Instruction/ maintenance manual of the product 9843 Orion
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INSTRUCTION MANUAL IN 208 Rev . C 02/09 Providing Exceptional Consumer Optical Products Since 1975 Customer Support (800)-676-1343 E-mail: support@telescope.
2 Figure 1. The SpaceProbe 3 EQ. EZ Finder II EZ Finder II brac ket Declination slo w-motion control cab le Declination loc k knob Declination setting circle Counterweight shaft Counterweight Counterw.
3 T able of Contents 1. Unpacking ........................ 3 2. P ar ts List ......................... 3 3. Assembly ........................ 3 4. Getting Star ted .................... 4 5. Setting up and Using the Equatorial Mount ...................
be on the outside of the tr ipod legs. Secure the wing nuts finger-tight. 2. Install and tighten the leg lock knobs on the bottom br aces of the tripod legs. F or now , keep the legs at their shor t - est (fully retr acted) length; you can extend them to a more desirab le length later , after the tripod is completely assem- bled.
R.A. axis. Rotate it until the counterweight shaft is parallel to the ground (i.e., horizontal) 2. No w loosen the counterweight lock knob and slide the weight along the shaft until it exactly counterbalances the telescope (Figure 3a).
turning the power knob . For best results when stargazing, use the dimmest possib le setting that allows you to see the dot without difficulty . T ypically , a dim setting is used under dark skies and a bright setting is used under light-polluted skies or in da ylight.
F rom this point on in your obser ving session, you should not make an y fur ther adjustments in the azimuth or the latitude of the mount, nor should you mov e the tripod. Doing so will undo the polar alignment. The telescope should be moved only about its R.
8 setting circle . Remember to use the upper set of numbers on the R.A. setting circle. Retighten the lock knob . Most setting circles are not accurate enough to put an object dead-center in the teles.
9 Especially impor tant for obser ving faint objects is good “transparency”—air free of moisture, smoke , and dust. All tend to scatter light, which reduces an object’ s brightness. T ransparency is judged b y the magnitude of the faintest stars you can see with the unaided ey e (6th magnitude or f ainter is desirab le).
your telescope will be a lear ning e xper ience . Each time you work with y our telescope it will get easier to use, and stellar objects will become easier to find.
8. Specifications Optical tube: Steel Primar y mirror diameter : 76mm Primar y mirror coating: Aluminum with silicon dioxide (SiO 2 ) ov ercoat Secondar y mirror minor axis: 19.9mm F ocal length: 700mm F ocal ratio: f/9.2 F ocuser : Rac k and pinion, accepts 1.
the center screw with a larger Phillips head screwdriver (see Figure 9). T ur ning the screw clockwise will mov e the sec - ondar y mirror tow ard the front op en i ng o f t he o p ti ca l t ub e, while tur ning the screw coun - ter-clockwise will move the secondar y mirror toward the primar y mirror .
13 will need to mak e slight corrections to the telescope’ s position in order to account f or the sky’s apparent motion. Appendix B: Cleaning the Optics Cleaning Lenses Any quality optical lens c.
14 T o clean the pr imary mirror , carefully remo ve the mirror cell from the telescope. T o do this, you must loosen the three sc rews fro m t he e nd of th e op tic al tu be t hat ar e f lus h wi th the end of the tube.
15 One-Y ear Limited W arranty This Orion SpaceProbe 3 EQ is warranted against def ects in materials or workmanship f or a period of one y ear from the date of purchase.
An important point after buying a device Orion 9843 (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 9843 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 9843 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Orion 9843 you will learn all the available features of the product, as well as information on its operation. The information that you get Orion 9843 will certainly help you make a decision on the purchase.
If you already are a holder of Orion 9843, 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 9843.
However, one of the most important roles played by the user manual is to help in solving problems with Orion 9843. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Orion 9843 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
