JVC KD-G646, KD-G645 manual Playing an MP3/WMA disc

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Playing an MP3/WMA disc

This unit can play back MP3/WMA files with the extension code <.mp3> or <.wma> (regardless of the letter case—upper/lower).

This unit can show the names of albums, artists (performer), and Tag (Version 1.0, 1.1, 2.2, 2.3, or 2.4) for MP3 files and for WMA files.

This unit can display only one-byte characters. No other characters can be correctly displayed.

This unit can play back MP3/WMA files meeting the conditions below:

Bit rate: 8 kbps — 320 kbps

Sampling frequency:

48 kHz, 44.1 kHz, 32 kHz (for MPEG-1)

24 kHz, 22.05 kHz, 16 kHz (for MPEG-2)

12 kHz, 11.025 kHz, 8 kHz (for MPEG-2.5)

Disc format: ISO 9660 Level 1/ Level 2, Romeo, Joliet, Windows long file name

Bit rate of WMA: 16 kbps — 32 kbps

(Sampling frequency: 22.05 kHz) 32 kbps — 320 kbps (Sampling frequency: 48 kHz,

44.1kHz, 32 kHz)

The maximum number of characters for file/folder names vary depending on the disc format used (includes 4 extension characters—<.mp3> or <.wma>).

ISO 9660 Level 1: up to 12 characters

ISO 9660 Level 2: up to 31 characters

Romeo: up to 128 characters

Joliet: up to 64 characters

Windows long file name: up to 128 characters

This unit can recognize a total of 512 files, 255 folders, and 8 hierarchical levels.

This unit can play back files recorded in VBR (variable bit rate).

Files recorded in VBR have a discrepancy in the elapsed time display, and do not show the actual elapsed time. In particular, this difference becomes noticeable after performing the search function.

This unit cannot play back the following files:

MP3 files encoded in MP3i and MP3 PRO format.

MP3 files encoded in an inappropriate format.

MP3 files encoded with Layer 1/2.

WMA files encoded in lossless, professional, and voice format.

WMA files not based on Windows Media® Audio.

WMA files copy-protected with DRM.

Files which have data such as WAVE, ATRAC3, etc.

The search function works but search speed is not constant.

Playing MP3/WMA tracks from a USB device

While playing from a USB device, the playback order may differ from other players.

This unit may be unable to play back some USB devices or some files due to their characteristics or recording conditions.

Depending on the shape of the USB devices and connection ports, some USB devices may not be attached properly or the connection might be loose.

Connect one USB mass storage class device to the unit at a time. Do not use a USB hub.

If the connected USB device does not have the correct files, “NO FILE” appears.

This unit can show Tag (Version 1.0, 1.1, 2.2, 2.3, or 2.4) for MP3 files and for WMA files.

This unit can play back MP3/WMA files meeting the conditions below:

Bit rate of MP3: 16 kbps — 320 kbps

Sampling frequency of MP3:

48 kHz, 44.1 kHz, 32 kHz (for MPEG-1)

24 kHz, 22.05 kHz, 16 kHz (for MPEG-2)

12 kHz, 11.025 kHz, 8 kHz (for MPEG-2.5)

Bit rate of WMA:

16 kbps — 32 kbps

(Sampling frequency: 22.05 kHz)

32 kbps — 320 kbps

(Sampling frequency: 48 kHz, 44.1 kHz, 32 kHz)

This unit can play back MP3 files recorded in VBR (variable bit rate).

ENGLISH

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Contents Instructions How to forcibly eject a disc How to reset your unitThank you for purchasing a JVC product Possible performance from the unitContents Display window Control panel KD-G646/KD-G645Parts identification Standby/on/attenuator button Main elements and featuresInstalling the lithium coin battery CR2025 Basic operations ~ Turn on the power Basic settingsFor FM/AM tuner ⁄ Adjust the volume Getting startedRadio operations When an FM stereo broadcast is hard to receiveStoring stations in memory Start searching for a stationListening to a preset station Manual presettingPlaying a disc in the unit Playing from a USB deviceTo go to the next or previous folder for MP3/WMA To fast-forward or reverse the trackIf a USB device has been attached Prohibiting disc ejection Other main functionsChanging the display information While playing an audio CD or CD TextSelecting the playback modes Sound adjustmentsAdjusting the sound Indication, Range Select a PSM item Adjust the PSM item selectedFinish the procedure Indications Selectable settings, reference Title assignment Adjust the volumeTo erase the entire title Select FM/AM Show the title entry screenTo keep discs clean MaintenanceHow to handle discs Moisture condensationMore about this unit Playing an MP3/WMA disc Title assignment General settings-PSMChanging the source Symptoms Remedies/Causes TroubleshootingHave intended Recorded Turn off the power then on againAlbum name Noise is generatedAM Tuner SpecificationsFM Tuner Having Trouble with operation? Parts list for installation and connection Precautions on power supply and speaker connectionsRemoving the unit When using the optional stay / 若選用支撐架Typical connections / 典型的接線方法 Electrical ConnectionsLeads of this unit unused 將L/O MODE設定

KD-G645, KD-G646 specifications

The JVC KD-G646 and KD-G645 are standout models in the realm of in-car audio systems, designed to enhance your listening experience on the road. Equipped with advanced features and user-friendly technologies, these head units bring entertainment and functionality to your vehicle.

One of the prominent features of both the KD-G646 and KD-G645 is their ability to play various audio formats. They support MP3, WMA, and WAV files, enabling users to enjoy their favorite music stored on CDs or USB drives. The inclusion of a USB port not only provides a direct connection for digital playback but also facilitates charging for compatible devices, ensuring your gadgets remain powered during long drives.

These models boast a robust 50 watts per channel output, ensuring high-quality sound reproduction that can fill any vehicle. With a built-in four-channel amplifier, the audio clarity is notably enhanced, bringing out the finer details in music. Additionally, both units offer customizable equalizer settings, allowing users to tweak sound profiles to match personal preferences or specific genres of music.

Another essential aspect of the JVC KD-G646 and KD-G645 is their compatibility with satellite radio and optional Bluetooth connectivity. When equipped with a Bluetooth adapter, users can stream music wirelessly from their smartphones and even take hands-free calls. This integration fosters a safer driving environment by minimizing distractions and keeping the driver focused on the road.

The user interface of these head units is intuitive, featuring a clear LCD display that shows track information, equalizer settings, and source selection. The easy-to-navigate controls ensure that adjustments can be made without diverting attention from driving. Moreover, the selectable button illumination adds a stylish touch that can be tailored to suit individual aesthetic preferences.

Durability is another characteristic that defines the JVC KD-G646 and KD-G645. Designed to withstand the rigors of daily use, these models are constructed with high-quality materials to ensure longevity. They also come with a detachable faceplate for added security, making it easier to protect the unit from theft when leaving the vehicle.

In summary, the JVC KD-G646 and KD-G645 are feature-rich car audio systems that prioritize sound quality, user convenience, and technological integration. With their compatibility with various audio formats, robust amplification, Bluetooth streaming options, and an intuitive interface, these head units are an excellent choice for anyone looking to elevate their in-car audio experience.