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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of GE ConstantColor CMH G8.5, 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 GE ConstantColor CMH G8.5 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 GE ConstantColor CMH G8.5. 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 GE ConstantColor CMH G8.5 should contain:
- informations concerning technical data of GE ConstantColor CMH G8.5
- name of the manufacturer and a year of construction of the GE ConstantColor CMH G8.5 item
- rules of operation, control and maintenance of the GE ConstantColor CMH G8.5 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 GE ConstantColor CMH G8.5 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 GE ConstantColor CMH G8.5, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the GE 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 GE ConstantColor CMH G8.5.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the GE ConstantColor CMH G8.5 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
GE Consumer & Industrial Lighting ConstantColor™ CMH™ Ceramic Metal Halide Lamps Single Ended G8.5 Product Information Lamp technology ConstantColor CMH™ lamps combine HPS technology (providing stability, efficiency & uniformity) and Metal Halide Technology (providing bright white quality light) to pr oduce highly efficient light so[...]
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Page 2
2 3 Specification summary* Ordering Information Description Wattage Colour Product Code CMH20/T/UVC/U/830/G8.5 Plus 20 3000K 39858 CMH35/T/UVC/U/830/G8.5 Plus 35 3000K 43273 CMH35/TC/UVC/U/842/G8.5 35 4200K 26348 CMH70/TC/UVC/U/830/G8.5 Plus 70 3000K 43274 CMH70/T/UVC/U/942/G8.5 70 4200K 26349 20W 3000K 35W 3000K Plus 35W 4200K 70W 3000K Plus 70W [...]
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Page 3
4 5 Dimension 14.5 mm 85 mm MAX LCL 52 ± 1.0 mm 1.0 mm 12.0 mm Lamp life Life survival graphs are shown for statistically representative batches of lamps operated under controlled nominal conditions with a 7 hours per start switching cycle. Declared lamp life is the median value, i.e. when 50% of lamps from a large sample batch would have failed. [...]
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Page 4
6 7 Lumen maintenance Lumen maintenance graphs show light output performance through life for statistically representative batches of lamps operated under controlled nominal conditions with a 7 hours per start switching cycle. A common characteristic for all metal halide lamps is a reduction in light output and a slight increase in power consumptio[...]
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Page 5
8 9 Warm-up characteristics During the warm-up period immediately after starting, lamp temperature increases rapidly evaporating mercury and metal halide dose in the arc-tube. Lamp electrical characteristics and light output stabilise in less than 4 minutes. During this period light output increases from zero to f ull output and colour approaches t[...]
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Page 6
10 11 UV and damage to sensitive materials The wall of the bulb, which is produced with specially developed ‘UV Contr ol’ material, absorbs potentially harmful high energy UV radiation emitted by the ceramic arc-tube. The use of UV control material together with an optically neutral front glass cover allows the lamp to signicantly reduce the[...]
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Page 7
12 13 N L N L BLS/E/20W/CMH BLS/E/35W/CMH BLS/E/20W/CMH/R BLS/E/35W/CMH/R BLS/E/70W/CMH BLS/E/70W/CMH/R BLS/E/150W/CMH BLS/E/150W/CMH/R Control gear and accessories Electronic Ballasts A range of GE electronic ballasts have been introduced to complement the 20, 35, 70 and 150W ConstantColor™ Ceramic Metal Halide lamps Power controlled electronic [...]
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Page 8
14 15 Superimposed ignitors In many installations Ceramic Metal Halide lamps are operated from a conventional magnetic ballast in conjunction with a superimposed ignitor . These ignitors generate starting pulses independently from the ballast and should be placed close to the lamp, preferably within the luminaire. Wiring between ignitor and lamp sh[...]