JVC KD-G637: More about this unit

• If you want to know more about RDS, visit

More about this unit

<http://www.rds.org.uk>.

Basic operations

Disc operations

Turning on the power

Caution for DualDisc playback

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• By pressing SRC on the unit, you can also turn on the

• The Non-DVD side of a “DualDisc” does not comply

power. If the source is ready, playback also starts.

with the “Compact Disc Digital Audio” standard.

Therefore, the use of Non-DVD side of a DualDisc on

Turning off the power

this product may not be recommended.

• If you turn off the power while listening to a disc, disc

play will start from where playback has been stopped

General

previously, next time you turn on the power.

• This unit has been designed to reproduce CDs/CD

Texts, and CD-Rs (Recordable)/CD-RWs (Rewritable)

Tuner operations

in audio CD (CD-DA), MP3 and WMA formats.

• When a disc is inserted upside down, “PLEASE” and

Storing stations in memory

“EJECT” appear alternately on the display. Press 0 to

• During SSM search...

eject the disc.

– All previously stored stations are erased and

• While fast-forwarding or reversing on an MP3 or

stations are stored newly.

WMA disc, you can only hear intermittent sounds.

– Received stations are preset in No. 1 (lowest

frequency) to No. 6 (highest frequency).

Playing a CD-R or CD-RW

– When SSM is over, the station stored in No. 1 will

be automatically tuned in.

• Use only “finalized” CD-Rs or CD-RWs.

• This unit can play back only files of the same type

• When storing a station manually, the previously

which are first detected if a disc includes both audio

preset station is erased when a new station is stored

CD (CD-DA) files and MP3/WMA files.

in the same preset number.

• This unit can play back multi-session discs; however,

unclosed sessions will be skipped while playing.

FM RDS operations

• Some CD-Rs or CD-RWs may not be played back on

• Network-Tracking Reception requires two types of

this unit because of their disc characteristics, or for

RDS signals—PI (Programme Identification) and AF

the following reasons:

(Alternative Frequency) to work correctly. Without

– Discs are dirty or scratched.

receiving these data correctly, Network-Tracking

– Moisture condensation occurs on the lens inside

Reception will not operate correctly.

the unit.

• If a Traffic Announcement is received by TA Standby

– The pickup lens inside the unit is dirty.

Reception, the volume level automatically changes to

– CD-R/CD-RW on which the files are written with

the preset level (TA VOL) if the current level is lower

“Packet Write” method.

than the preset level.

– There are improper recording conditions (missing

• When Alternative Frequency Reception is activated

data, etc.) or media conditions (stained, scratched,

(with AF selected), Network-Tracking Reception is

warped, etc.).

• CD-RWs may require a longer readout time since the

also activated automatically. On the other hand,

reflectance of CD-RWs is lower than that of regular CDs.

Network-Tracking Reception cannot be deactivated

without deactivating Alternative Frequency

Reception. (See page 16.)

Continued on the next page

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

Files recorded in VBR have a discrepancy in elapsed

– Discs with stickers, labels, or protective seal stuck

time display, and do not show the actual elapsed

to the surface.

time. Especially, after performing the search function,

– Discs on which labels can be directly printed by an

this difference becomes noticeable.

ink jet printer.

• This unit cannot play back the following files:

Using these discs under high temperatures or high

– MP3 files encoded with MP3i and MP3 PRO format.

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humidities may cause malfunctions or damage to the

– MP3 files encoded in an inappropriate format.

unit.

– MP3 files encoded with Layer 1/2.

– WMA files encoded with lossless, professional, and

Playing an MP3/WMA disc

voice format.

– WMA files which are not based upon Windows

• This unit can play back MP3/WMA files with the

Media

Audio.

extension code <.mp3> or <.wma> (regardless of

®

– WMA files copy-protected with DRM.

the letter case—upper/lower).

– Files which have the data such as AIFF, ATRAC3,

• This unit can show the names of albums, artists

etc.

(performer), and Tag (Version 1.0, 1.1, 2.2, 2.3, or

• The search function works but search speed is not

2.4) for MP3 files and for WMA files.

constant.

• 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

Playing MP3/WMA tracks from a USB memory

conditions below:

• While playing from a USB memory, the playback

– Bit rate of MP3: 8 kbps — 320 kbps

order may differ from other players.

