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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Rotel RMB-1048, 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 Rotel RMB-1048 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 Rotel RMB-1048. 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 Rotel RMB-1048 should contain:
- informations concerning technical data of Rotel RMB-1048
- name of the manufacturer and a year of construction of the Rotel RMB-1048 item
- rules of operation, control and maintenance of the Rotel RMB-1048 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 Rotel RMB-1048 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 Rotel RMB-1048, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Rotel 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 Rotel RMB-1048.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Rotel RMB-1048 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
Owner’ s Manual Manuel d’utilisation Bedienungsanleitung Manuale di Istruzioni Manual de Instrucciones Gebruiksaanwijzing Bruksanvisning EIGHT CHANNEL EIGHT C HANNEL POWER AMPLIFIER POWER A MPLIFIER RMB-1048 RMB-104 8 CH - B LEVEL CH - B LEVEL CH - A LEVEL CH - A LEVEL CH - C LEVEL CH - C LEVEL CH - D LEVEL CH - D LEVEL POWER POWER A PROTECTION[...]
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Page 2
2 RMB-1048 Eight Channel Power Amplifier Important Safety Information W ARNING: There are no user serviceable par ts inside. Refer all servicing to qualified service personnel. W ARNING: T o reduce the risk of fire or electric shock, do not expose the unit to moisture or water . Do not al- low foreign objects to get into the enclosure. If the unit [...]
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Page 3
3 English EIGHT CHANNEL POWER AMPLIFIER RMB-1048 CH - B LEVEL CH - A LEVEL CH - C LEVEL CH - D LEVEL POWER A PROTECTION D C B RL INPUT B RL R L INPUT S I G NAL OU TP UT LINK A LINK STEREO 12V TRIG . O F F RL INPUT C LINK STEREO RL INPUT D LINK STEREO OU T IN ~ WAR N ING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NO T EXPOSE THIS EQIPMENT T[...]
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Page 4
4 RMB-1048 Eight Channel Power Amplifier A B C D RIGHT LEFT OUTPUTS WARN ING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQIPMENT T O RAIN OR MOISTURE. 4 OHMS MINIMUM SPEAKER IMPEDANCE + + – – RIGHT LEFT SPEAKERS D + + – – RIGHT LEFT SPEAKERS C + + – – RIGHT LEFT SPEAKERS B + + – – RIGHT LEFT SPEAKERS A LEFT [...]
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Page 5
34 RMB-1048 Åtta-kanals Slutsteg VIKTIGA SÄKERHETSINSTRUKTIONER V ARNING! För att undvika elektriska stötar , brand m.m. 1. Skruva ej ur skruvarna ur höljet eller kabinettet. 2. Utsätt ej apparaten för väta eller fukt. 3. Ta aldrig i strömkabeln eller kontakten med blöta eller fuktiga händer . V ARNING! Gör ej egen service på apparaten[...]
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Page 6
35 Svenska Om Rotel En familj med ett passionerat intresse för musik grundade Rotel för över 40 år sedan. Det utmynnade i egen tillverkning av HiFi-produkter med en kvalitet utan kompromisser . Genom alla år har denna passion för musik varit oförändrad och målet har alltid varit att producera prisvärda produkter för både audiofiler och [...]
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Page 7
36 Knapp (switch) för A v- och På funktioner (On/Off) RMB-1048 kan automatiskt aktiveras Av eller På med hjälp av 12V ”T rigger”-funktionen. V almöjligheterna för Av och På-funktionen används för att välja vilken metod som skall aktiveras. • Med knappen (på apparatens baksida) i ”OFF”-läget aktiveras apparaten, Av och På, man[...]
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Page 8
37 Reglering av ingångssignalernas nivå Det finns fyra reglage, skruvar , på frontpanelen som reglerar ingångsnivåerna. En för varje kanalpar . Dessa ger dig möjlighet att ändra styrkan på slutstegen för att anpassas till andra komponenter i systemet. Använd en flat skruvmejsel och vrid medurs för att öka styrkan. V rid moturs för att[...]
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Page 9
38 Specifikationer Kontinuerlig uteffekt – vid drift av alla kanaler 40 watt/kanal vid 8 ohm (20-20 kHz, <0.03%, THD) Harmonisk distortion <0.05% (20Hz-20 kHz, 8 ohm) Intermodulations distortion <0.03% (60 Hz :7 kHz, 4:1) Frekvensomfång ( ± 1dB) 15Hz-100kHz Dämpfaktor (20-20.000 Hz, 8 ohm) 150 Högtalar impedans 4 ohm minimum Signal /[...]
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Page 10
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Page 11
082 OMRMB-1048 043002 English • Français • Deutsch • Italiano • Español • Nederlands • Svenska The Rotel Co. Ltd. 10-10 Shinsen-Cho Shibuya-Ku T okyo 150-0045 Japan Phone: +81 3-5458-5325 Fax: +81 3-5458-5310 Rotel of America 54 Concord Street North Reading, MA 01864-2699 USA Phone: +1 978-664-3820 Fax: +1 978-664-4109 Rotel Europe Da[...]