Instruction/ maintenance manual of the product 9541 Orion
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INSTRUCTION MANUAL IN 375 Rev A 10/09 Customer Support (800 ) 676 -1 343 • E-mail: suppor t@telescope.com Corporate Offices (831) 763-7000 • 89 Hangar W ay , W atsonville, CA 95076 Orion ® T able.
2 Congratulations on your purchase of a T ab leT op telescope. The T ab leT op will provide years of enjoy - ment of many night-sky treasures including breath - takin g vie ws of the Moon, planet s, and ev en some bright de ep sky o bjects . The Maksu tov- Casseg rain and refr actor models are also suitable f or e xploring terrestrial vistas.
3 Altazimuth base: This wooden base provides a stable base f or the telescope. It allows you to mov e the telescope in alti - tude (up/down) and azimuth (left/right). Photo T ripod Adapter: This allows you to attach y our T ableT op base to an optional photo tripod.
4 Dovetail Holder: Secures the telescope into the mini-Dob style mount by holding the dovetail bar preinstalled on the telescope tube. 90° Star Diagonal: An adapter used on refractor and cata - dioptric telescopes that positions the e yepiece to a more com- f or table viewing angle and pro vides a right side up image.
5 When unpacking the telescope it is suggested that you sav e the inter nal packaging. In the unlikely e vent the product needs to be retur ned the shipping materials can be re-used to ensure it arrives saf ely at its destination.
6 The first time you use the EZ Finder II y ou will need to remov e the clear plastic tab near the batter y cov er ; this tab pre vents the batter ies from accidentally being drained dur - ing shipment. T urn the power knob clockwise until you hear the “click” indicating that power has been turned on.
7 on the re taining c lip and re mov e the o ld batte ry . Do not over bend the retaining clip . Then slide the new battery under the batter y lead with the positive (+) side facing down and replace the batter y cov er . Attaching the Diagonal GoScope 80 Attach the 90˚ star diagonal to the optical tube.
8 usage because the image in the ey epiece is in verted (upside- down). The e yepiece will also be too low to the ground for comf or table viewing when pointed near the horizon. Placing the T ableT op One of the great assets of the T ableT op is its extremely por - table size.
9 shar p focus until the image star ts to blur again, then re verse the rotation of the knob and stop when shar p focus has been achie ved again. Using Y our T elescope Choosing an Observing Site When.
10 Magnification Limits Every telescope has a useful magnification limit of about 2X per millimeter of aper ture. This comes to 160X for the 80mm T ableT op . Some telescope manuf acturers will use misleading claims of e xcess magnification, such as “See distant galaxies at 640X!”.
11 and Saturn are the br ightest objects in the sky after the Sun and the Moon. Y our T ableT op is capable of showing y ou these planets in some detail.
12 Do Y ou Wear Eyeglasses? If you wear ey eglasses, you may be able to keep them on while you obser ve . In order to do this, your ey epiece must hav e enough “ey e relief ” to allow you to see the entire field of view with glasses on.
13 Specifications #9549 GoScope 80 T ableT op Optical design Refractor Objective lens Achromatic, air-spaced, fully coated Aper ture 80mm F ocal length 350mm F ocal ratio f/4.3 Diagonal 90° prism, accepts 1.25" ey epieces Eyepieces 20mm ey epiece (18x) and 10mm ey epiece (35x), fully coated, 1.
14 Aligning the Secondary Mirror Only the secondary mirror can be adjusted on the T ableT op. If the secondar y mirror seems off center , or the star test as described abov e is showing an elliptical or off center diffrac - tion patter n you ma y need to adjust the tilt of the mirror using the three allen-head screws on the secondary holder .
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16 One-Y ear Limited W arranty The Orion T ableT op T elescopes are warranted against def ects in materials or workmanship f or a period of one y ear from the date of purchase . This warranty is f or the benefit of the original retail purchaser only .
An important point after buying a device Orion 9541 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Orion 9541 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Orion 9541 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Orion 9541 you will learn all the available features of the product, as well as information on its operation. The information that you get Orion 9541 will certainly help you make a decision on the purchase.
If you already are a holder of Orion 9541, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Orion 9541.
However, one of the most important roles played by the user manual is to help in solving problems with Orion 9541. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Orion 9541 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center