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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Kathrein VOS 32/F, 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 Kathrein VOS 32/F 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 Kathrein VOS 32/F. 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 Kathrein VOS 32/F should contain:
- informations concerning technical data of Kathrein VOS 32/F
- name of the manufacturer and a year of construction of the Kathrein VOS 32/F item
- rules of operation, control and maintenance of the Kathrein VOS 32/F 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 Kathrein VOS 32/F 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 Kathrein VOS 32/F, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Kathrein 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 Kathrein VOS 32/F.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Kathrein VOS 32/F 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
936.3291/-/0208/1.8d Hausanschluss-V erstärker VOS 32/F 20910020 Q Hausanschluss-V erstärker für moderne HFC-Netze Q Eingebautes Netzteil Q Gussgehäuse mit F-Anschlüssen Q LED als Betriebsanzeige Q V erstärkung durch Interstage-Dämpfung mit Steckbrücken umschaltbar (Lieferzustand: höhere V erstärkung) Die maximalen Betriebspegel gelten au[...]
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Page 2
936.3291/-/0208/2.8d T echnische Daten 1) Nach EN 60728-3; CENELEC-Raster 42 T räger 2) Nach EN 60728-3 (Kategorie C); ab 40 MHz 14 dB-1,5 dB/Oktave, aber 10 dB T yp VOS 32/F Bestell-Nr . 20910020 V orwärtsweg Frequenzbereich MHz 47 (85)-862 V erstärkung (umschaltbar) dB 26/32 Amplitudenwelligkeit dB ± 1,5 Einstellbereich Dämpfungssteller dB 0[...]
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Page 3
936.3291/-/0208/3.8d Blockschaltbild Anwendungsbeispiel Standard-Hausverteilnetz für 24 Anschlüsse in Zentralsternstruktur mit Modem-Steckdosen. VOS 32/F Bedienelemente und Steckmodul * * Nach Abnahme des Gehäusedeckels[...]
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Page 4
Internet: www .kathrein.de KA THREIN-Werke KG • Anton-Kathrein-Straße 1 - 3 • Postfach 10 04 44 • 83004 Rosenheim • Deutschland • T elefon 08031 184-0 • Fax 08031 184-306 936.3291/-/0208 /4.8d T echnische Änderungen vorbehalten. Rückweg-V erstärker VGR 28/30 VGR 28/65 20910008 20910009 Q Passend u.a. für den Hausanschluss-V erstär[...]
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Page 5
936.3291/-/0208/5.8d House connection ampli fi er VOS 32/F 20910020 Q House connection ampli fi er for modern HFC networks Q Built-in power supply Q Die-cast housing with F-type connectors Q LED to indicate operation mode Q Gain with interstage attenuation is switchable using jumpers (delivery condition: high gain) The maximum operation levels ar[...]
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Page 6
936.3291/-/0208/6.8d T echnical data 1) According to EN 60728-3; CENELEC channel plan 42 carriers 2) According to EN 60728-3 (category C); from 40 MHz 14 dB-1.5 dB/octave, but 10 dB T ype VOS 32/F Order no. 20910020 Forward path Frequency range MHz 47 (85)-862 Gain (switchable) dB 26/32 Amplitude ripple dB ± 1.5 Attenuator setting range dB 0-20 Eq[...]
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Page 7
936.3291/-/0208/7.8d 936.3291/-/0208/7.4e Block diagram Application example Standard house distribution network for 24 connections in a central star structure with modem outlets. VOS 32/F Control elements and plug-in module* * After removing the housing cover Output Input T est socket return path output T T est socket output Attenuation Equalisatio[...]
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Page 8
Internet: www .kathrein.de KA THREIN-Werke KG • Anton-Kathrein-Straße 1 - 3 • P .O. Box 10 04 44 • 83004 Rosenheim • GERMANY• phone +49 8031 184-0 • Fax +49 8031 184-306 936.3291/-/0208 /8.8e T echnical data subject to change. Return path ampli fi ers VGR 28/30 VGR 28/65 20910008 20910009 Q Suitable amongst others for house connection[...]