Panasonic Weather Band Receiver Cr W402u Operating Instructions

							Operating Instructions
VOLUME/PUSHSEL
APM APM POWERPOWERBAND
BAND
123456
TUNE
TUNE
SEEK SEEK
MUTE
DISPDISP
SQ
CLOCK
CR-W402U
CR-W402UPWR PWR
Heavy Duty Weather Band Receiver
CR-W402U
•Please read these instructions carefully before using this product and keep this manual for future reference.
R
CR_W402UOIeng_M  12/22/2005  12:31 PM  
						

							CR-W402U
3
CR-W402U
2
Warning
Observe the following warnings when handling
this unit.❑The driver should not operate the system while
driving.Operating the system will distract the driver from looking
ahead of the vehicle and can cause accidents. Always stop
the vehicle in a safe location and use the parking brake
before operating the system.❑Use the proper power supply.This product is designed for operation with a negative
grounded 12 V DC battery system. Never operate this
product with other battery systems, especially a 24 V DC
battery system.❑Do not expose the unit to direct sunlight or
excessive heat.Otherwise these will raise the interior temperature of the
unit, and it may lead to smoke, fire, or other damage to the
unit.❑Do not use the product where it is exposed to water,
moisture, or dust.Exposure of the unit to water, moisture, or dust may lead to
smoke, fire, or other damage to the unit. Make especially
sure that the unit does not get wet in car washes or on rainy
days.❑Do not disassemble or modify the unit.Do not disassemble, modify the unit or attempt to repair the
product  yourself. If the product needs to be repaired,
consult the shop where you purchased this unit or an
authorized Panasonic Servicenter.❑Do not use the unit when it is out of order.If the unit is out of order (no power, no sound) or in an
abnormal state (has foreign matter in it, is exposed to water,
is smoking, or smells), turn it off immediately and consult
the store where you purchased it.❑A weather report (including both weather forecasts
and current weather reports) of NOAA broadcasting
may not accord with an actual weather condition in
your place.
In the critical situation, you should always pay
attention to the actual weather condition to safely
make decisions.
Observe the following warnings when
installation.❑Disconnect the lead from the negative (–) battery
terminal before installation.Wiring and installation with the negative (–) battery terminal
connected may cause electrical shock and injury due to a
short circuit.
Some cars equipped with the electrical safety system have
specific procedures of battery terminal disconnection.FAILURE TO FOLLOW THE PROCEDURE MAY LEAD TO THE
UNINTENDED ACTIVATION OF THE ELECTRICAL SAFETY
SYSTEM RESULTING IN DAMAGE TO THE VEHICLE AND
PERSONAL INJURY OR DEATH.❑Never use safety-related components for
installation, grounding, and other such functions.Do not use safety-related vehicle components (fuel tank,
brake, suspension, steering wheel, pedals, airbag, etc.) for
wiring or fixing the product or its accessories.❑Installing the product on the air bag cover or in a
location where it interferes with airbag operation is
prohibited.❑Check for piping, gasoline tank, electric wiring, and
other items before installing the product.If you need to open a hole in the vehicle chassis to attach or
wire the product, first check where the wire harness,
gasoline tank, and electric wiring are located. Then open the
hole from outside if possible.❑Never install the product in a location where it
interferes with your field of vision.❑Never have the power cord branched to supply other
equipment with power.❑After installation and wiring, you should check the
normal operation of other electrical equipment.The continuation of their using in abnormal conditions may
cause fire, electrical shock or a traffic accident.❑In the case of installation to an airbag-equipping
car, confirm warnings and cautions of the vehicle
manufacturer before installation.❑Make sure the leads do not interfere with driving or
getting in and out of the vehicle.❑Insulate all exposed wires to prevent short
circuiting.
This pictograph intends to alert you to the
presence of important operating instructions and
installation instructions. Failure to heed the
instructions may result in severe injury or death.
