JVC KD-G644 User manual
For canceling the display demonstration, see page 6.
For installation and connections, refer to the separate manual.
INSTRUCTIONS
GET0503-001A
[UI]
CD RECEIVER KD-G644
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2
Thank you for purchasing a JVC product.
Please read all instructions carefully before operation, to ensure your complete understanding and to obtain the best
possible performance from the unit.
IMPORTANT FOR LASER PRODUCTS
1. CLA 1 LA ER PRODUCT
2. CAUTION: Do not open the top cover. There are no user serviceable parts inside the unit; leave all servicing to
qualified service personnel.
3. CAUTION: Visible and/or invisible class 1M laser radiation when open. Do not view directly with optical
instruments.
4. REPRODUCTION OF LABEL: CAUTION LABEL, PLACED OUT IDE THE UNIT.
How to reset your unit
• Your preset adjustments will also be erased.
How to forcib y eject a disc
• Be careful not to drop the disc when it ejects.
• If this does not work, reset your unit.
Warning:
If you need to operate the unit while driving, be
sure to look around carefully or you may be involved
in a traffic accident.
Caution on vo ume setting:
Digital devices (CD/U B) produce very little noise
compared with other sources. Lower the volume
before playing these digital sources to avoid
damaging the speakers by sudden increase of the
output level.
[European Union only]
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How to use the M MODE button
If you press M MODE, the unit goes into functions mode,
then the number buttons and 5/∞ buttons will work
as different function buttons.
Ex.: When number button 2 works as
MO (monaural) button.
To use these buttons for their origina functions
again after pressing M MODE, wait for 5 seconds
without pressing any of these buttons until the
functions mode is cleared, or press M MODE again.
Detaching the contro pane
Attaching the contro pane
CONTENTS
Contro pane .................................. 4
Remote contro er — RM-RK50 ........... 5
Getting started ................................ 6
Basic operations ................................................... 6
Radio operations ............................. 7
Disc/USB device operations .............. 8
Playing a disc in the unit ..................................... 8
Playing from a U B device .................................... 8
Sound adjustments .......................... 11
Genera settings — PSM .................. 12
Other externa component
operations ................................... 14
Tit e assignment .............................. 14
Maintenance ................................... 15
More about this unit ........................ 16
Troub eshooting .............................. 19
Specifications .................................. 21
For safety...
• Do not raise the volume level too much, as this will
block outside sounds, making driving dangerous.
• top the car before performing any complicated
operations.
Temperature inside the car...
If you have parked the car for a long time in hot or cold
weather, wait until the temperature in the car becomes
normal before operating the unit.
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Parts identification
Disp ay window
Control panel
1 5 (up) / ∞ (down) buttons
2 0 (eject) button
3 (standby/on attenuator) button
4 Control dial
5 Remote sensor
DO NOT e pose the remote sensor to strong light
(direct sunlight or artificial lighting).
6 BAND button
7 Loading slot
8 Display window
9 EQ (equalizer) button
p DI P (display) button
q (control panel release) button
w RC (source) button
e 4 /¢ buttons
r AUX (auxiliary) button
t EL (select) button
y M MODE button
u MO (monaural) button
i M ( trong-station equential Memory) button
o Number buttons
; RPT (repeat) button
a RND (random) button
s AUX (auxiliary) input jack
d U B (Universal erial Bus) input jack
f ource display / Track number / Folder number /
Time countdown indicator
g Tr (track) indicator
h DI C indicator
j Playback mode / item indicators—RND (random),
(disc), (folder), RPT (repeat)
k Tuner reception indicators— T (stereo),
MO (monaural)
l ound mode (iEQ: intelligent equalizer) indicators
—CLA IC, HIP HOP, JAZZ, ROCK, POP , U ER
/ LOUD (loudness) indicator
z EQ (equalizer) indicator
Disc information indicators—
TAG (Tag information), (folder), (track/file)
c Main display
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Remote controller — RM-RK50
Insta ing the ithium coin battery
(CR2025)
Aim the remote contro er direct y at the remote
sensor on the unit. Make sure there is no obstac e
in between.
Warning:
• Do not install any battery other than CR2025 or
its equivalent; otherwise, it may explode.
• Do not leave the remote controller in a place
(such as the dashboard) exposed to direct
sunlight for a long time; otherwise, it may
explode.
• tore the battery in a place where children
cannot reach to avoid the risk of accidents.
• To prevent the battery from over-heating,
cracking, or starting a fire:
– Do not recharge, short, disassemble, heat the
battery, or dispose of it in a fire.
– Do not leave the battery with other metallic
materials.
– Do not poke the battery with tweezers or similar
tools.
– Wrap the battery with tape and insulate when
throwing away or saving it.
Main e ements and features
1 (standby/on/attenuator) button
• Turns the power on if pressed briefly or
attenuates the sound when the power is on.
• Turns the power off if pressed and held.
2 5 U (up) / D (down) ∞ buttons
• Changes the FM/AM bands with 5 U.
• Changes the preset stations with D ∞.
• Changes the folder of the MP3/WMA.
3 VOL – / VOL + buttons
• Adjusts the volume level.
4 OUND button
• elects the sound mode (iEQ: intelligent
equalizer).
5 OURCE button
• elects the source.
6 2 R (reverse) / F (forward) 3 buttons
• earches for stations if pressed briefly.
• Fast-forwards or reverses the track if pressed and
held.
• Changes the track if pressed briefly.
