JVC KD-G421: More about this unit

5 U (up) / D (down) buttons

• Changes the FM/AM/DAB bands with

More about this unit

U (up).

• Changes the preset stations with

Basic operations

D (down).

Turning on the power

• Changes the folder of the MP3/WMA

discs.

• By pressing SRC button on the unit, you can

ENGLISH

• While playing an MP3 disc on an

also turn on the power. If the source is ready,

MP3-compatible CD changer:

playback also starts.

– Changes the disc if pressed briefly.

– Changes the folder if pressed and held.

Turning off the power

• While listening to an iPod or a D. player:

• If you turn off the power while listening to a

– Pauses/stops or resumes playback with

disc, disc play will start from where playback

D (down).

has been stopped previously, next time you

– Enter the main menu with U (up).

turn on the power.

(Now U/D/R/F work as the menu

selecting buttons.)*

Tuner operations

6 VOLUME – /+ buttons

• Adjusts the volume level.

Storing stations in memory

• During SSM search...

* U (up) : Returns to the previous menu.

– All previously stored stations are erased and

D (down) : Confirms the selection.

stations are stored newly.

– Received stations are preset in No. 1 (lowest

frequency) to No. 6 (highest frequency).

– When SSM is over, the station stored in

The unit is equipped with the steering wheel

No. 1 will be automatically tuned in.

remote control function.

• When storing a station manually, the

• See the Installation/Connection Manual

previously preset station is erased when a new

(separate volume) for connection.

station is stored in the same preset number.

FM RDS operations

• Network-Tracking Reception requires

two types of RDS signals—PI (Programme

Identification) and AF (Alternative

Frequency) to work correctly. Without

receiving these data correctly, Network-

Tracking Reception will not operate correctly.

• If a Traffic Announcement is received by

TA Standby Reception, the volume level

automatically changes to the preset level (TA

VOL) if the current level is lower than the

preset level.

To be continued....

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• When Alternative Frequency Reception

• This unit can play back multi-session discs;

is activated (with AF selected), Network-

however, unclosed sessions will be skipped

Tracking Reception is also activated

while playing.

automatically. On the other hand, Network-

• Some CD-Rs or CD-RWs may not play

Tracking Reception cannot be deactivated

back on this unit because of their disc

without deactivating Alternative Frequency

characteristics, or for the following reasons:

ENGLISH

Reception. (See page 14.)

– Discs are dirty or scratched.

• If you want to know more about RDS, visit

– Moisture condensation occurs on the lens

«http://www.rds.org.uk».

inside the unit.

– The pickup lens inside the unit is dirty.

– CD-R/CD-RW on which the files are

Disc operations

written with “Packet Write” method.

Caution for DualDisc playback

– There are improper recording conditions

• The Non-DVD side of a “DualDisc” does

(missing data, etc.) or media conditions

not comply with the “Compact Disc Digital

(stained, scratched, warped, etc.).

Audio” standard. Therefore, the use of Non-

• CD-RWs may require a longer readout time

DVD side of a DualDisc on this product may

since the reflectance of CD-RWs is lower than

not be recommended.

that of regular CDs.

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

General

– Discs with stickers, labels, or a protective

seal stuck to the surface.

• This unit has been designed to reproduce

– Discs on which labels can be directly printed

CDs/CD Texts, and CD-Rs (Recordable)/

by an ink jet printer.

CD-RWs (Rewritable) in audio CD (CD-DA),

Using these discs under high temperatures or

MP3 and WMA formats.

high humidities may cause malfunctions or

• When a disc had been loaded, selecting

damage to the unit.

“DISC” for the playback source starts disc

play.

Playing an MP3/WMA disc

Inserting a disc

• This unit can play back MP3/WMA files

with the extension code <.mp3> or <.wma>

• When a disc is inserted upside down, the disc

(regardless of the letter case—upper/lower).

automatically ejects.

• This unit can show the names of albums,

• Do not insert 8 cm discs (single CD) and

artists (performer), and Tag (Version 1.0, 1.1,

unusual shape discs (heart, flower, etc.) into

2.2, 2.3, or 2.4) for MP3 files and for WMA

the loading slot.

files.

• This unit can display only one-byte

Playing a disc

characters. No other characters can be

• While fast-forwarding or reversing on an MP3

correctly displayed.

or WMA disc, you can only hear intermittent

• This unit can play back MP3/WMA files

sounds.

meeting the conditions below:

– Bit rate: 8 kbps — 320 kbps

Playing a CD-R or CD-RW

– Sampling frequency:

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

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

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

• This unit can play back only files of the same

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

type which are first detected if a disc includes

Romeo, Joliet, Windows long file name

both audio CD (CD-DA) files and MP3/

WMA files.

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• The maximum number of characters for file/

General settings—PSM

folder names vary among the disc format used

• If you change the “AMP GAIN” setting from

(includes 4 extension characters—<.mp3> or

“HIGH PWR” to “LOW PWR” while the

<.wma>).

volume level is set higher than “VOL 30,” the

– ISO 9660 Level 1: up to 12 characters

unit automatically changes the volume level to

– ISO 9660 Level 2: up to 31 characters

“VOL 30.”

– Romeo: up to 128 characters

ENGLISH

– Joliet: up to 64 characters

DAB tuner operations

– Windows long file name: up to 128

characters

• Only primary DAB services can be presetted

• This unit can play back files recorded in VBR

even when you store a secondary service.

(variable bit rate).

• A previously preset DAB service is erased

Files recorded in VBR have a discrepancy

when a new DAB service is stored in the same

in elapsed time display, and do not show

preset number.

the actual elapsed time. Especially, after

performing the search function, this

iPod® or D. player operations

difference becomes noticeable.

• When you turn on this unit, the iPod or

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

D. player is charged through this unit.

200 folders, and of 8 hierarchies.

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

• This unit cannot play back the following files:

operations from the iPod or D. player are

– MP3 files encoded with MP3i and

disabled. Perform all operations from this

MP3 PRO format.

unit.

– MP3 files encoded in an inappropriate

• The text information may not be displayed

format.

correctly.

– MP3 files encoded with Layer 1/2.

– Some characters such as accented letters

– WMA files encoded with lossless,

cannot be shown correctly on the display.

professional, and voice format.

– Depends on the condition of

– WMA files which are not based upon

communication between the iPod or

Windows Media

Audio.

®

D. player and the unit.

– WMA files copy-protected with DRM.

• If the text information includes more than

– Files which have the data such as WAVE,

8 characters, it scrolls on the display (see

ATRAC3, etc.

also page 15). This unit can display up to 40

• The search function works but search speed is

characters.

not constant.

Notice:

Changing the source

When operating an iPod or a D. player,

• If you change the source, playback also stops

some operations may not be performed

(without ejecting the disc).

correctly or as intended. In this case, visit the

Next time you select “DISC” for the playback

following JVC web site:

source, disc play starts from where it has been

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

stopped previously.

english/car/support/ks-pd100/index.html>

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

Ejecting a disc

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

• If the ejected disc is not removed within

15 seconds, the disc is automatically inserted

again into the loading slot to protect it from

dust. (Disc will not play this time.)

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