■Read the operating instructions for the unit and all other
components of your car audio system carefully before using
the system. They contain instructions about how to use the
system in a safe and effective manner. Panasonic assumes no
responsibility for any problems resulting from failure to
observe the instructions given in this manual.
■This manual uses pictographs to show you how to use the
product safely and to alert you to potential dangers resulting
from improper connections and operations. The meanings of
the pictographs are explained below. It is important that you
fully understand the meanings of the pictographs in order to
use this manual and the system properly.
Warning
This pictograph intends to alert you to the
presence of important operating instructions and
installation instructions. Failure to heed the
instructions may result in injury or material
damage.
Caution
The following applies only in the U.S.A.
Part 15 of the FCC RulesFCC Warning:Any unauthorized changes or modifications to this
equipment would void the users authority to operate
this device.
Caution
Observe the following cautions when handling
this unit.❑Keep the sound volume at an appropriate level.Keep the volume level low enough to be aware of road and
traffic conditions while driving.❑This unit is designed for use exclusively in
automobiles.❑Do not operate the unit for a prolonged period with
the engine turned off.Operating the audio system for a long period of time with
the engine turned off will drain the battery.❑Refer fuse replacement to qualified service
personnel.When the fuse burns out, eliminate the cause and have it
replaced with the fuse prescribed for this unit by a qualified
service engineer. Incorrect replacement of the fuse may lead
to smoke, fire, and damage to the product.❑To ensure safety, never attempt to preset stations
while you are driving.❑Depending upon the transmission condition of
electro-magnetic waves, the geographical reasons
and/or the weather conditions, you may not receive
the NOAA radio partially or at all.❑Make sure that your weather radio can receive
properly before driving, especially, before use in a
critical condition.Observe the following cautions when
installation.❑Refer wiring and installation to qualified service
personnel.Installation of this unit requires special skills and
experience. For maximum safety, have it installed by the
shop where you purchased it. Panasonic is not liable for any
problems resulting from your own installation of the unit.
❑Follow the instruction to install and wire the
product.Not following the instructions to properly install and wire
the product could cause an accident or fire.❑Take care not to damage the leads.When wiring, take care not to damage the leads.  Prevent
them from getting caught in the vehicle chassis, screws,
and moving parts such as seat rails. Do not scratch, pull,
bend or twist the leads. Do not run them near heat sources
or place heavy objects on them. If leads must be run over
sharp metal edges, protect the leads by winding them with
vinyl tape or similar protection.❑Use the designated parts and tools for installation.Use the supplied or designated parts and appropriate tools
to install the product. The use of parts other than those
supplied or designated may result in internal damage to the
unit. Faulty installation may lead to an accident, a
malfunction or fire.❑Do not block the air vent or the cooling plate of the
unit.Blocking these parts will cause the interior of the unit to
overheat and will result in fire or other damage.❑Do not install the product where it is exposed to
strong vibrations or is unstable.Avoid slanted or strongly curved surfaces for installation. If
the installation is not stable, the unit may fall down while
driving and this can lead to an accident or injury.❑Installation AngleThe product should be installed in a horizontal position with
the front end up at a convenient angle, but not more than
30˚.
The user should bear in mind that in some areas there may
be restrictions on how and where this unit must be
installed. Consult your dealer for further details.❑Wear gloves for safety. Make sure that wiring is
completed before installation.❑To prevent damage to the unit, do not connect the
power connector until the whole wiring is
completed.❑Do not connect more than one speaker to one set of
speaker leads. (except for connecting to a tweeter)
Safety Information
Accessories
1. Operating Instructions ..................................................................................................1
2. Supplied Hardware.............................................................................1 set (
➡ page 16)
3. Warranty Card ...............................................................................................................1
CR_W402UOIeng_M  12/22/2005  12:31 PM  
						

							VOLUME/PUSHSEL
APMAPM POWERPOWERBAND
B AND
123456
TUNETUNE
SEEKSEEK
MUTE
DISPDISP
S
Q
CLOCK
CR-W402U CR-W402U PWRPWR
PWR
MUTE
DISPDISP
CR-W402U
5
CR-W402U
4ContentsSafety Information (Part 15 of the FCC Rules) . . . . . . . . . . . . . . . . Page 2
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . 3❒Power and Sound Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Power, volume, mute, display change, SQ (Sound Quality), audio modes
(Bass/Treble/Balance/Fader)❒Clock Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
8Initial time, time readjustment❒Radio  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . 9Band, manual tuning, seek tuning, preset station setting, preset station
calling, weather band station❒Tr
oubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
12Troubleshooting tips, product servicing❒Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . 14Care of the unit❒Speaker Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14❒Installation Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15\
Installation hardware, overview, required tools, dashboard specifications,
preparation, to remove the unit❒Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Cautions, wiring diagram❒Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. 20
Volume level (0 to 40)
(default:18)
PowerTurn the key in the ignition until the accessory indicator lights.Power on:
Press 
[PWR](POWER)
.
