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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Dual XR4110, 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 Dual XR4110 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 Dual XR4110. 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 Dual XR4110 should contain:
- informations concerning technical data of Dual XR4110
- name of the manufacturer and a year of construction of the Dual XR4110 item
- rules of operation, control and maintenance of the Dual XR4110 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 Dual XR4110 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 Dual XR4110, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Dual 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 Dual XR4110.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Dual XR4110 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
AM/FM/MP3/WMA Receiver with Auxiliary Input, USB Port and SD Card Input XR4110 INSTALLATION/OWNER'S MANUAL[...]
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Page 2
2 Preparation KE YS MOUNTING SLEEVE TYPICAL MOUNTING METHOD XR4110 INSTALLATION Please read entire manual before installation. Before You Start • Disconnectnegative batteryterminal. Consulta qualifiedtechnician forinstructions. • Avoidinstalling theunit whereit wouldbe[...]
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Page 3
3 5 AMP AGC Fuse Rear Preamp Output Connect to amplifier RCA input Antenna Connector Wiring Diagram FUSE Whenreplacing thefuse, makesure newfuseisthe correcttype andamperage. Usingan incorrectfuse coulddamage theradio. TheXR4110 usesone5amp AGC fuse located in-li[...]
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Page 4
4 Control Locations Power / Source Mute / Loud Volume Tune/ TrackUp Band / Auto Station Store SD Card Slot Auxiliary Input USB Port 1 2 3 4 5 6 7 8 Tune/ TrackDown Preset 6 Preset5 /Folder Up Preset4 /Folder Down Preset 3 / Play / Pause Preset 2 / Random Preset1 /Repeat Audio / EQ 9 10 11 12 13 [...]
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Page 5
5 General Operation Press to turn the unit on. Press and hold for more than two seconds to turn the unit off. Press SOURCE to select between AM/FM, auxiliary input, USB or SD Card modes. Modes of operation are indicated in the display. SD and USB modes will not appear unless an SD Card or USB device is connected. Press and hold LOUD for more[...]
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Page 6
6 Tuner Operation Press TUNE nn or TUNE ll for more than 2 seconds to seekthe nextstrong station. Press TUNE nn or TUNE ll momentarily tochange one radiostation ata time.Press andhold toadvancequickly. Press BAND toselect betweenFM1, FM2,FM3 andAM1,AM2?[...]
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Page 7
7 XR4110 OPERATION USB/SD Card Operation PlayMP3/WMA filesfrom manymass storagedevices by connectingthem tothe XR4110'sUSB port. Toplay MP3/WMAfiles froman SDcard, insertanSD card intothe XR4110'sSD cardslot withthe lab[...]
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Page 8
8 USB/SD Card Operation XR4110 OPERATION Thefollowing typesof filesare compatible: •MP3 data •WMA data Thefollowing typesof filesare notcompatible: •WMA filesthat areprotected byDRM (DigitalRights Management). •WMA losslessforma[...]
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Page 9
9 Troubleshooting XR4110 OPERATION Specifications Tuningrange: 87.5MHz-107.9MHz Usablesensitivity: 10dBf 50dBquieting sensitivity: 25dBu Stereoseparation @1kHz: 40dB Frequencyresponse: 30Hz-18kHz Tuningrange: 530kHz-1710kHz Usablesensitivity: 35dBu Frequencyresponse:?[...]
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Page 10
10 Limited One Year Warranty Thiswarranty givesyou specificlegal rights. Youmay alsohave otherrights whichvary from state to state. Dual Electronics Corp. warrants this product to theoriginal purchaserto befree fromdefects in materialand workmanshipfor a[...]
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Page 11
11 XR4110 OPERATION FCC Compliance Thisdevice complieswith Part15 ofthe FCCRules.Operation issubject tothe followingtwo conditions: (1)this devicemay notcause harmfulinterference, and (2)this devicemust acceptany interferencereceived, inc[...]
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Page 12
Dual Electronics Corp. TollFree: 1-866-382-5476 WindowsMedia andtheWindows logoaretrademarks, orregisteredtrademarks ofMicrosoft Corporationinthe United States and or other countries. TheSD logoisa trademarkofthe SDCardAssociation. Othertrademarks andtrade?[...]