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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of EverFocus ED200/N-3B, 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 EverFocus ED200/N-3B 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 EverFocus ED200/N-3B. 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 EverFocus ED200/N-3B should contain:
- informations concerning technical data of EverFocus ED200/N-3B
- name of the manufacturer and a year of construction of the EverFocus ED200/N-3B item
- rules of operation, control and maintenance of the EverFocus ED200/N-3B 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 EverFocus ED200/N-3B 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 EverFocus ED200/N-3B, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the EverFocus 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 EverFocus ED200/N-3B.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the EverFocus ED200/N-3B 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
EVERFOCUS Color Dome Camera Operation Instructions Model No. ED200 Please read this manual first for correct installa tion and operation. This m anual should be retained for future reference. The information in this m anual was curren t when published. The manufacturer reserves the righ t to revise and improve its products. All specifica tions are [...]
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Page 2
1 PREF ACE The ED200 Series Camera is a compact, full func tioned CCD Camera. Their stylish appearance can be applied as per installer' s ideal locations. These dom e cameras can be mounted either on the ceiling or on the wall easily . ED200 uses high sensitive 1/3" color interline transfer CCD sensor with DSP . The sensor is featured wit[...]
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Page 3
2 L E N S AVA I L A B L E * S tandard board lens f=3.6 mm, F=2.0 mm. * Other available lens : 2 Lens f=2.5 mm, F=2.0 mm 4 Lens f=4.3 mm, F=2.0 mm 6 Lens f=6.0 mm, F=2.0 mm 8 Lens f=8.0 mm, F=2.0 mm 3P Pinhole lens f=3.7 mm, F=3.0 mm INST ALLA TION 1. Remove the plastic dome cover . 2. Loosen the two screws of the supporting bracket to remove the ca[...]
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Page 4
3 5. Connect the BNC connector of the camera to a color monitor , or other video device through a 75 ohm type coaxial cable with BN C female connector at cable extension. 6. Connect the DC +12V regulated power source of the camera (DC Jack) to the DC 12V Power-in jack with 2 mm, center+, outer - plug. 7. Once the image appears on the monitor , loos[...]
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Page 5
4 SPECIF ICA TIONS Pickup Device 1/3'' SONY Super HAD CCD Video Format NTSC or PAL Scanning System NTSC: 525 TV lines, 60 fields/sec PAL: 625 TV lines, 50 fields/sec. Picture Elements NTSC: 510(H) x 492(V); P AL: 500(H) x 582(V) Horizontal Resolution 380 TV Lines Sensitivity 0.3 Lux/F=1.2 S/N Ratio Over 48dB (AGC off) Electronic Shutter 1[...]
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Page 6
5 EverFocus Electr onics Corp. Head Office: 12F , No.79 Sec. 1 Shin-T ai W u Roa d, Hsi-Chih, T aipei, T aiwan TEL: +886-2-26982334 F AX: +886-2-26982380 www .everfocus.com.tw USA L.A. Office: 1801 Highland A ve. Unit A Duarte, CA 91010, U.S.A. TEL: +1-626-844-8888 F AX: +1-626-844-8838 www .everfocus.com USA N.Y . Office: 415 Oser A venue Unit S H[...]