Power off:
Hold down 
[PWR](POWER)
for more than 1 second.
ACC
ON
VolumeTurn the knob clockwise to increase volume,
and counterclockwise to decrease volume. No display clock display
Note: 
“AdJ” is displayed when the clock is
not adjusted. (
➡ page 8)ba
Display ChangePress 
[DISP]
to switch to the clock display.
When the power is off:
Up
Down
Power and Sound ControlsMutePress 
[MUTE]
to mute the sound completely.
Press 
[MUTE]
again to cancel.
CR_W402UOIeng_M  12/22/2005  12:31 PM  
						

							VOLUME/PUSHSEL
APM APM POWERPOWERBAND BAND
123456
TUNE
TUNE
SEEK SEEK
MUTE
DISPDISP
S
Q
CLOCK
CR-W402U CR-W402UPWR PWR
VOLUME/PUSHSEL
APM
APM POWERPOWERBAND
BAND
123456
TUNE
TUNE
SEEK SEEK
MUTE
DISPDISP
S
Q
CLOCK
CR-W402U CR-W402UPWR PWR
MUTE
CR-W402U
7
CR-W402U
6
Audio Modes 
(Bass/Treble/Balance/Fader)
SQ (Sound Quality) 
SQ is a function that can call up various sound types at the touch of
button in accordance with your listening music type.
Press 
[SQ]
for more than 2 seconds to select the sound type as follows:Push 
[SEL]
to select the audio mode.
Note:
If no operation takes place for more than 5
seconds in audio mode (2 seconds in
volume mode), the display returns to the
regular mode.
Push
Power and Sound Controls 
(Continued)
w q
Tu r n  
[VOL]
(volume) clockwise or
counterclockwise to change each level.
(FLAT) flat frequency response:
does not emphasize any part. (default)
Note:
Settings of SQ, bass and treble are influenced one another. If such an influence causes distortion to the
audio signal, readjust bass/treble or volume.(ROCK) speedy and heavy sound:
exaggerates bass and treble.
(POP) wide-ranged and deep sound:
slightly emphasizes bass and treble.
(VOCAL) clear sound:
emphasizes middle tone and slightly emphasizes treble.
(Setting Range: –12 dB to +12 dB by 2 dB,
Default: 0 dB)
:Increased:Decreased
(Setting Range: –12 dB to +12 dB by 2 dB,
Default: 0 dB)
:Increased:Decreased
(Setting Range: 15 levels each and 0 (center),
Default 0)
: Right enhanced:Left enhanced
(Setting Range: 15 levels each and 0 (center),
Default 0)
: Front enhanced:Rear enhanced
Bass
(Setting Range: 0 to 40, Default: 18)
:UP:Down
Volume
Tr e ble
Balance
Fader
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							VOLUME/PUSHSEL
APM APM POWERPOWERBAND BAND
123456
TUNE
TUNE
SEEK SEEK
MUTE
DISPDISP
S
Q
CLOCK
CR-W402U CR-W402UPWR PWR
BAND BANDTUNE
SEEK
VOLUME/PUSHSEL
APM APM POWERPOWERBAND
BAND
123456
TUNE
TUNE
SEEK SEEK
MUTE
DISPDISP
SQ
CLOCK
CR-W402U
CR-W402UPWR PWR
TUNE
SEEK
DISP
CR-W402U
9
CR-W402U
8
Radio
Seek TuningPress and hold for more than 0.5 seconds and release it.[}
TUNE]
: Higher frequency
[{
TUNE]
: Lower frequency
Tuning will automatically stop when the next broadcast
station is received.FM stereo indicator, lights while receiving an FM stereo signal.