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Basic settings
• ee also “General settings — P M” on pages 12 and
13.
1
2
1 Cance ing the disp ay demonstrations
elect “DEMO,” then “DEMO OFF.”
2 Setting the c ock
elect “CLOCK HOUR,” then adjust the hour.
elect “CLOCK MIN” (minute), then adjust the
minute.
3 Finish the procedure.
To check the current c ock time whi e the
power is turned off
Clock time is shown on the display for
about 5 seconds. ee also page 13.
Getting started
Basic operations
~ Turn on the power.
Ÿ
* You cannot select these sources if they are not
ready or not connected.
! For FM/AM tuner
⁄ Adjust the vo ume.
@ Adjust the sound as you want. (See
pages 11 and 12.)
To drop the vo ume in a
moment (ATT)
To restore the sound, press the
button again.
To turn off the power
Volume level appears.
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When an FM stereo broadcast is hard to
receive
Reception improves, but the stereo effect will be lost.
To restore the stereo effect, repeat the same
procedure. “MONO OFF” appears and the MO indicator
goes off.
Storing stations in memory
You can preset six stations for each band.
FM station automatic presetting —
SSM (Strong-station Sequentia
Memory)
1 Se ect the FM band (FM1 – FM3) you want to
store into.
2
3
“ M” flashes, then disappears when automatic
presetting is over.
Local FM stations with the strongest signals are
searched and stored automatically in the FM band.
Radio operations
~
Ÿ
! Start searching for a station.
When a station is received, searching stops.
To stop searching, press the same button
again.
To tune in to a station manua y
In step ! above...
1
2 Se ect a desired station frequency.
Lights up when receiving an FM stereo
broadcast with sufficient signal strength.
Lights up when monaural mode is activated.
Continued on the ne t page
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Manual presetting
Ex.: Storing the FM station of 92.50MHz into preset
number 4 of the FM1 ban .
1
2
3
Listening to a preset station
1
2 Select the preset station (1 – 6) you want.
or
To check the other information while
listening to an FM or M station
Frequency = Clock =
Station name * = (back to the
beginning)
* If no title is assigned to a station, “NO NAME” appears.
To assign a title to a station, see page 14.
Disc / USB device
operations
: For built-in CD player operations.
: For external USB evice operations.
Playing a disc in the unit
All tracks will be playe repeate ly until you change the
source or eject the isc.
To stop play and eject the disc
• Press SRC to listen to another
playback source.
Playing from a USB device
This unit can play MP3/WMA tracks store in a USB
evice (except HDD).
All tracks in the USB evice will be playe repeate ly
until you change the source.
~ USB input jack
Preset number flashes for a while.
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To fast-forward or reverse the track
To go to the next or previous track
To go to the next or previous folder (for
MP3/WM )
To locate a particular track (for CD) or folder
(for MP3/WM ) directly
To select a number from 01 – 06:
To select a number from 07 – 12:
• To use irect fol er access on MP3/WMA, it is
require that fol ers are assigne with 2- igit
numbers at the beginning of their fol er names—
01, 02, 03, an so on.
To select a particular track in a fol er
(for MP3/WMA):
Ÿ
If a USB device has been attached...
Playback starts from where it has been stoppe
previously.
• If a ifferent USB evice is currently attache ,
playback starts from the beginning.
To detach the USB device, straightly pull it out from
the unit.
• Removing the USB evice will also stop playback.
Then, press SRC to listen to another playback source.
Cautions:
• Avoi using the USB evice if it might hin er your
safety riving.
• Do not pull out or attach the USB evice
repeate ly while “READING” appears on the
isplay.
• Do not start a car engine if a USB evice is
connecte .
• This unit may not be able to play the files
epen ing on the type of the USB evice.
• Operation an power supply may not work as
inten e for some USB evices.
• You cannot connect a computer to the USB input
jack of the unit.
• Make sure all important ata has been backe up
to avoi losing the ata.
• Do not leave a USB evice in the car, expose to
irect sunlight, or high temperature to avoi
eformation or cause amage to the USB evice.
• Some USB evices may not work imme iately
after you turn on the power.
• For more etails about USB operations, see pages
17 an 18.
USB memory
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Changing the display information
While playing an audio CD or CD Text
= Disc title/performer *1 = Track
title *1 [ ] = B = (back to the beginning)
While playing an MP3/WM disc or
USB device
• When “T G DISPL Y” is set to “T G ON”
(see page 13)
= lbum name/performer (folder
name *2) [ ] = Track title (file
name *2) [ ] = B = (back to the
beginning)
• When “T G DISPL Y” is set to “T G OFF”
= Folder name [ ] = File name
[ ] = B = (back to the beginning)
: Clock with the current track number
B : The elapse playing time with the current track
number
[ ] : Correspon ing in icator lights up on the isplay
*1 If the current disc is an audio D, “NO NAME” appears.
*2 If an MP3/WMA file does not have Tag information,
folder name and file name appear. In this case, the
TAG indicator will not light up.
Other main functions
Skipping tracks quickly during play
• For MP3/WMA, you can skip tracks within the same
fol er
Ex.: To select track 32 while playing tracks whose
number is a single igit (1 to 9)
1
2
Each time you press the button, you can skip 10
tracks.
• After the last track, the first track will be selecte
an vice versa.
3
Prohibiting disc ejection
You can lock a isc in the loa ing slot.
To cancel the prohibition, repeat the same
proce ure.
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