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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Newcon Optik DN482, 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 Newcon Optik DN482 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 Newcon Optik DN482. 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 Newcon Optik DN482 should contain:
- informations concerning technical data of Newcon Optik DN482
- name of the manufacturer and a year of construction of the Newcon Optik DN482 item
- rules of operation, control and maintenance of the Newcon Optik DN482 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 Newcon Optik DN482 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 Newcon Optik DN482, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Newcon Optik 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 Newcon Optik DN482.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Newcon Optik DN482 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
13. ACCEPTANCE CERTIFICATE Image Intensifier Tube Min imu m Mea su red Resolution, lines/mm 30 Photocathode sensitiv ity, integral, µ A/ lm 400 Light ampl ification 20,000 Image Intensifier Tube Serial N umber: _____________ Date of production: ______ ____ Quality Inspector Signat ure: ____________ NIGHT VISION RIFLE SCOPE __DN 482 __DN 483 Serial[...]
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Page 2
IMPORTANT INFORMATION Read prior to activation You have just purchased a complicated electronic device. To operate it properly, please read this manual carefully . Here are some common precautions that must be noted. • NEVER disassemble t he unit. This dev ice contains hi gh voltage , which may be hazardous to y our health! • NEVER aim active u[...]
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Page 3
10. TROUBLESHOOTING ] The scope does not work . Check that the batteries are installe d properly. Check the charge of the batteries. Replace if they are weak. Do not use old batteries with ne w ones. The image does not appear in focus. Bring the inspected object to th e ce nter of the im age. Turning the objective lens ring (10), a nd/or the eyepie[...]
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Page 4
CAREFULLY READ THE INSTRUC TIONS BEF ORE USE! MISUSE WILL VOID THE WARRANTY. 1. BRIEF DESCRIPTION DN482/483 Night Vision Scope is a modern, universal night vision device designed for a wide range of activities from amateur to professional needs: • Nighttime observation and hunting • Law enforcement and security • Search and rescue • Wildlif[...]
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Page 5
• Remove the rubbe r eyepiece guard from the scope. • Set the eyepiece in the medium position. • Screw the adapter ring with the camera in an internal groove of an eyepiece. • Switch on the device and focus the assembled system with the help of the objectives of the device and camera. If the image cannot be focused the camera with the ring [...]
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Page 6
VIDEO 3. TECHNICAL CHARACTE RISTICS General Magnificati on, x 3.7 6.1 Field of view, degree 10 8 Objective lens Focus lengt h, mm 100 165 F-number 1.5 2.0 Focus range 10 m to infinity 30 m to infinity Eyepiece Focus lengt h, mm 27 Eye relief distance, mm 45 Dioptre setting +3, -4 Mechanical characteristics Overall dim ensions, m m 280 x 89 x 79 Wei[...]
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Page 7
7. ADJUSTMENT OF THE SCOPE ON THE RIFLE Type and dimensions of the reticle The type and dimensions are represented on the drawing. The brightness of the reticle may be adjusted by the knob (8). The dimensions are quoted in meters for the 100 m distance. For a distance other than 100m the dimensions must be calculated accordingly in proportion. Befo[...]
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Page 8
recommended to use Alkaline batteries, which ensure the most stable performance. b. Testing of operation in a daytime During the bright time of the day: Turn on the on/off switch (9). The lens cap (6) must be on. Direct the device at an object placed within 10-20 m from the viewer. Turn the focus knob (10) and eye-piece (3) try to achieve the sharp[...]
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Page 9
(Newcon Optik supplies all parts of the alignment). Installation of the device is performed as follows : • Check the elevation of the fastening screws (2), pulling the rail (3) to the body of the device (1) above the upper surface of the rail. The elevation must not exceed the depth of the dead threaded holes in the body of the device. In order t[...]
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Page 10
Front and rear feet (2, 3) with thwart screws (6) are the standard feet for Standard prisms (4), manufactured by the companies that produce mounts (for example, Ernst Apel GmbH Germany). The mount of Standard prism type (4 ) and s crews (5) are optional. Installation of the device should be perform ed according to the following rules: • Check the[...]