Kenwood KDC-W8531, KDC-W7531, KDC-W7031 instruction manual About AAC, MP3 and WMA

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About AAC, MP3 and WMA

The playable AAC/MP3/WMA file (hereafter called Audio file) and the media format has the following limitation. The Audio file, which is out of the specification, may not able to be played normally, or the file and folder names may not be displayed correctly.

¥Attach the correct extension for the Audio file (AAC: ".M4A", MP3: ".MP3", WMA: ".WMA")

¥Do not attach the extensions to the other files besides the Audio file. If it is attached, the file, which is not the Audio file, will be played and outputs the loud noise, and then the speaker will be damaged.

¥The files with copy protection cannot be played.

Playable AAC file

¥".m4a" file encoded by AAC-LC format.

Refer to http://www.kenwood.mediamanager.jp for the details.

Playable MP3 file

¥MPEG 1/2 Audio Layer 3 file

¥Transfer bit rate: 8-320 kbps

¥Sampling frequency

KDC-W7031: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz

KDC-W8531/W7531: 16, 22.05, 24, 32, 44.1, 48 kHz

Playable WMA file

¥The file in accordance with Windows Media Audio (Except for the file for Windows Media Player 9 or after which applies the new functions)

¥Transfer bit rate: 48-192 kbps

¥Sampling frequency: 32, 44.1, 48 kHz

Playable media

¥CD-ROM, CD-R, CD-RW

¥Depending on the writing software, it may not be possible to use quick formatted CD-RW discs.

¥When recording to the media up to the maximum capacity at once, the writing soft is set to "Disc at once".

Playable disc format

¥ISO 9660 Level 1/2

¥Joliet

¥Romeo

¥Long file name.

The maximum number of characters for display

File/Folder name: KDC-W7031: 64 characters

KDC-W8531/W7531: 128 characters MP3 ID3 Tag/ WMA Contents property/

AAC song information (KDC-W8531/W7531 only): 30 characters

8 English

¥File/Folder name is the number of the characters including the extensions.

¥MP3 ID3 Tag can only display the tag of Ver1.X. (KDC- W7031 only)

¥AAC ID3 Tag cannot be displayed.

Limitation of structure for the file and the folder

¥Maximum number of directory levels: 8

¥Maximum number of folders: 100

¥Maximum number of files per folder: KDC-W7031: 255 KDC-W8531/W7531: 4096

Playing order of the Audio file

The Audio file is played in the order which is written by writing soft. You may be able to set the playing order by writing the play sequence numbers such as "01" to "99" at the beginning of the file name.

Example

CD (1) 0: Folder ¡: Audio file

¡!

2¡"

3 ¡# ¡$

4¡%

Playing order

Playing order after ¡! play.

¡", ¡#, ¡$, ¡%...

File search

Forward file search during ¡# play. Push the Control knob to [¢] ¡$

Folder search

Forward folder search during ¡" play. Push the Control knob to [FM] 3, 4...

Folder select

When it is set to directory 4, skip to the folder before the same level by folder select.

Push the Control knob to [4] 2

When it is set to directory 3, makes the level up by folder select.

