Instruction/ maintenance manual of the product EQ-2 Orion
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INSTRUCTION MANUAL IN 168 Rev . A 0719 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 lock knob Counterweight shaft R.A. slow-motion control cable Accessory tray Accessory tray bracket Accessory tray bracket attachment point Leg lock knob 2 Figure 1. EQ-2 Mount C ongratulations on y our purchase of a quality Or ion product .
3 T able of Contents 1. Unpacking ............................................................................................................................. 3 2. Assembly .............................................................................
D E C L IN A T IO N A X IS Latitude scale Latitude adjustment t-bolt Latitude lock t-bolt Azimuth lock knob Dec. slow-motion control cable Dec. setting circle R.A. setting circle lock thumbscrew R.A. setting circle R.A. slow- motion control cable R IG H T A S C E N S IO N A X IS 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. Keeping one hand on the telescope optical tube, loosen the R.
6 Loosen the Dec. lock knob and rotate the telescope optical tube until it is parallel with the R.A. axis. The pointer on the Dec. setting circle should read 90°. Retighten the Dec. lock lever . Loosen the azimuth lock knob at the base of the equatorial mount and rotate the mount so the telescope tube (and R.
7 That’s 5 hours and 35.4 minutes in right ascension, and -5 degrees and 27 arc-minutes in declination (there are 60 arc- minutes in 1 degree of declination). Before 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 observe, the counterweight shaft will be oriented somewhere between vertical and horizontal.
An important point after buying a device Orion EQ-2 (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 EQ-2 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 EQ-2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Orion EQ-2 you will learn all the available features of the product, as well as information on its operation. The information that you get Orion EQ-2 will certainly help you make a decision on the purchase.
If you already are a holder of Orion EQ-2, 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 EQ-2.
However, one of the most important roles played by the user manual is to help in solving problems with Orion EQ-2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Orion EQ-2 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
