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© B64-2463-00/01 (MV)
KDC-8023(M) Cover_r2
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Safety precautions.............................3
About CDs..........................................5
About GSM Hand Free Unit...............5
Notes on Multi-function
Key System.....................................6
General features ................................7
Selecting the Source
System Q
Audio Control
Speaker Setting
Display Mode Switching
Text Display Switching
Station/Disc Naming (SNPS/DNPS)
Auxiliary Input Display Setting
Non-fading Output
Panel Position Setting
Theft Deterrent Panel
Hiding the Control Panel
Dual Zone System
Tuner/TV control features................17
Tuning Mode
Direct Access Tuning
Station Preset Memory
Auto Memory Entry
Preset Tuning
Frequency Step Setting
TV Tuning
Preset TV Tuning
CD/External disc control
Playing CD
Playing External Disc
Fast Forwarding and Reversing
Track Search
Disc Search
Direct Track Search
Direct Disc Search
Track/Disc Repeat
Scan Play
Random Play
Magazine Random Play
Text/Title Scroll
DNPP (Disc Name Preset Play)
GSM Hands Free Unit control
Receiving a call
Phone Book Search
Direct Dial
SMS (Short Message Service) Mode
Phone Book/ Message (SMS) data synchronize
Menu system....................................27
Menu System
Security Code
Phone voice speaker setting
Microphone sensitivity adjust
Auto Response time Adjust
Touch Sensor Tone
Manual Clock Adjustment
DSI (Disabled System Indicator)
Selectable Illumination
Contrast Adjustment
OFF Wait Time Setting
Eject angle setting
Switching preout
Built-in Amp Mute Setting
B.M.S. (Bass Management System)
B.M.S. Frequency Offset
CRSC (Clean Reception System Circuit)
Text Scroll
Built-in Auxiliary input Setting
Basic Operations of remote ............32
Accessories ......................................34
Installation Procedure .....................34
Connecting Wires to Terminals .......35
Installation ......................................36
Removing the Unit...........................37
Locking the Backpanel to the unit .38
Troubleshooting Guide ....................39
Specifications ..................................42
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Safety precautions
To prevent injury or fire, take the
following precautions:
· Insert the unit all the way in until it is fully
locked in place. Otherwise it may fall out of
place when jolted.
· When extending the ignition, battery, or
ground wires, make sure to use automotive-
grade wires or other wires with a 0.75mm2
(AWG18) or more to prevent wire
deterioration and damage to the wire
·To prevent a short circuit, never put or leave
any metallic objects (such as coins or metal
tools) inside the unit.
· If the unit starts to emit smoke or strange
smells, turn off the power immediately and
consult your Kenwood dealer.
· Make sure not to get your fingers caught
between the faceplate and the unit.
· Be careful not to drop the unit or subject it to
strong shock.
The unit may break or crack because it
contains glass parts.
· Do not touch the liquid crystal fluid if the
LCD is damaged or broken due to shock. The
liquid crystal fluid may be dangerous to your
health or even fatal.
If the liquid crystal fluid from the LCD
contacts your body or clothing, wash it off
with soap immediately.
To prevent damage to the machine,
take the following precautions:
· Make sure to ground the unit to a negative
12V DC power supply.
· Do not open the top or bottom covers of the
· Do not install the unit in a spot exposed to
direct sunlight or excessive heat or humidity.
Also avoid places with too much dust or the
possibility of water splashing.
· Do not subject the faceplate to excessive
shock, as it is a piece of precision
· When replacing a fuse, only use a new one
with the prescribed rating. Using a fuse with
the wrong rating may cause your unit to
·To prevent a short circuit when replacing a
fuse, first disconnect the wiring harness.
· Do not place any object between the
faceplate and the unit.
· Do not use your own screws. Use only the
screws provided. If you use the wrong
screws, you could damage the unit.
· Do not apply excessive force to the moving
faceplate. Doing so will cause damage or
· Do not apply excessive force to the open
faceplate or place objects on it. Doing so will
cause damage or breakdown.
Do Not Load 3-in. CDs in the CD slot
If you try to load a 3 in. CD with its adapter
into the unit, the adapter might separate from
the CD and damage the unit.
