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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Televes OMS44, 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 Televes OMS44 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 Televes OMS44. 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 Televes OMS44 should contain:
- informations concerning technical data of Televes OMS44
- name of the manufacturer and a year of construction of the Televes OMS44 item
- rules of operation, control and maintenance of the Televes OMS44 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 Televes OMS44 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 Televes OMS44, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Televes 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 Televes OMS44.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Televes OMS44 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
www .televes.com ES EN DE Hoja técnica Data sheet Bedienungsanleitung Ref. 2350 OMS44 Quattro MDU Optical Converter Quattro MDU Optischer Quattro Umsetzer Optical Input Quattro Optical Converter P asive O utput N etwork STD SML Made in China H High V High H Low V Low AUX +20V[...]
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Page 2
2 Características técnicas / T echnical specifi cations / T echnische Daten Referencia Reference Art. Nr. Parámetros de entrada Input Parameters Eingang Gama de frecuencias RF RF Frequency Range Frequenzbereich Pérdida de ret orno óptico Optical Return Loss Optisch. Rück ussdämpfung Potencia óptica Optical Power Optische Leistung Con[...]
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Page 3
3 2350 / OMS44 GHz 0.95 - 5.45 dB 20 dBm MIN MAX -13 0 -18 -14 120 FC/PC Hembra / FC / PC Female / FC/PC Buchse 950 MHz - 1950 MHz <14.5 V 950 MHz - 1950 MHz >15.5 V 1100 MHz - 2150 MHz <14.5 V + 22KHz 1100 MHz - 2150 MHz >15.5 V + 22KHz dB 10 dB 5 dBm MIN MAX -65 -25 dB 30 dB 4 Ohm 75[...]
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Page 4
4 Referencia Reference Art. Nr. Salidas Outputs Ausgänge Conectores Connectors Stecker Longitude de onda Wavelength W ellenlänge Pérdidas de inserción Insertion Loss Einfügungsdämpfung * Para una mejor relación portadora/ruido (C/N) en una red óptica pequeña (SML) (hasta 16 conv ersores ópticos) es necesario u sar un atenuador . Las perdi[...]
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Page 5
5 2357 / OVT2 2358 / OVT3 2359 / OVT4 2360 / OVT8 23 4 8 FC/PC nm 1310/1550 dB 3,8 5,6 6,8 10.6 * Zwischen LNB und Umsetzer ist eine Mindestdämpfung von ca.15dB notwendig. F ür weniger als 16 T eilnehmer (SML) ist die Mindestdämpfung notwendig damit das C/N sich nicht verschlechtert. 2350 / OMS44 ºC 0 ... 50 ºC -10 ... 50 Hembra T ipo F / Fema[...]
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Page 6
6 Aplicaciones típicas / T ypical applications / T ypische Anwendung 1 34 2 4 x 950 - 2400 MHz 1 x 47 - 862 MHz 8 x 47 - 2400 MHz Ref. 7138 Multiswitch Satélite 5 x 8 5 x 8 Satellite Multiswitch 678 4 IN Vert. V-Low 3 IN Hor. H-Low 1 IN Hor. H-High 2 IN Vert. V-High 5 Terr. POWER IN 12V Optical Input Quattro Optical Converter P asive O utput N et[...]
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Page 7
7 1 34 2 4 x 950 - 2400 MHz 1 x 47 - 862 MHz 8 x 47 - 2400 MHz Ref. 7138 Multiswitch Satélite 5 x 8 5 x 8 Satellite Multiswitch 678 4 IN Vert. V-Low 3 IN Hor. H-Low 1 IN Hor. H-High 2 IN Vert. V-High 5 Terr. POWER IN 12V 8 way Optical Splitter 4 Way op splitter 4 Way op splitter 4 Way op splitter 4 Way op splitter 4 Way op splitter 4 Way op splitt[...]
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Page 8
2350_004_ES-EN-DE[...]