– Sampling frequency of MP3:

• This unit may be unable to play back some USB

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

memories or some files due to their characteristics or

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

recording conditions.

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

• Depending on the shape of the USB memories and

– Bit rate of WMA: 16 kbps — 32 kbps

connection ports, some USB memories may not be

(Sampling frequency: 22.05 kHz)

attached properly or the connection might be loose.

32 kbps — 320 kbps

• If the connected USB memory does not have the

(Sampling frequency: 48 kHz,

correct files, “NO FILE” appears.

44.1 kHz, 32 kHz)

• This unit can show Tag (Version 1.0, 1.1, 2.2, 2.3, or

– Disc format: ISO 9660 Level 1/ Level 2, Romeo,

2.4) for MP3 files and for WMA files.

Joliet, Windows long file name

• This unit can play back MP3/WMA files meeting the

• The maximum number of characters for file/folder

conditions below:

names vary among the disc format used (includes 4

– Bit rate of MP3: 16 kbps — 320 kbps

extension characters—<.mp3> or <.wma>).

– Sampling frequency of MP3:

– ISO 9660 Level 1: up to 12 characters

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

– ISO 9660 Level 2: up to 31 characters

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

– Romeo: up to 128 characters

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

– Joliet: up to 64 characters

– Bit rate of WMA: 16 kbps — 32 kbps

– Windows long file name: up to 128 characters

(Sampling frequency: 22.05 kHz)

• This unit can recognize a total of 512 files, of 200

32 kbps — 320 kbps

folders, and of 8 hierarchies.

(Sampling frequency: 48 kHz,

• This unit can play back files recorded in VBR (variable

44.1 kHz, 32 kHz)

bit rate).

• This unit can play back MP3 files recorded in VBR

(variable bit rate).

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• The maximum number of characters for:

iPod or D. player operations

– MP3 Tag: 128 characters (64 Cyrillic alphabets)

• When you turn on this unit, the iPod or D. player is

– WMA Tag: 64 characters

charged through this unit.

– Folder names: 145 characters (72 Cyrillic alphabets)

• While the iPod or D. player is connected, all

over 8 hierarchies

operations from the iPod or D. player are disabled.

– File names: 25 characters

Perform all operations from this unit.

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• This unit can recognize a total of 2 500 files, 250

• The text information may not be displayed correctly.

folders (999 files per folder), and of 8 hierarchies.

– Some characters such as accented letters cannot be

• This unit does not support SD card reader.

shown correctly on the display.

• This unit cannot play back the following files:

– Depends on the condition of communication

– MP3 files encoded with MP3i and MP3 PRO format.

between the iPod or D. player and the unit.

– MP3 files encoded in an inappropriate format.

• If the text information includes more than 8

– MP3 files encoded with Layer 1/2.

characters, it scrolls on the display. This unit can

display up to 40 characters.

Changing the source

• If you change the source, playback also stops.

Notice:

Next time you select the same source again, playback

When operating an iPod or a D. player, some

starts from where it has been stopped previously.

operations may not be performed correctly or as

intended. In this case, visit the following JVC web

Ejecting a disc

site:

• If the ejected disc is not removed within 15 seconds,

For iPod users: <http://www.jvc.co.jp/english/car/

the disc is automatically inserted again into the

support/ks-pd100/index.html>

loading slot to protect it from dust.

For D. player users: <http://www.jvc.co.jp/

• After ejecting a disc or removing a USB memory,

english/car/support/ks-pd500/index.html>

“NO DISC” or “NO USB“ appears and you cannot

operate some of the buttons. Insert another disc,

reattach a USB memory, or press SRC to select

Available characters on the display

another playback source.

Available characters

Display indications

General settings—PSM

• “AUTO” setting for “DIMMER” may not work correctly

on some vehicles, particularly on those having a

control dial for dimming.

In this case, change the “DIMMER” setting to any

other than “AUTO.”

• If you change the “AMP GAIN” setting from

“HIGH PWR” to “LOW PWR” while the volume level

is set higher than “VOL 30,” the unit automatically

changes the volume level to “VOL 30.”

DAB tuner operations

• Only primary DAB services can be presetted even

when you store a secondary service.

• A previously preset DAB service is erased when a new

DAB service is stored in the same preset number.

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