After Sales Technical Documentation
COMPACT HANDSFREE
CAR KIT (CARK31)
INSTALLATION GUIDE
Original, 09/94
NMP Part No. 0275103
CARK31 Installation Guide
AMENDMENT RECORD SHEET
After Sales
Technical Documentation
Amendment
Number
Date Inserted By Comments
Original, 09/94Page 2
After Sales
Technical Documentation
CARK31 Installation Guide
COMPACT HANDSFREE CAR KIT INSTALLATION GUIDE
CONTENTS
Page No
Introduction 5
Unpacking 5
CARK31 Components Parts 6
Compact Handsfree Unit (PHF–2) / In–car Holder (MBH–9) 6
Mounting Plate (MKE–1) 6
Cable Clip (CKH–1) 7
Power Cable (LCP–2) 7
Handsfree Microphone (HFM–3) 7
Panel for PHF–2 Unit 7
Mount Adaptor MKE–4N 8
Mechanical Installation 8
Converting the Compact Handsfree Unit 8
Electrical Installation 9
Antenna 9
Testing 10
List of Figures
Figure 1: Assembly Schematic 6
Figure 2: Converting the Compact Handsfree Unit 8
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Technical Documentation
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CARK31 Installation Guide
Introduction
This installation guide has been prepared to provide the basic information
necessary to install the CARK31 car kit. The guide is not intended to be
definitive, because different types and models of vehicle will require
different installation work. The information given is for general guidance
only.
NOTE: Refer to the Warnings below before commencing the installation
procedure.
WARNINGS
1. CHECK THAT NORMAL CONTROL AND OPERATION OF THE VEHICLE IS
NOT IMPAIRED BY THE INSTALLATION; IN PARTICULAR CHECK THE
BRAKES AND STEERING THOROUGHLY.
2. ALTHOUGH ELECTRONIC SPEED CONTROL, ABS ANTI–LOCK BRAKE
AND FUEL INJECTION SYSTEMS ARE RELATIVELY IMMUNE TO
MALFUNCTION CAUSED BY NEARBY RADIO TRANSMISSIONS, SHOULD
YOU EXPERIENCE FALSE OPERATION OF THESE SYSTEMS OR ARE IN
ANY DOUBT WHATSOEVER AS TO THEIR FUNCTIONALITY, PLEASE
CONSULT THE VEHICLE DEALER.
3. THE CARK31 KIT IS SUITABLE FOR USE ONLY IN VEHICLES WITH A 12V
NEGATIVE EARTH SUPPLY. USE ON OTHER SUPPLY VOLTAGES OR
ALTERNATIVE POLARITY WILL DAMAGE THE EQUIPMENT.
Unpacking
Carefully unpack the equipment and ensure that the following items are
present.
Item Ref. Code Additional Items / Notes
In–car Holder MBH–9
Compact Handsfree Unit PHF–2
Panel 9450369 Cover for PHF–2 (supplied fitted)
Mounting Plate (2 off) MKE–1 12 fixing screws
Handsfree Microphone HFM–3 1 flat mounting plate
Power Cable LCP–2
Cable Clip CKH–1
Mount Adaptor MKE–4N 4 fixing screws & nuts – for
mounting MBH–9 to PHF–2.
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CARK31 Installation Guide
Figure 1: Assembly Schematic
After Sales
Technical Documentation
MKE–1
MBH–9
MOBILE ANTENNA
(supplied separately)
The CARK31 kit allows handsfree operation of the phone in a vehicle and
permits the phone battery to be fast charged. The kit, which requires an
additional external antenna, derives its power from the cigarette–lighter
socket.
PHF–2
MKE–1
Panel
HFM–3
LCP–2
MOBILE ANTENNA
(supplied separately)
Option 1 Option 2
PHF–2
MBH–9
MKE–1
HFM–3
LCP–2
CARK31 Component Parts
Compact Handsfree Unit (PHF–2) / In–car Holder (MBH–9)
This combination enables the phone to operate in handsfree mode. The
coil cord from the PHF–2 unit plugs into the bottom of the phone, and the
phone is then placed into the MBH–9 holder. The holder may be mounted
either nearby the PHF–2 unit (option 1) or directly on the PHF–2 unit
(option 2), as shown in Figure 1.
When the phone is located in the MBH–9 holder, it will operate
automatically in handsfree mode. On removing the phone from the
holder, the phone reverts to normal handset operation.
Mounting Plate (MKE–1)
The mounting plate (MKE–1) can be used to fix the MBH–9 holder to the
vehicle interior (option 1) and also the PHF–2 unit to the vehicle interior
(options 1 and 2). A Swivel Mount (Type HHS–1, Product Code
0650008), supplied separately, may also be used in place of the MKE–1 in
this application.
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Technical Documentation
Cable Clip (CKH–1)
The cable clip (CKH–1) enables the coil cord from PHF–2 to be secured
when it is not connected to the phone. The cable clip should be mounted
close to the MBH–9 holder using the self adhesive strip supplied.
