled, showcasing its optical tube, German Equatorial mount, and sturdy tripod.
സജ്ജീകരണവും അസംബ്ലിയും
Careful assembly is crucial for optimal performance. Follow these steps to set up your telescope.
1. Tripod and Mount Assembly
Begin by extending the tripod legs and securing them. Attach the CG-4 German Equatorial mount to the tripod head. Ensure all locking knobs are tightened for stability.

ചിത്രം 2: വിശദമായി view of the CG-4 German Equatorial Mount, highlighting setting circles, slow-motion controls, and worm gears for precise movement.
2. Attaching the Optical Tube
Carefully attach the Omni XLT 102 optical tube to the mount's dovetail clamp. Ensure it is securely fastened. The optical tube features hand-figured lenses for superior image quality.

Figure 3: Close-up of the optical tube's objective lens, emphasizing the hand-selected glass for quality.
3. ആക്സസറികൾ ഇൻസ്റ്റാൾ ചെയ്യുന്നു
Install the 6x30 optical finderscope into its bracket and secure it. Insert the 1.25" star diagonal into the focuser, and then insert the 25mm multicoated eyepiece into the star diagonal. Ensure all components are snug but not overtightened.

Figure 4: Essential accessories included with your telescope: full-height tripod, 25mm eyepiece, 1.25" star diagonal, and 6x30 finderscope.
4. ടെലിസ്കോപ്പ് ബാലൻസ് ചെയ്യുന്നു
Properly balance the telescope by adjusting the counterweights on the counterweight shaft. This ensures smooth tracking and prevents strain on the mount's gears.
നിങ്ങളുടെ ദൂരദർശിനി പ്രവർത്തിപ്പിക്കുന്നു
Once assembled, you can begin observing. Familiarize yourself with the mount's controls and optical features.
1. ഫൈൻഡർസ്കോപ്പ് വിന്യസിക്കൽ
Before observing celestial objects, align the finderscope with the main telescope. Point the main telescope at a distant terrestrial object during daylight. Center the object in the main eyepiece, then adjust the finderscope's alignment screws until the same object is centered in its crosshairs.
2. ഫോക്കസിംഗ്
Use the focuser knob to achieve a sharp image. Turn the knob slowly until the object appears clear and crisp. For fine adjustments, slight movements are often sufficient.
3. Using the German Equatorial Mount
The CG-4 German Equatorial mount allows you to track celestial objects as they move across the night sky. After polar alignment (aligning the mount's polar axis with the Earth's rotational axis), you can use the slow-motion controls to smoothly follow objects with a single axis adjustment.
4. StarBright XLT Optical Coatings
Your Omni XLT 102 features Celestron's proprietary StarBright XLT anti-reflective coatings on all air-to-glass surfaces. These coatings maximize light transmission, resulting in brighter, clearer images with enhanced contrast.

Figure 5: Illustration of StarBright XLT Optical Coatings, designed for maximum light transmission.
5. Utilizing Astronomy Software and Apps
Enhance your observing experience with the included Starry Night astronomy software and the Celestron SkyPortal planetarium app. These tools can help you identify celestial objects and plan your viewing സെഷനുകൾ.

Figure 6: Visual representation of the Starry Night educational software and the SkyPortal planetarium app, useful for locating celestial objects.
മെയിൻ്റനൻസ്
Proper maintenance ensures the longevity and performance of your telescope.
- ക്ലീനിംഗ് ഒപ്റ്റിക്സ്: Use a soft brush to remove dust from lenses. For smudges, use a specialized optical cleaning solution and a microfiber cloth. Avoid touching optical surfaces with bare hands.
- പൊതുവായ ശുചീകരണം: Wipe down the telescope tube and mount with a clean, damp തുണി. ഉരച്ചിലുകൾ ഉള്ള ക്ലീനറുകൾ ഒഴിവാക്കുക.
- സംഭരണം: Store the telescope in a dry, dust-free environment. If possible, use the original packaging or a padded case to protect it from impacts.
- ലൂബ്രിക്കേഷൻ: The mount's gears are pre-lubricated. Do not attempt to lubricate them unless specifically instructed by Celestron support.
ട്രബിൾഷൂട്ടിംഗ്
If you encounter issues with your telescope, refer to the common problems and solutions below.
| പ്രശ്നം | സാധ്യമായ കാരണം | പരിഹാരം |
|---|---|---|
| ചിത്രം മങ്ങിയതോ ഫോക്കസിന് പുറത്തോ ആണ്. | Improper focus; atmospheric conditions; eyepiece not fully inserted. | Adjust the focuser knob slowly. Wait for stable atmospheric conditions. Ensure eyepiece is fully seated in the diagonal. |
| വസ്തുക്കൾ കണ്ടെത്താൻ കഴിയുന്നില്ല. | Finderscope not aligned; incorrect polar alignment; unfamiliarity with sky. | Align the finderscope with the main telescope. Perform accurate polar alignment. Use Starry Night software or SkyPortal app to locate objects. |
| വസ്തുക്കൾ പുറത്തേക്ക് ഒഴുകുന്നു view വേഗം. | Mount not polar aligned; slow-motion controls not engaged. | Ensure the mount is accurately polar aligned. Engage and use the slow-motion controls for tracking. |
| Chromatic aberration (color fringing) visible. | Inherent characteristic of refractor telescopes; bright objects. | This is normal for refractor telescopes, especially on very bright objects. It can be minimized with appropriate filters (e.g., a minus-violet filter). |
സ്പെസിഫിക്കേഷനുകൾ
| ഫീച്ചർ | വിശദാംശങ്ങൾ |
|---|---|
| ഉൽപ്പന്ന അളവുകൾ | 53 x 10 x 10 ഇഞ്ച് |
| ഇനത്തിൻ്റെ ഭാരം | 43 പൗണ്ട് |
| ASIN | B000NMOIOE |
| ഇനം മോഡൽ നമ്പർ | 21088 |
| ബ്രാൻഡ് | സെലെസ്ട്രോൺ |
| ഒപ്റ്റിക്കൽ ട്യൂബ് നീളം | 70 മില്ലിമീറ്റർ |
| ഒബ്ജക്റ്റീവ് ലെൻസ് വ്യാസം | 102 മില്ലിമീറ്റർ |
| ടെലിസ്കോപ്പ് മൗണ്ട് വിവരണം | Equatorial Mount (CG-4 German Equatorial) |
| ഫോക്കസ് തരം | മാനുവൽ ഫോക്കസ് |
| ഫൈൻഡർസ്കോപ്പ് | 6x30 Optical Finderscope |
| Eyepiece Included | 25mm Multicoated Eyepiece |
| ഒപ്റ്റിക്കൽ കോട്ടിംഗ്സ് | StarBright XLT Fully Multi-Coated |
വാറൻ്റിയും പിന്തുണയും
Celestron products are designed for durability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official Celestron webസൈറ്റ്. സാങ്കേതിക പിന്തുണയ്ക്ക്, ഉൽപ്പന്ന രജിസ്ട്രേഷന്, അല്ലെങ്കിൽ അധിക ഉറവിടങ്ങൾ ആക്സസ് ചെയ്യുന്നതിന്, ദയവായി സന്ദർശിക്കുക www.celestron.com/support.





