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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Arcam DT81, 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 Arcam DT81 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 Arcam DT81. 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 Arcam DT81 should contain:
- informations concerning technical data of Arcam DT81
- name of the manufacturer and a year of construction of the Arcam DT81 item
- rules of operation, control and maintenance of the Arcam DT81 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 Arcam DT81 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 Arcam DT81, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Arcam 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 Arcam DT81.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Arcam DT81 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
DT81 HANDBOOK Arcam D T 8 1 d i git al r a d i o tu ner[...]
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DT81 2 Sa f e t y guidelines Safety instructions This product is designed and manufactur ed to meet strict quality and safety standards. However , you should be aware of the following installation and operation precautions: 1. T ake heed of warnings and instructions Y ou should read all the safety and operating instructions before operating this ap[...]
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DT81 3 Usin g this h andbook Contents Safety guidelines 2 Safety instructions 2 Safety compliance 2 Using this handbook 3 Safety 3 Information on radio transmissions 3 Installation 4 Positioning the unit 4 Setting up the aerial 4 Connecting to other equipment 4 Additional rear panel functions 5 Connecting to a power supply 5 Using your tuner 6 Fron[...]
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DT81 4 In s t al l at io n DT81 rear panel 1 V oltage indicator 2 Socket for IEC power inlet line 3 Remote control, in and out mini-jacks 4 FM tuner input Positioning the unit Always place the tuner on a level, fi rm surface. Setting up the aerial Y our new Arcam tuner is capable of superb r eception but only if it is receiving a good quality tran[...]
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DT81 5 Additional rear panel functions Data Service switch : DAB makes provision for pr oviding dedicated text and other data services in the multiplex datastream.This switch can be set to the ‘ in ’ position (using the end of a ballpoint pen) to prevent data services fr om appearing among the available services on the tuner ’ s display. RDI [...]
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DT81 6 Using y our tuner Fr ont panel contr ols Power Switches the unit on and off. When off the status LED shows red. When the tuner is switched on the status LED shows green. Searching for services When using the tuner for the fi rst time we recommend that you perform a search to fi nd all available services in your area. Once you have done thi[...]
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DT81 7 Selection mode Press the MENU button four times to access the Selection Mode menu. This can be used to change the way services are selected when scrolling with the r otary contr oller or when using the < and > buttons on the remote contr ol. T o change between ‘ AUTO ’ and ‘ MANUAL ’ , turn the rotary controller and pr ess SELE[...]
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DT81 8 Usin g the r e mot e c ontrol FM DAB PROG DISP RPT MODE BAND 1-9 2-10 3-11 FM DAB SEL TUNER CR-389 CD AMPLIFIER VCR DVD TAPE AV TUNER CD AUX PHONO ENTER SP1 SP2 DISP MENU DISP 4-12 5-13 6-14 7-15 8-16 CR-389 Remote Contr ol FM/DAB Ensure that DAB mode is selected using the FM/DAB toggle button. The DAB LED above the FM/DAB button is lit brie[...]
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DT81 9 Tr o u b l e s h o o t i n g 1. Display shows ‘Service not found’ when attempting to select a service This can happen when the tuner has an ensemble stored that is no longer available. For example when the tuner is fi rst shipped it has the BBC ensemble stored, and if it is used in another country then that ensemble will not be availabl[...]
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DT81 10 T echnical spec ifi cation s DT81 digital radio tuner Analogue audio ouput Level 2.4V RMS at 0dB FS Output impedance <100 Ω Minimum load 600 Ω Bandwidth (±0.5dB) 20Hz — 20kHz Digital audio ouput Format SPDIF coaxial & optical (TOSLINK) Sample rate 48kHz Output impedance (coaxial) 75 Ω unbalanced Radio Data Interface (RDI) o[...]
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DT81 11 W orldwide Guarantee This entitles you to have the unit repair ed fr ee of char ge, during the fi rst two years after purchase, at any authorised Arcam distributor provided that it was originally pur chased fr om an authorised Arcam dealer or distributor . The manufacturer can take no responsibility for defects arising fr om accident, misu[...]
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PEMBROKE AVENUE, WATERBEACH, CAMBRIDGE CB5 9PB, ENGLAND telephone +44 (0)1223 203203 fax +44 (0)1223 863384 email support@arcam.co.uk website www .arcam.co.uk SH102E Issue 1[...]