Instruction/ maintenance manual of the product 9828 Orion
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INSTRUCTION MANUAL IN 168 Rev . B 04/09 Providing Exceptional Consumer Optical Products Since 1975 Customer Support (800) 676-1343 E-mail: support@telescope.
Dec. setting circle R.A. setting circle Counterweight Counterweight loc k knob Counterweight shaft R.A. slow-motion control cable Accessor y tra y Accessor y tra y brac ket Accessor y tra y brac ket attachment point Leg lock knob 2 Figure 1. EQ-2 Mount C ongratulations on your purchase of a quality Orion product .
3 T able of Contents 1. Unpacking ............................................................................................................................. 3 2. Assembly .............................................................................
DECLINA TION AXIS Latitude scale Latitude adjustment t-bolt Latitude lock t-bolt Azimuth loc k knob Dec. slow-motion control cable Dec. setting circle R.A. setting circle lock thumbscre w R.A. setting circle R.A. slow- motion control cable RIGHT ASCENSION AXIS Figure 2.
5 declination axis. This is because the telescope cannot be repositioned as it can when tube rings are used. Assuming you will be using tube rings, we will first balance the telescope with respect to the R.A. axis, then the Dec. axis: 1. K eeping one hand on the telesco pe opti cal tube, loosen the R.
6 Loo sen the D ec. loc k kno b and rot ate the t elesc ope opt ical tub e until it is parallel with the R.A. axis. The pointer on the Dec. set - ting circle should read 90°. Retighten the Dec. loc k lev er . Loosen the azimuth lock knob at the base of the equator ial mount and rotate the mount so the telescope tube (and R.
7 That’ s 5 hours and 35.4 minutes in r ight ascension, and -5 degrees and 27 arc-minutes in declination (there are 60 arc- minutes in 1 degree of declination). Bef ore you can use the setting circles to locate objects, the mount must be well polar aligned, and the R.
8 T o point the telescope to the east or west, or in other direc - tions, you rotate the telescope on its R.A. and Dec. axes . Depending on the altitude of the object you want to obser ve , the counterweight shaft will be or iented somewhere between vertical and hor izontal.
An important point after buying a device Orion 9828 (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 9828 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 9828 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Orion 9828 you will learn all the available features of the product, as well as information on its operation. The information that you get Orion 9828 will certainly help you make a decision on the purchase.
If you already are a holder of Orion 9828, 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 9828.
However, one of the most important roles played by the user manual is to help in solving problems with Orion 9828. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Orion 9828 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
