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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Dual XR4115, 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 XR4115 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 XR4115. 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 XR4115 should contain:
- informations concerning technical data of Dual XR4115
- name of the manufacturer and a year of construction of the Dual XR4115 item
- rules of operation, control and maintenance of the Dual XR4115 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 XR4115 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 XR4115, 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 XR4115.
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 XR4115 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 Detachable Face XR4115 INSTALLATION/OWNER'S MANUAL[...]
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Page 2
2 Preparation MOUNTING SLEEVE REMOV AL KE YS TYPICAL FRONT-LOAD DIN MOUNTING METHOD XR4115 INSTALLATION Please read entire manual before installation. Before You Start • Disconnectnegative batteryterminal. Consulta qualifiedtechnician forinstructions. • Avoidinstalling theunit?[...]
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Page 3
3 10 AMP AGC Fuse Rear RCA Output Antenna Connector Right (Red) Left (White) Wiring Diagram FUSE Whenreplacing thefuse, makesure newfuseisthe correcttype andamperage. Usingan incorrectfuse coulddamage theradio.The XR4115uses one10amp AGCfuse locatedin-li[...]
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Page 4
4 Control Locations - Receiver Release Preset1 /Play /Pause Power Volume Knob Preset2 /Intro Tune/ TrackDown Preset3 /Repeat Tune/ TrackUp EQ SDSlot 1 2 3 4 5 6 7 8 USBPort AuxiliaryInput Mute Display AS/ PS Band/ Info Mode Preset6 /Folder Up Preset 5 / Fol[...]
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Page 5
5 XR4115 OPERATION Control Locations - Remote Power Tune/ TrackDown VolumeUp Select Volume Down Tune/ TrackUp AS/ PS Display Preset3 /Repeat 1 2 3 4 5 6 7 8 EQ Preset6 /Folder Up Mute Preset 4 / Random Preset 5 / Folder Down Preset1 /Play /Pause Preset2 /Intro Mode[...]
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Page 6
6 XR4115 OPERATION General Operation Press RELEASE andpull awayfrom theleft sideto remove.To re-install,insert rightside offaceplate first thenpush leftside tosecure. Press or any other button to turn the unit on. Press againto turnthe unitoff.[...]
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Page 7
7 General Operation Press the volume knob toselect betweenBass, Treble, Balance,Fader, Loudness,Distance andStereo. Press the volume knob until BAS appears. Rotate the volume knob left/rightto adjust. (-7minimum /+7 maximum) Press the volume knob until TRE appears. Rotate the[...]
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Page 8
8 XR4115 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 radiofrequency ata time.Press andhold toadvancequickly. Press BAND toselect betweenFM1, FM2,FM3 andAM1,[...]
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Page 9
9 XR4115 OPERATION SD Card / USB Operation PlayMP3/WMA/WAV filesfrom manymass storagedevices byconnecting themto theXR4115's USBport. Toplay MP3/WMA/WAVfiles froman SDcard, insertanSD cardinto theXR4115's SDcard slotwit[...]
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Page 10
10 XR4115 OPERATION SD Card / USB Operation Thefollowing typesof filesare compatible: •MP3 audio •WMA audio •WAV audio Thefollowing typesof filesare not compatible: •WMA filesthat areprotected byDRM (DigitalRights Management) ?[...]
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Page 11
11 XR4115 OPERATION SD Card / USB Operation Whena fileis accessed,the displaywill alternatebetween tracknumber/elapsed timeand availableMP3/WMA information,including filename, songtitle, artistname, album name and folder number. Thisicon willillumina[...]
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Page 12
12 XR4115 OPERATION Limited One Year Warranty Thiswarranty givesyou specificlegal rights. Youmay alsohave otherrights whichvary from state to state. DualElectronics Corp.warrants thisproduct to theoriginal purchaserto befree fromdefects in m[...]
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Page 13
13 XR4115 WARRANTY Troubleshooting Problem Cause Action Unit will not turn on (no power) Yellowwire notconnectedor incorrectvoltage Redwire notconnectedor incorrectvoltage Checkconnections forproper voltage(11~16VDC) Blackwire notconnected Checkconnection to?[...]
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Page 14
14 XR4115 OPERATION Specifications Tuningrange: 87.5MHz-107.9MHz Usablesensitivity: 10dBf 50dBquieting sensitivity: 25dBu Stereoseparation @1kHz: >30dB Frequencyresponse: 30Hz-18kHz Tuningrange: 530kHz-1710kHz Usablesensitivity: <42dBu Frequencyresponse: 80Hz-2kHz Speakeroutput impedance: 4~8 oh[...]
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Page 15
15 XR4115 OPERATION FCC Compliance Thisdevice complieswith Part15 ofthe FCCRules.Operation issubject tothe following twoconditions: (1)this devicemay notcause harmfulinterference, and (2)this devicemust acceptany interferencereceived, inc[...]
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Page 16
DualElectronics Corp. TollFree: 1-866-382-5476 TheSD logoisa trademarkofthe SDCardAssociation. Othertrademarks andtradenames arethoseof theirrespectiveowners. www.dualav.com ©2011Dual ElectronicsCorp.All rightsreserved. NSA0411-V01[...]