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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Celestron Power Seeker 50, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Celestron Power Seeker 50 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Celestron Power Seeker 50. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Celestron Power Seeker 50 should contain:
- informations concerning technical data of Celestron Power Seeker 50
- name of the manufacturer and a year of construction of the Celestron Power Seeker 50 item
- rules of operation, control and maintenance of the Celestron Power Seeker 50 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Celestron Power Seeker 50 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Celestron Power Seeker 50, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Celestron service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Celestron Power Seeker 50.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Celestron Power Seeker 50 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
P P o o w w e e r r S S e e e e k k e e r r 5 5 0 0 I I N N S S T T R R U U C C T T I I O O N N M M A A N N U U A A L L # # 2 2 1 1 0 0 3 3 9 9[...]
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Page 2
2 INTRODUCTIO N Congra tulati ons on your pur chase a nd welco me to the Celestron w orld of am ateur as tronom y . Som e of t he term s and parts described in these instructions m ay be new to y ou, so a few com m only u sed terms y ou’ll w an t to be fam iliar w ith are defined below . Altazim uth m ount - the sim plest type of m ount, w ith tw[...]
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Page 3
3 Q Q u u i i c c k k S S e e t t u u p p 1 3 5 7 9 10 8 6 2 4 11[...]
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Page 4
4 T T H H E E P P O O W W E E R R S S E E E E K K E E R R 5 5 0 0 R R E E F F R R A A C C T T O O R R The PowerSeek er is a classical, tw o elem ent ref racting telescope that com es on an altazim uth m oun t. This section inst ructs y ou on the proper as sem bly and us e of y our PowerSeeker te lescope, w h ich is shipped i n one box , contai ning[...]
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Page 5
5 A A t t t t a a c c h h i i n n g g t t h h e e F F i i n n d d e e r r s s c c o o p p e e 1. Rem ove the tw o sm all, silver th um bscrew s located at the back of the teles cope tube. See Figu re 2. 2. Place the finders cope bracket over the tw o h oles in the teles cope tube, lining up the h oles on the f inderscope bracket with those in the t[...]
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Page 6
6 The follow ing m agn ification lev els can be ach ieved w hen u sing th e standard ey epiece in con junction w ith th e 3x Barlow lens: Eyepiece Magnification Mag. w ith 3x Barlow Lens 20mm 30x 90x 12mm 50x 150x 4mm 150x 450x T T E E L L E E S S C C O O P P E E M M A A I I N N T T E E N N A A N N C C E E With proper care, your telescope should ra[...]
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Page 7
7 O O p p t t i i o o n n a a l l A A c c c c e e s s s s o o r r i i e e s s Celestron offers a f ull line of optional access ories for y our telescope. Please refer to th e Celestron Accessory Catalog (#93685) for a com plete des cription , or logon t o our w eb si te at www.ce le st ron .com . Diagonal, Hyb rid Mirror 90° (.96 to 1¼" ) #9[...]
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Page 8
CELESTRON TWO YEAR WARRANTY a. Cel estr on warr ants this te le scope to be fre e f rom defe cts in mate rial s and w orkm anship fo r tw o y ears. Cel es tron w ill repa ir or repl ace such product or part there of which, upo n inspe ction by Cel es tron, is found to be de fe ctive in m ater ials o r w or kmanship . A s a condition to the o blig a[...]