About CD players/disc changers
connected to this unit
KENWOOD disc changers/ CD players
released in 1998 or later can be connected to
this unit.
Refer to the catalog or consult your Kenwood
dealer for connectable models of disc
changers/ CD players.
Note that any KENWOOD disc changers/ CD
players released in 1997 or earlier and disc
changers made by other makers cannot be
connected to this unit.
Unsupported connection may result in
Setting the "O-N" Switch to the "N" position for
the applicable KENWOOD disc changers/ CD
The functions that can be used and the
information that can be displayed will differ
depending on the models being connected.
You can damage both your unit and the CD
changer if you connect them incorrectly.
The marking of products using lasers
(Except for some areas)
The label is attached to the chassis/case and
says that the component uses laser beams
that have been classified as Class 1. It
means that the unit is utilizing laser beams
that are of a weaker class. There is no
danger of hazardous radiation outside the
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Safety precautions
· If you experience problems during
installation, consult your Kenwood dealer.
· If the unit fails to operate properly, press the
Reset button. The unit returns to factory
settings when the Reset button is pressed.
If the unit still fails to operate properly after
the Reset button has been pressed, contact
your local KENWOOD dealer for assistance.
·Press the reset button if the disc auto
changer fails to operate correctly. Normal
operation should be restored.
·We recommend the use of <Security Code>
(page. 28) to prevent theft.
· Characters in the LCD may become difficult
to read in temperatures below 41 °F (5 °C).
· The illustrations of the display and the panel
appearing in this manual are examples used
to explain more clearly how the controls are
used. Therefore, what appears on the display
in the illustrations may differ from what
appears on the display on the actual
equipment, and some of the illustrations on
the display may represent something
impossible in actual operation.
Lens Fogging
Right after you turn on the car heater in cold
weather, dew or condensation may form on
the lens in the CD player of the unit. Called
lens fogging, CDs may be impossible to play.
In such a situation, remove the disc and wait
for the condensation to evaporate. If the unit
still does not operate normally after a while,
consult your Kenwood dealer.
Cleaning the Faceplate Terminals
If the terminals on the unit or faceplate get
dirty, wipe them with a dry, soft cloth.
Cleaning the Unit
If the faceplate of this unit is stained, wipe it
with a dry soft cloth such as a silicon cloth.
If the faceplate is stained badly, wipe the stain
off with a cloth moistened with neutral
cleaner, then wipe neutral detergent off.
Applying spray cleaner directly to the unit may
affect its mechanical parts. Wiping the
faceplate with a hard cloth or using a volatile
liquid such as thinner or alcohol may scratch
the surface or erases characters.
Cleaning the CD Slot
As dust tends to accumulate in the CD slot,
clean it every once in a while. Your CDs can
get scratched if you put them in a dusty CD
Reset button
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About CDs
Handling CDs
· Don't touch the recording surface of the CD.
· CD-R and CD-RW are easier to damage than
a normal music CD. Use a CD-R or a CD-RW
after reading the caution items on the
package etc.
· Don't stick tape etc. on the CD.
Also, don't use a CD with tape stuck on it.
When using a new CD
If the CD center hole or outside rim has burrs,
use it after removing them with a ball pen etc.
CD accessories
Don't use disc type accessories.
CD cleaning
Clean from the center of the disc and move
Removing CDs
When removing CDs from this unit pull them
out horizontally.
CDs that can't be used
· CDs that aren't round can't be used.
· CDs with coloring on the recording surface
or that are dirty can't be used.
· This unit can only play the CDs with
It may not correctly play disks which do not
have the mark.
·A CD-R or CD-RW that hasn't been finalized
can't be played. (For the finalization process
refer to your CD-R/CD-RW writing software,
and your CD-R/CD-RW recorder instruction
CD storage
· Don't place them in direct sunlight (On the
seat or dashboard etc.) and where the
temperature is high.
· Store CDs in their cases.
Refer to the GSM Hands Free Unit control
features of this manual for the operation
method of GSM Hands Free Unit KCA-HF521
(optional accessory) when connected.
About GSM Hand Free Unit
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