Manual Tuning[}
TUNE]
: Higher frequency
[{
TUNE]
: Lower frequency
w
Clock AdjustmentThe 12-hour system is used for the clock.Selecting the Clock DisplayPress 
[DISP]
to change the display.
[{
TUNE]
,[}
TUNE]
(Hours, Minutes)
Initial Time
Time Readjustment
When you want to readjust the time, repeat
steps 
w
to y.
Note: 
Hold down 
[{
]or 
[}
]to change
numbers rapidly.
q
Press 
[DISP]
(CLOCK).
w
Hold down 
[DISP]
(CLOCK) for more than 2 seconds.
(Hours blink)
e
Adjust the hour.
(Hours set)
Press 
[}
]: sets the hour ahead.
Press 
[{
]: sets the hour back.
r
Press 
[DISP]
(CLOCK).
(Minutes blink)
t
Adjust the minute.
(Minutes set)
Press 
[}
]: sets the minute ahead.
Press 
[{
]: sets the minute back.
y
Press 
[DISP]
(CLOCK).
(End.)
Radio mode display (default)
Clock display
BandPress 
[BAND]
to change the band.
q
FM1
FM2
AM
162
(Weather Band)
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							VOLUME/PUSHSEL
APM APM POWERPOWERBAND
BAND
123456
TUNE
TUNE
SEEK SEEK
MUTE
DISPDISP
SQ
CLOCK
CR-W402U
CR-W402UPWR PWR123456
VOLUME/PUSHSEL
APM
APM POWERPOWERBAND BAND
123456
TUNE
TUNE
SEEK SEEK
MUTE
DISPDISP
SQ
CLOCK
CR-W402U
CR-W402UPWR PWR
BAND
123456
CR-W402U
11
CR-W402U
10
Tuning in a Weather Band Station• Press 
[BAND](APM)
to select WB (Weather Band). (
a
page 9)
• Press any of the buttons 
[1]
to [6]
to monitor the preset station.
Weather Band StationsNational Weather Radio Broadcasts from over 380 Iocations throughout the
U.S. on seven VHF/FM frequencies.
Tune to weather band to receive continuous weather information 24 hours
a day on one of the following frequencies.
1. 162.550 MHz
2. 162.400 MHz
3. 162.475 MHz
4. 162.425 MHz
5. 165.450 MHz
6. 162.500 MHz
7. 162.525 MHz
Occasionally the frequency of an existing or planned station must be
changed because of unexpected radio frequency interfere with adjacent
NOAA weather Radio Stations and/or with other Government or
commercial Operations within the area. If you have a question concerning
NOAA Weather Radio, please contact your nearest National Weather
Service Office.Note:
The weather band (CH1-6) has been preset. CH7 is selected by
pressing 
[}
]or [{
].
WB Weather Band Frequency (channel) Number
Radio 
(Continued)
Preset buttons from 
[1]
to [6]
Preset Station SettingUp to 6 stations can be saved in each of the FM1, FM2
and AM preset station memories.Note:
Existing saved stations are overwritten with new
stations after following this procedure.
Caution:
To ensure safety, never attempt to preset stations
while you are driving.blinks once
BandPress 
[BAND](APM)
to select a desired band. 
(
➡page 9)
Auto Preset Memory (APM)Press and hold 
[BAND]
(APM
: auto preset memory) for more
than 2 seconds.
• The 6 stations with good reception will be automatically
saved in the memory under preset buttons from 
[1]
to [6].
