CD RECEIVER
KD-G646/KD-G645
KD-G646/KD-G645
ENGLISH
For canceling the display demonstration, see page 6.
For installation and connections, refer to the separate manual.
INSTRUCTIONS
GET0502-005A
[UT]
ENGLISH
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.CLASS 1 LASER 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 OUTSIDE THE UNIT.
[European Union only]
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.
How to reset your unit
• Your preset adjustments will also be erased.
Caution on volume setting:
Digital devices (CD/USB) 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.
How to forcibly eject a disc
•Be careful not to drop the disc when it ejects.
•If this does not work, reset your unit.
2
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 original 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 control panel
CONTENTS |
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Control panel —KD-G646/KD-G645 ....... |
4 |
Remote controller — 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 USB device.................................... |
8 |
Sound adjustments.......................... |
11 |
General settings — PSM .................. |
12 |
Other external component |
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operations ................................... |
14 |
Title assignment.............................. |
14 |
Maintenance ................................... |
15 |
More about this unit ........................ |
16 |
Troubleshooting.............................. |
19 |
Specifications.................................. |
21 |
ENGLISH
Attaching the control panel
The control panel illustrations used for explanation in this manual is of KD-G645.
For safety...
•Do not raise the volume level too much, as this will block outside sounds, making driving dangerous.
•Stop 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.
3
ENGLISH
Control panel — KD-G646/KD-G645
Parts identification
Display window
1 |
5(up) / ∞(down) buttons |
o Number buttons |
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2 |
0(eject) button |
; RPT (repeat) button |
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3 |
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(standby/on attenuator) button |
a RND (random) button |
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4 |
Control dial |
s AUX (auxiliary) input jack |
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5 |
Remote sensor |
d USB (Universal Serial Bus) input jack |
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DO NOT expose the remote sensor to strong light |
f Source display / Track number / Folder number / |
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(direct sunlight or artificial lighting). |
Time countdown indicator |
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6 |
BAND button |
g Tr (track) indicator |
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7 |
Loading slot |
h DISC indicator |
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8 |
Display window |
j Playback mode / item indicators—RND (random), |
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9 |
EQ (equalizer) button |
(disc), |
(folder), RPT (repeat) |
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p DISP (display) button |
k Tuner reception indicators—ST (stereo), |
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q |
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(control panel release) button |
MO (monaural) |
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w SRC (source) button |
l Sound mode (iEQ: intelligent equalizer) indicators |
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e 4 /¢ buttons |
—CLASSIC, HIP HOP, JAZZ, ROCK, POPS, USER |
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r AUX (auxiliary) button |
/ LOUD (loudness) indicator |
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t SEL (select) button |
z EQ (equalizer) indicator |
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y M MODE button |
x Disc information indicators— |
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u MO (monaural) button |
TAG (Tag information), |
(folder), |
(track/file) |
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i SSM (Strong-station Sequential Memory) button |
c Main display |
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4
Remote controller — RM-RK50 |
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Main elements and features |
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Installing the lithium coin battery (CR2025)
ENGLISH
Aim the remote controller directly at the remote sensor on the unit. Make sure there is no obstacle 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.
•Store 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.
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 5U (up) / D (down) ∞buttons
•Changes the FM/AM bands with 5U.
•Changes the preset stations with D ∞.
•Changes the folder of the MP3/WMA.
3VOL – / VOL + buttons
•Adjusts the volume level. 4 SOUND button
•Selects the sound mode (iEQ: intelligent equalizer).
5 SOURCE button
• Selects the source.
62R (reverse) / F (forward) 3buttons
•Searches for stations if pressed briefly.
•Fast-forwards or reverses the track if pressed and held.
•Changes the track if pressed briefly.
5
ENGLISH
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 volume.
Basic settings
•See also “General settings — PSM” on pages 12 and 13.
1
2
1Canceling the display demonstrations
Select “DEMO,” then “DEMO OFF.”
2Setting the clock
Select “CLOCK HOUR,” then adjust the hour. Select “CLOCK MIN” (minute), then adjust the minute.
3 Finish the procedure.
To check the current clock time while the power is turned off
Clock time is shown on the display for about 5 seconds. See also page 13.
Volume level appears.
@Adjust the sound as you want. (See pages 11 and 12.)
To drop the volume in a moment (ATT)
To restore the sound, press the button again.
To turn off the power
6
Radio operations
~ 
Ÿ 
Lights up when receiving an FM stereo broadcast with sufficient signal strength.
!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 manually
In step !above...
1
2 Select a desired station frequency.
When an FM stereo broadcast is hard to receive
Lights up when monaural mode is activated. |
ENGLISH |
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 Sequential Memory)
1Select the FM band (FM1 – FM3) you want to store into.
2
3
“SSM” flashes, then disappears when automatic presetting is over.
Local FM stations with the strongest signals are searched and stored automatically in the FM band.
Continued on the next page
7
Manual presetting
Ex.: Storing the FM station of 92.50MHz into preset
ENGLISH
number 4 of the FM1 band.
1 
2
3
Preset number flashes for a while.
Listening to a preset station
1 
2Select the preset station (1 – 6) you want.
or
To check the other information while listening to an FM or AM 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 device operations.
Playing a disc in the unit 
All tracks will be played repeatedly until you change the source or eject the disc.
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 stored in a USB device (except HDD).
All tracks in the USB device will be played repeatedly until you change the source.
~USB input jack
8
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