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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Dual XDMA6438, 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 XDMA6438 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 XDMA6438. 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 XDMA6438 should contain:
- informations concerning technical data of Dual XDMA6438
- name of the manufacturer and a year of construction of the Dual XDMA6438 item
- rules of operation, control and maintenance of the Dual XDMA6438 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 XDMA6438 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 XDMA6438, 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 XDMA6438.
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 XDMA6438 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
INSTALLATION/OWNER'S MANUAL AM/FM/CD Receiver with Detachable Face XDMA6438 Front and Rear Inputs[...]
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Page 2
2 TYPICAL FRONT-LOAD DIN MOUNTING METHOD Removal Keys Head Unit Mounting Sleeve Dashboard or Installation Kit XDMA6438 INSTALLATION Preparation Please read entire manual before installation. Before You Start • Disconnectnegative batteryterminal. Consulta qualifiedtechnician forinstructions. •?[...]
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Page 3
3 XDMA6438 INSTALLATION Wiring Diagram Rear RCA Input Connect a portable device Antenna Input Connect the vehicle antenna FUSE Whenreplacing the fuse,make surenew fuseis thecorrecttype andamperage. Using anincorrect fusecould damagethe radio. TheXDMA6438 uses one10?[...]
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Page 4
4 XDMA6438 OPERATION Control Locations - Receiver 5 1 6 13 14 15 16 17 22 Power Release Equalizer Tune/ TrackDown Tune/ TrackUp Volume/ Select(push) ModeUp ModeDown ModeIndicator Eject USBPort 1 2 3 4 5 6 7 8 9 AuxiliaryInput Preset6 /Folder Up Preset5 /Folder Down Prese[...]
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Page 5
5 XDMA6438 OPERATION Control Locations - Remote 1 2 4 3 5 6 7 8 9 10 12 11 Preset6 /Folder Up Loudness Mute EQ Preset5 /Folder Down Preset4 /Play /Pause Preset1 /Repeat Band/ Escape Tune/ TrackDown 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Mode VolumeUp Audio/ Menu[...]
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Page 6
6 XDMA6438 OPERATION Press or anyother button(except EJECT )to turntheunit on. Press toturn theunit off. Press MODE UP or MODE DOWN toselect betweenAM/FM, CDplayer, auxiliaryfront/rear, USBand operationof iPod ® / iPhone ® .Modes ofoper[...]
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Page 7
7 XDMA6438 OPERATION General Operation - Setup Menu Menu Function Options Action Auto Station Store AUTO STORE Press SELECT toseekand save6 strongstationsin the currentband. ( Tuner mode only) Local/Distance Tuning LOCALOFF Activates distancetuning ( Tuner mode?[...]
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Page 8
8 XDMA6438 OPERATION Press AUDIO momentarilyto selectbetween Bass,Treble, Balance,Fader, Subwooferand SourceVolume Level. Press AUDIO until BASS appearsthen rotatevolume knob left/rightto adjust( -6minimum /+6 maximum). Press AUDIO until TREBLE appearsthen [...]
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Page 9
9 XDMA6438 OPERATION Seek Tuning Manual Tuning Band Storing and Recalling Station Presets Press TUNE nn or TUNE ll for morethan onesecond toseek tothe nextstrong station. Press TUNE nn or TUNE ll momentarilyto change radiofrequency upor downone stepat a?[...]
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Page 10
10 XDMA6438 OPERATION Insert CD Eject CD Track Select Fast Forward and Reverse Pause Intro Repeat Random CD-R/CD-RW Compatibility Withthe labelfacing up,insert astandard sizeCDinto the CDslot. TheCD willautomatically beginplayback. Press EJECT toeject theCD. [...]
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Page 11
11 XDMA6438 OPERATION CD Player Operation - MP3/WMA Files Playing an MP3/WMA Disc Displaying Information Title Icon Artist Icon Folder Icon File Icon Character Support Whenan MP3/WMAencoded discis firstinserted, “DISCREAD” will appearin t[...]
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Page 12
12 XDMA6438 OPERATION CD Player Operation - MP3/WMA Files Folder/File Search Mode Step 1 Step 2 Step 3 MP3/WMACD modefeatures afile andfolder searchmode. Thissearch allowsnavigating throughfolders tofind a specificMP3 orWMA filefor playback. Press[...]