Push the Control knob to [AM] 2

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Contents KDC-W8531 KDC-W7531 KDC-W7031 Contents Connecting Wires to Terminals Safety precautions To prevent injury or fire, take the following precautionsAttach the panel while you are on the vehicle Do Not Load 8 cm 3 in. CDs in the CD slotCleaning the Unit Cleaning the Faceplate TerminalsBefore using this unit for the first time About DAB Tuner controlMarking of products using lasers Except for some areas Class Laser ProductAbout CDs About AAC, MP3 and WMA Setting each function What’s the Multi-function Key System?Displaying the desired function Real operational example of the Multi- function Key SystemGeneral features PowerVolume Selecting the SourceFaceplate Angle Adjustment Speaker SettingTheft Deterrent Faceplate Removing the FaceplateAudio Setup Audio ControlExit Audio Setup mode Press VOL knob for at least 1 second Equalizer ControlSubwoofer Output Hold down on AM of the Control knob for at least 1 secondDisplay Mode Switching Graphic part/ Spectrum Analyzer Display SwitchingSwitching the display mode Switching the graphic Display/ Spectrum analyzer displayWallpaper selecting Wallpaper & Downloaded Wallpaper*1Select the wallpaper display Select the wallpaper Push the Control knob to FM or AMText Display Switching Tuner sourceCD & External disc source Audio file sourceCursor moves to the selected text display part Text display in the Upper text display part Tuner source Speana/ClockSong title & Artist name Title/Artist Date Blank Radio text FM Radio TextText display in the Lower text display part Tuner source Standby sourceAuxiliary input Select the Font Color Push the Control knob to 4 or ¢ Analyzer display SwitchingFont Color Select External Display Switching Switching the display in the External Display connectedEnter display control mode Press the 2 Disp button OEM Disp is displayedWhen a call comes When the call endsTEL Mute Listening to the audio during a callTuner features TuningDirect Access Tuning Canceling Direct Access TuningStation Preset Memory Preset TuningAuto Memory Entry Open Auto Memory EntryRDS features Traffic InformationRadio Text Scroll Press the TI buttonProgram Type preset Presetting the Program TypeCalling up the preset Program Type PTY Program TypeChanging Language for PTY Function Selecting the Program Type display languageCD/Audio file/External disc control features Playing CD & Audio filePlaying External Disc Fast Forwarding and ReversingTrack/File Search Disc Search/Folder SearchTrack/File/Disc/Folder Repeat Scan PlayRandom Play Magazine Random PlayCanceling the Disc Random Play Canceling the Folder Select modeDisc Random Play Folder SelectSwitching the Play mode Canceling the Letter SeekLetter Seek Text/Title ScrollExit Menu mode Press the Menu button Disc Naming DnpsPlay the disc you want to attach a name to Select the characters Push the Control knob to FM or AMMenu system Security CodeSelect the Beep display Set the menu itemManual Clock Adjustment Touch Sensor ToneDate Adjustment Date ModeDSI Disabled System Indicator Switching preoutCounter Level set Built-in Amp SettingAnalyzer Reset Dual Zone System Setting Analyzer Stop WatchS. Bass Management System S. Frequency OffsetNews Bulletin with Timeout Setting Tuning ModeAMP Control Local SeekAuxiliary Input Display Setting & Disc Naming Restricting RDS Region Region Restrict FunctionAuto TP Seek Monaural ReceptionBuilt-in Auxiliary input Setting Power OFF TimerCD Read Setting Text ScrollCanceling Downloading Picture downloadingVoice Index ACDrive firmware version displayUnique ID display Audio Preset MemoryAudio Preset Call Demonstration mode Setting Sets the demonstration modeBasic operations Basic Operations of remote Accessory of the KDC-W8531Loading and Replacing the battery Disc source Dual Zone SystemTuner source Accessories/ Installation Procedure Accessories Installation ProcedureConnecting Wires to Terminals Connector Function Guide Connecting the ISO ConnectorCable Colour Functions Ignition cable Red Pin Red UnitInstallation InstallationScrewing the Faceplate on the Unit Firewall or metal supportLock Catch Accessory2 Removal tool Accessory2 Removal toolRemoving the Unit Removing the hard rubber frameTroubleshooting Guide GeneralTuner source Disc source? The sound skips when an Audio file is being played Audio file sourceMessages shown below display your systems condition ? Cannot play an Audio fileHold Error When the temperature insidePlay having no disc names preset Automatic disc changer exceeds 60CSpecifications

KDC-W8531, KDC-W7031, KDC-W7531 specifications

The Kenwood KDC-W7531, KDC-W7031, and KDC-W8531 are a trio of car audio receivers that exemplify the brand's commitment to innovation, sound quality, and ease of use. These models cater to a diverse range of listening preferences, ensuring a satisfying audio experience for drivers and passengers alike.

The KDC-W7531 stands out with its powerful audio output, seamlessly blending advanced technologies to deliver a superior sound experience. One of its defining features is the built-in CD player, providing easy access to physical media along with compatibility for MP3, WMA, and AAC files. Additionally, it includes a USB port that enables direct connection to iPods and other USB devices, allowing users to enjoy their favorite music collections effortlessly. The high-quality 24-bit digital-to-analog converter enhances audio playback, ensuring pure sound reproduction with reduced distortion.

The KDC-W7031, while slightly more entry-level, does not compromise on essential features. It includes AM/FM radio, a single CD player, and the same USB connectivity options found in the W7531. Both models also boast integrated Bluetooth capabilities, facilitating hands-free calling and wireless music streaming from compatible devices. The inclusion of a three-line display ensures that information such as track titles and artist names is visible and easy to read.

Next in line is the KDC-W8531, which brings additional perks suited for audiophiles. This model supports high-resolution audio playback and features a dedicated subwoofer output, providing users with the ability to elevate their sound system further. The KDC-W8531 also includes a high-pass and low-pass filter, allowing for more tailored audio settings. Its intuitive interface, complemented by customizable color options for its display and buttons, ensures that users can personalize their listening experience.

In terms of connectivity, all three models support various formats, making them versatile choices for music aficionados. Whether users prefer traditional CDs, digital files, or streaming music, these receivers provide multiple avenues for enjoyment. The models also feature a built-in equalizer with preset options, enabling users to adjust the sound profile to match their music preferences or vehicle acoustics.

Moreover, each model is designed with ease of use in mind, featuring straightforward controls and a user-friendly interface. With their robust build quality and sleek aesthetics, the Kenwood KDC-W7531, KDC-W7031, and KDC-W8531 are ideal choices for anyone looking to enhance their in-car audio experience. These receivers encapsulate Kenwood's enduring dedication to performance and innovation in the automotive audio space.