• Once set, the preset stations are sequentially scanned for 5
seconds each.
• To stop scanning, press one of the buttons from  
[1] 
to [6] 
.
Manual Preset Memoryq
Use manual or seek tuning to find a station. (
➡page 9)
w
Press and hold one of the preset buttons from 
[1]
to [6]
until the display blinks once.
Preset Station CallingPress the corresponding preset button from 
[1]
to [6]
to tune in a preset station.
q
w
Warning
A weather report (including both weather forecasts and current weather
reports) of NOAA broadcasting may not accord with an actual weather
condition in your place.
In the critical situation, you should always pay attention to the actual
weather condition to safely make decisions.
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CR-W402U
12
Much noise in FM stereo
and monaural broad-
casts.
Trouble
Station is too far, or signals are too weak.a
Select other stations of higher signal level.
The radio antenna is not extended enough.a
Extend fully the radio antenna.
Preset station is reset.
Battery cable is not correctly connected.a
Connect the battery cable to the terminal that is always active.
Cause/Step
❐
Radio
Troubleshooting Preliminary StepsCheck and take steps as described in the tables below.If You Suspect Something WrongImmediately switch the power off.
Disconnect the power connector and check that there is
neither smoke nor heat from the unit before asking for
repairs. Never try to repair the unit by yourself because it
is dangerous to do so.Note: 
For whatever is printed in italics in “Cause/Step”
column, conduct the operations and checks by yourself.
No power.
Trouble
Vehicle’s ignition switch is not on.a
Turn your vehicle’s ignition switch to ACC or ON.
Cables are not correctly connected.a
Connect cables correctly.
Power connector is not correctly connected.a
Connect the power connector to the terminal that is always active.
Power connector is not correctly connected. a
Connect the power connector to your vehicle’s ACC source.
Grounding wire is not correctly connected. a
Connect the grounding wire to a metal part of the vehicle.
Mute is set to ON. a
Set it to OFF.
Cables are not correctly connected. a
Connect cables correctly.
The ground lead is not connected properly. a
Connect the ground lead properly.
Cautions:• Do not use the unit if it malfunctions or if there is
something wrong.
• Do not use the unit in irregular condition, for
example, without sound, or with smoke or foul
smell, which can cause ignition or electric shock.
Immediately stop using it and call the store where
you purchased it.
Cause/Step
Troubleshooting Tips❐
CommonNo sound.Noise.
No sound from left, right,
front, or rear speaker.
Trouble
Left and right balance, or front and rear balance is off on one side.a
Adjust BAL/FAD as appropriate.
Left and right sounds are
reversed in stereo
listening.
The right speaker wire is connected to the left speaker and the left speaker
wire to the right speaker.a
Connect the speaker wires to the correct ones.
Cables are not correctly connected.a
Connect the cables correctly.
Cause/Step
❐
Sound Setting
Product ServicingIf the suggestions in the charts do not solve the problem, we recommend that you take it to your nearest authorized
Panasonic Servicenter. The product should be serviced only by a qualified technician.
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							CR-W402U
15
CR-W402U
14Your product is designed and manufactured to ensure the minimum of maintenance. Use a soft cloth for routine
exterior cleaning. Never use benzine, thinner, or other solvents.
Care of the Unit
❐
Cleaning this Unit
Use a dry, soft cloth to wipe.
❐
Caution on Cleaning
Never use solvents such as benzine, thinner as they
may mar the surface of the unit.
MaintenanceSpeaker ConnectionsCaution:
Please follow the instructions given below.  Failure to do so will cause damage to the unit and speakers.
LR
- 
- 
- - 
- - 
- - 
- 
- +
+
++
++
+
++ +
- +- +- +
- +
- +- +
- +
- +LRLR
LR


(White)
(White
w/black stripe)Chassis(Gray 
w/black stripe)(Gray)Chassis
• Use ungrounded speaker only.
• The maximum speaker input should be 37 W or more.  (If used with the optional
power amplifier, the speaker input should be higher than the maximum amplifier
output.)