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Page 13
13 XDMA6438 OPERATION CD Player Operation - MP3/WMA Files Folder Access Repeat Random Intro Press to selecttheprevious folder. Press to selectthenext folder. *Folderaccess isonly availableon MP3/WMAdiscs recorded withmore[...]
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Page 14
14 XDMA6438 OPERATION CD Player Operation - MP3/WMA Files Thefollowing typesof discs/filesare compatible: •CD-ROM (ISO),CD-R, CD-RW •CD-DA •MP3 data •WMA data Thefollowing typesof discs/filesare notcompatible: •WMA filesthat areprotected?[...]
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Page 15
15 XDMA6438 OPERATION CD Player Operation - MP3/WMA Files Aninternal bufferprovides ESP(Electronic SkipProtection) to virtuallyeliminate skipping. Whenplaying adisc recordedwith regularaudio files (CD-DAor .WAV)andMP3/WMA files,the unitwill play[...]
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Page 16
16 XDMA6438 OPERATION USB Operation Toplay MP3/WMAfiles frommost USBmass storage devices,line upthe USBconnector andinsert theUSB deviceinto theXDMA6438's USBport. Whena USBdevice isfirst connected,“USB READ”will appearin th[...]
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Page 17
17 XDMA6438 OPERATION USB Operation Whena fileis accessed,the clockand elapsedtimewill be displayed.Press DISP momentarily toselect beweensong title,artist, filename, foldername, tracknumber andclock/ elapsedtime. "NOTITLE" willbe [...]
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Page 18
18 XDMA6438 OPERATION USB Operation Maximumcharacter displayinformation •Track name– 32character maximum •Directory name– 32character maximum •*Song title– 32character maximum •*Artist name– 32character maximum *Songtitle andartist [...]
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Page 19
19 XDMA6438 OPERATION USB Operation OnlyMP3 fileswith filenameextension (.mp3)can beplayed. OnlyWMA fileswith filenameextension (.wma)can beplayed. Donot attemptto playnon-MP3/WMA fileswith theMP3/WMA extension. 8kHz~ 48kHz 32kHz~ 48kHz 3[...]
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Page 20
20 XDMA6438 OPERATION Operation of iPod TheXDMA6438 featuresa directUSBcontrol systemfor iPod.To playmusic froman iPoddevice,connect theUSB cable(included withyour iPoddevice) totheXDMA6438's USBport. Onceconnected, "USBREAD&quo[...]
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Page 21
21 XDMA6438 OPERATION Press ll toskip tothe beginningof nextsong. Press nn toreturn tothe beginningof currentsong. Pressing nn againskips tothe beginningof previoussong. Pressand hold ll or nn tofast forwardor reversea song. Press l / II [...]
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Page 22
22 XDMA6438 WARRANTY Limited One Year Warranty Thiswarranty givesyou specificlegal rights.You mayalso haveother rights whichvary from stateto state. DualElectronics Corp.warrants this productto theoriginal purchaserto befree fromdefect[...]
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Page 23
23 Troubleshooting XDMA6438 OPERATION Problem Cause Action Unit will not turn on (no power) Yellowwire notconnected orincorrect voltageRed wirenot connectedor incorrectvoltage Checkconnections forproper voltage(11~16VDC) Blackwire notconnected Check connectio[...]
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Page 24
24 XDMA6438 OPERATION Specifications Frequencyresponse: 10Hz-20kHz Channelseparation @1kHz: >65dB D/Aconverter: 1 Bit Tuningrange: 87.5MHz-107.9MHz Usablesensitivity: 8.5dBf 50dBquieting sensitivity: 10dBf Stereoseparation @1kHz: 40dB Frequencyresponse: 30Hz-13kHz Tuningrange: 530kHz-171[...]
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Page 25
25 XDMA6438 OPERATION FCC Compliance Thisdevice complieswith Part15 ofthe FCCRules.Operation issubject tothe following twoconditions: (1)this devicemay notcause harmfulinterference, and (2)this devicemust acceptany interferencereceived, i[...]
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Page 26
26 XDMA6438 OPERATION Notes[...]
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Page 27
27 XDMA6438 OPERATION Notes[...]
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Page 28
DualElectronics Corp. TollFree: 1-866-382-5476 www.dualav.com ©2011Dual ElectronicsCorp.All rightsreserved. iPhone,iPod, iPodclassic,iPod nano,andiPod toucharetrademarks ofAppleInc., registeredinthe U.S.andothercountries. “Madefor iPod”and?[...]