Some CD-Rs or CD-RWs may not play back on this unit because of their disc characteristics, or for the following reasons:

–Discs are dirty or scratched.

–Moisture condensation has occurred on the lens inside the unit.

–The pickup lens inside the unit is dirty.

–The files on the CD-R/CD-RW are written using the “Packet Write” method.

–There are improper recording conditions (missing data, etc.) or media conditions (stained, scratched, warped, etc.).

CD-RWs may require a longer readout time since the reflectance of CD-RWs is lower than that of regular CDs.

Do not use the following CD-Rs or CD-RWs:

–Discs with stickers, labels, or a protective seal stuck to the surface.

–Discs on which labels can be directly printed by an ink jet printer.

Using these discs under high temperature or high humidity may cause malfunctions or damage to the unit.

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)

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

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 which are not based upon Windows Media ® Audio.

–WMA files copy-protected with DRM.

–Files which have data such as AIFF, ATRAC3, etc.

The search function works but search speed is not constant.

ENGLISH

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JVC KD-A315, KD-R310 manual Playing an MP3/WMA disc, Bit rate 8 kbps 320 kbps Sampling frequency

KD-A315, KD-R310 specifications

The JVC KD-R310 and KD-A315 are two impressive car audio receivers engineered to enhance your in-car listening experience. These models are a testament to JVC's commitment to delivering high-quality sound, advanced technology, and user-friendly features.

Starting with the JVC KD-R310, this receiver is designed with a sleek, modern aesthetic that fits seamlessly into any vehicle dashboard. It boasts a high-power output of 50 watts per channel, ensuring robust sound performance that fills your car with rich audio. The KD-R310 supports various audio formats, including MP3, WMA, and WAV, making it versatile for different music file types. Its USB port enables direct connection to USB flash drives for easy access to your favorite tracks.

One of the standout features of the KD-R310 is its front-panel aux input, which allows users to connect an array of portable devices, like smartphones or tablets, effortlessly. It is also compatible with JVC’s music control apps, enabling better navigation and playback control of songs stored on your devices. The equalizer provides multiple preset sound settings, allowing listeners to fine-tune their audio preferences according to their taste.

On the other hand, the JVC KD-A315 steps up the game with additional functionalities that cater to modern audio needs. This model retains the core features of the KD-R310 but offers Bluetooth connectivity, allowing users to stream music wirelessly from their smartphones or other Bluetooth-enabled devices. With built-in Bluetooth, hands-free calling becomes hassle-free, significantly improving safety while driving.

The KD-A315 also includes a rear USB input, offering flexibility for connecting devices without cluttering the front panel. Another noteworthy feature is its support for high-resolution audio playback, granting users access to superior sound quality. The Easy EQ feature allows for quick adjustments to the audio settings without navigating complex menus, enhancing user experience.

Both models incorporate JVC's signature variably illuminated display, presenting clear visibility in different lighting conditions. With their solid build quality and a range of tunable options, the KD-R310 and KD-A315 set themselves apart in the competitive car audio market, making them reliable choices for music enthusiasts looking to elevate their driving experience. Whether you prioritize rich audio quality or modern connectivity features, these JVC receivers efficiently meet those needs, ensuring an enjoyable ride every time.