• The speaker impedance should be 4 – 8 Ω.
• This unit uses the BTCL circuit, so each speaker should be connected separately
using parallel vinyl insulated cords.
• The speaker cords and the power amplifier unit should be kept away (about 30 cm
apart) from the antenna and antenna extension cord.
• Never connect the speaker cord to
the body of the car.• Do not use a 3-wire type speaker
system having a common earth
lead.• Do not connect more than one
speaker to one set of speaker
leads.
Installation Guide❐
This installation information is designed for experienced installers and is not
intended for non-technical individuals. It does not contain warnings or cautions of
potential dangers involved in attempting to install this product.
Any attempt to install this product in a vehicle by anyone other than a qualified
installer could cause damage to the electrical system and could result in serious
personal injury or death.
❐
If your vehicle is equipped with air bag and/or anti-theft systems, specific procedures
may be required for connection and disconnection of the battery to install this product.
Before attempting installation of this electronic component, contact your vehicle
dealer or manufacturer to determine the required procedure and strictly follow their
instructions.
FAILURE TO FOLLOW THE PROCEDURE MAY RESULT IN THE UNINTENDED DEPLOY-
MENT OF AIR BAGS OR ACTIVATION OF THE ANTI-THEFT SYSTEM RESULTING IN
DAMAGE TO THE VEHICLE AND PERSONAL INJURY.
WARNING
❐
Overview
This product should be installed by a professional.
However, if you plan to install this product yourself,
your first step is to decide where to install it. The
instructions in these pages will guide you through the
remaining steps: (Please refer to the “WARNING” statement above.)• Identify and label the car wires.
• Connect the vehicle wires to the wires of the power
connector.
• Install the unit in the dashboard.
• Check the operation of the unit.
If you encounter problems, please consult your nearest
professional installer.Caution:
This unit operates with a 12 V DC negative
ground auto battery system only. Do not attempt to
use it in any other system. Doing so could cause
serious damage.
Before you begin installation, look for the items which
are packed with your unit.
• 
Warranty Card
…Fill this out promptly.
• 
Panasonic Servicenter List for Service Directory
…Keep for future reference in case the product needs
servicing.
• Installation Hardware…
Needed for in-dash installation.
❐
Dashboard Specifications
Min. 
3⁄16 (4.75 mm)
Max. 7⁄32 (5.56 mm)
23⁄32 (53 mm)
75⁄32 (182 mm) Thickness
Warning
Use fuses of the same specified rating 
(15 A)
. Using substitutes or fuses with higher ratings, or connecting the unit
directly without a fuse could cause fire or damage to the unit. 
If the replaced fuse fails, contact your nearest
authorized Panasonic Servicenter.
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							CR-W402U
17
CR-W402U
16❐
Preparation
❐
Installation Hardware
Warning:
If your vehicle is equipped with air bag
and/or anti-theft systems, specific procedures may
be required for connection and disconnection of the
battery to install this product.
Before attempting installation of this electronic
component, contact your vehicle dealer or
manufacturer to determine the required procedure
and strictly follow their instructions. 
FAILURE TO FOLLOW THE PROCEDURE MAY
RESULT IN THE UNINTENDED DEPLOYMENT OF
AIR BAGS OR ACTIVATION OF THE ANTI-THEFT
SYSTEM RESULTING IN DAMAGE TO THE VEHICLE
AND PERSONAL INJURY.Caution:
Various settings that have been stored in
the memory in other on-board equipment (vehicle
navigation etc.) may be lost if the battery terminals
are disconnected.
Therefore, we recommend to make a record of or to
back up the settings before disconnecting the
terminals.
After completing installation of the main unit, set the
equipment again according to the record. • Disconnect the cable from the negative  battery
terminal (see warning and caution below).
• Remove Mounting Collar 
q
from the main unit
temporarily, which are already mounted at shipment.*
• Unit should be installed in a horizontal position with
the front end up at a convenient angle, but not more
than 30˚.❐
Dashboard Installation
Installation OpeningThis unit can be installed in any dashboard having an
opening as shown below. The dashboard should be
3/16” (4.75 mm) – 7/32” (5.56 mm) thick in order to be
able to support the unit.
