Instruction/ maintenance manual of the product 78-7846 Bushnell
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Instructi on Manual A UTOMATED TR A CKING SYSTEM 78-7876 76mm RefLEC t or 78-7846 114mm RefLEC t o r Lit. #: 91-0216/03-01.
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WHERE DO I START? Y our Bushnell telescope can bring the wonders of the universe to your eye. While this manual is intended to assist you in the set-up and basic use of this instrument, it does not cover everything you might like to know about astronomy .
P arts Diagrams 4. 78-7876 76mm Reflec t or 1. Wide Field Finderscope 2. T elescope Main Tube 3. Primary Mirror (Internal) 4. Fine Adjustment Cables 5. Latitude Lock Knob 6. Horizontal Axis Lock Knob 7. T ripod Leg 8. Accessory T ray Brace 9. Quick-Release Accessory T ray 10.
78-7846 114mm Reflec to r P arts Diagrams (Continued) 5. 1. Wide Field Finderscope 2. Cradles 3. T elescope Main T ube 4. Primary Mirror (Internal) 5. Latitude Lock Knob 6. T ripod Leg 7. Accessory T ray Brace 8. Quick-Release Accessory Tray 9. Quick-Release T ripod Leg Lever 10.
78-7876 76mm Reflecto r QUICK ASSEMBL Y DIAGRAM 6. I M P O R T A N T: READ THROUGH A S S E M B L Y INSTRUCTION BEFORE YOU A S S E M B L E YOUR T E L E S C O P E .
• Adjustable Aluminum Tripod Assembly (Three Legs) • Quick Release Accessory T ray • Reflector T elescope Assembly • Equatorial Mount • Wide Field Finderscope • 20mm 1.25" Diameter Eyepiece • 4mm 1.25" Diameter Eyepiece • Barlow Lens P ARTS LIST QUICK ASSEMBL Y DIAGRAM 7.
DETAILED ASSEMBL Y Remove all components from the carton and identify all components. READ THROUGH ASSEMBL Y INSTRUCTION BEFORE YOU ASSEMBLE YOUR TELESCOPE. Attach Telescope and Finderscope 1. Locate the pre-assembled T elescope Main Tube and Equatorial Mount .
N e v e r L o o k D i r e c t l y A t T h e S u n W i t h Y o u r T e l e s c o p e P e r m a n e n t D a m a g e T o Y o u r E y e s M a y O c c u r ❂ 9. Selecting an Eyepiece 1. Y ou should always start viewing with the lowest power eyepiece, which in this case is the 20 mm lens.
Understanding the Equatorial Mount The Equatorial Mount is designed to move in any direction. It can be set to allow manual controls to track the movements of celestial bodies across the sky .
78-7876 76mm Reflec to r 1 1. P arts Diagrams 1. A TS Motor Housing 2. A TS Drive Shaft – set screw 3. A TS Drive Shaft 4. Gear Coupler 5. Plastic Adapter 6.
12. 78-7846 114mm Reflec tor P arts Diagrams (Continued) 1. A TS Motor Housing 2. A TS Drive Shaft – set screw 3. A TS Drive Shaft 4. Gear Coupler 5. Plastic Adapter 6. Fine Adjustment Cable 7. Gear coupler – set screw 8. Plastic Adapter – set screw 9.
1. Mount the plastic adapter on the mount as shown. Please note your telescope model number and refer to the appropriate diagram. T ighten set screw. 2. Using the fine adjustment cable , rotate shaft until the flat side of shaft is visible through the opening in the side of the plastic adapter .
M ENJOYING YOUR NEW TELESCOPE 1. First determine your targeted object. Any bright object in the night sky is a good starting point. One of the favorite starting points in astronomy is the moon. This is an object sure to please any budding astronomer or experienced veteran.
M HELPFUL HINTS 1 . Your telescope is a very sensitive instrument. For best results and fewer vibrations set your telescope up on a level location on the ground rather than your concrete driveway or your wooden deck. This will provide a more stable foundation for viewing, especially if you’ve drawn a crowd with your new telescope.
16. W ARRANTY / REPAIR TELESCOPE LIFETIME LIMITED WARRANTY Y our Bush nell ® tel esco pe is warr an ted to be free of defec ts in mat eri al s and work m an sh ip for the l ifetim e of the ori gin al o wn er .
An important point after buying a device Bushnell 78-7846 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bushnell 78-7846 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 Bushnell 78-7846 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bushnell 78-7846 you will learn all the available features of the product, as well as information on its operation. The information that you get Bushnell 78-7846 will certainly help you make a decision on the purchase.
If you already are a holder of Bushnell 78-7846, 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 Bushnell 78-7846.
However, one of the most important roles played by the user manual is to help in solving problems with Bushnell 78-7846. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bushnell 78-7846 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