Q’ty
Item
No.
Diagram
q
1 Mounting Collar*
Plain washer (5mmø)
w
2
Spring Washer (5mmø)
e
2
Hex. Nut (5mmø)
r
2
Rear Support Strap
t
1
Hex. Bolt
(5mmø 
×25 mm)
y
1
Toothed Lock Washer
(5mmø)
u
1
Removal Tool
(U-shaped)
i
2
Power Connector
o
1
Mounting bolt
(5 mmø)
qMounting collarRear support bracket
(provided on the vehicle) Rubber cushion (option)
(a) Using the rear support strap 
t
(b) Using the rubber cushion (option)
Installation 
(Continued)
    
123
Cautions:
• We strongly recommend that you wear gloves for installation work to protect yourself from injuries.
• When bending the mounting tab of the mounting collar with a screwdriver, be careful not to injure your hands
and fingers.First complete the electrical connections, and then check them for correctness.(
a
page 18)
The included Mounting Collar 
q
is designed specially for this unit. Do not use it to attach any other model.
Insert Mounting Collar 
q
into the
dashboard, and bend the mounting tabs
out with a screwdriver.
Establish the rear connection of the unit.
After fixing Power Connector, fix the rear of the unit
to the vehicle body by either method (a) or (b)
shown in the previous page.After installation reconnect the negative
(–) battery terminal.The tabs to be bent vary depending
on the vehicle.  To securely install
the unit, fully bend a number of the
tabs so that there is no rattling.Example:
Ta b
q
Mounting
Collar
Mounting Holes
Mounting Bolt Power Connector
Mounting springs (
C)
Engage the Mounting
Springs (
C) in the
mounting holes of the
Mounting Collar 
q
firmly.
Mounting SpringMounting
Hole
❐ 
To Remove the Unit from the vehicles dashboardInsert each Removal Tool 
i
and pull.
i
Removal Tool
(U-shaped)
Note:
Do not lose Removal Tools. They
will be needed to remove the unit from the
vehicles dashboard.
CR_W402UOIeng_M  12/22/2005  12:31 PM  
						

							CR-W402U
19
CR-W402U
18Electrical Connections
Cautions:• This wiring information is for experienced technical individual, for safety reason, please your dealer wire this
connection.
• This product is designed to operate with a 12 V DC, negative ground battery system.
• To prevent damage to the unit, be sure to follow the connection diagram below.
• Do not insert the power connector into the unit until the wiring is completed.
• Be sure to insulate any exposed wires from a possible short-circuit from the vehicle chassis. Bundle all cables and
keep cable terminals free from touching any metal parts.
• Remember, if your vehicle has a drive computer or a navigation computer, the data of its memory maybe erased
when the battery terminals are disconnected.
Fuse (15 A) Refer fuse replacement
to your nearest authorized Panasonic
Servicenter. Do not try fuse replacement
by yourself.
Power Connector
ACC
BATTERY 15AGROUND
A
B
ISO Connector
A
A7 :Battery Lead To the car battery, continuous +12 V DC.A8 :Ground Lead To a clean, bare metallic part of the car chassis.A4 :Power Lead
 (ACC or IGN
) To ACC power, +12 V DC.
A
(Yellow)
(Black)
(Red)
+
B7
-B8
+
B1
-B2
+
B3
-B4
+
B5
-B6
B7 : Rear Left + (Green)B5 : Front Left + (White)B3 : Front Right + (Gray)B1 : Rear Right + (Violet)
B2 : Rear Right – (Violet w/black stripe)B4 : Front Right – (Gray w/black stripe)B6 : Front Left – (White w/black stripe)
+
-
ISO Connector
B
B8 : Rear Left – (Green w/black stripe)
B
❐
Wiring Diagram
CR_W402UOIeng_M  12/22/2005  12:31 PM