Power Cable (LCP–2)
The PHF–2 unit derives its power from the vehicle’s cigarette–lighter
socket. The socket should have a positive centre contact and a negative
barrel contact. The PHF–2 unit draws current under the following
circumstances:
when the phone is connected and switched on
when the phone is connected and it’s battery is being charged
(irrespective of whether the phone is switched on or not)
CARK31 Installation Guide
No current is drawn by the PHF–2 unit under the following circumstances:
when the phone is disconnected from the PHF–2 unit
when the phone is connected and switched off (assuming the phone’s
battery has reached full charge)
NOTE: On some vehicles, power to the cigarette lighter socket is
removed when the engine is switched off. To enable the PHF–2
unit to operate, when the engine is switched off, ensure the
ignition switch is turned to the appropriate ’ON’ position.
Handsfree Microphone (HFM–3)
The handsfree microphone can usually be installed on the driver’s
sunvisor or the vehicle’s A–pillar. The main aim is to get the microphone
as close to the driver’s mouth as possible, and to attach the microphone
to a surface that is mechanically quiet. The microphone should be
mounted at least 3ft (1m) away from the PHF–2 unit to avoid acoustic
feedback. The microphone connects to the microphone jack located
underneath the PHF–2 unit.
Panel for PHF–2 Unit
The PHF–2 unit is supplied already fitted with the panel in place as shown
in Figure 1 (option 1). The panel remains in place if the MBH–9 holder is
mounted away from the PHF–2 unit (option 1). However, if the MBH–9
holder is mounted on the PHF–2 unit (option 2) the panel has to be
removed – refer to the section Converting the Compact Handsfree Unit.
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Technical Documentation
After Sales
Mount Adaptor (MKE–4N)
The MKE–4N mount adaptor is used to mount the MBH–9 holder onto the
PHF–2 unit. The adaptor comes complete with four fixing screws / nuts.
Mechanical Installation
When choosing a location for the PHF–2 unit / MBH–9 holder, ease of use
and visibility of the phone’s display should be the prime considerations.
CAUTION
ENSURE THAT THE PHF–2 COMPACT HANDSFREE UNIT / MBH–9 IN–CAR
HOLDER IS SECURELY ATTACHED TO A RIGID SURFACE.
Converting the Compact Handsfree Unit
To convert the PHF–2 unit to accept the MBH–9 holder (see Figure 1 –
option 2), proceed as follows:
1) Remove the four outer cross–headed screws, securing the
panel cover, from the rear of the PHF–2 unit (Fig 2 – picture 1).
2) Remove the panel cover (Fig 2 – picture 2).
3) Place the MKE–4N adaptor (smooth side facing up) on a flat
surface. Locate the four nuts from the MKE–4N kit and insert
them into the four hexagonal slots. Keeping the adaptor face
up, position the adaptor between the two sets of lugs at the rear
of the MBH–9 holder and push firmly until the adaptor clicks fully
home (Fig 2 – picture 3).
4) Mount the MBH–9 holder in the slot on the front of the PHF–2
unit. Insert the four screws (from the MKE–4N kit) through the
rear of the PHF–2 unit and tighten (Fig 2 – pictures 4 and 5).
Figure 2: Converting the Compact Handsfree Unit
1. 2.
3. 4. 5.
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Technical Documentation
Electrical Installation
CARK31 Installation Guide
WARNINGS
THIS EQUIPMENT IS NOT
POSITIVE GROUND SYSTEM. OVERVOLTAGE OR WRONG POLARITY MAY
CAUSE SERIOUS DAMAGE TO THE EQUIPMENT. THE MAXIMUM SUPPLY
VOLTAGE RELATIVE TO GROUND IS 15.6 VOLTS.
THE PHONE SHOULD NOT BE LEFT SWITCHED ON FOR EXTENDED PERIODS
(MORE THAN 1 WEEK) WITHOUT RUNNING THE VEHICLE’S ENGINE.
FAILURE TO DO THIS COULD DRAIN THE VEHICLE’S BATTERY.
The cable connections for the kit are shown in the assembly schematics
(Figure 1).
SUITABLE FOR USE ON A VEHICLE WITH A
Antenna
NOTE: The CARK31 kit is designed to operate with a high quality
external antenna. However, due to the many different types of
antenna available, an antenna is NOT included as part of the
kit. It is the responsibility of the dealer to advise on the most
suitable type for a given installation.
The ideal location for the antenna is in the centre of the roof or boot lid.
This position provides the best transmission and reception radiation
pattern. Before drilling a hole, make sure that there is an acceptable route
for the cable to the Compact Handsfree Unit. After drilling the hole for the
antenna, remember to clean the area to ensure a proper and reliable
connection between the antenna and ground. After cleaning the area,
apply some rust–proofing compound to prevent future oxidisation. If the
boot lid acts as an antenna for the vehicle radio, do not mount the
telephone antenna on the boot lid.
To avoid drilling a hole in the vehicle’s bodywork, a glass–mounted
antenna can be chosen and located on the rear window of the vehicle.
NOTES: The connection between the Compact Handsfree Unit and the
antenna must be via a non–radiating cable (eg. coax). Try to
ensure the cable run is kept as short as possible to maximise
antenna performance.
The antenna shall be mounted in a position such that no part of
the human body will normally rest within 8” (20cm) of any part of
the antenna for more than a few minutes while the equipment is
switched on, unless there is an intervening metallic screen (eg.
a metallic roof) at least 3.25 sq ft (0.3 sq m) in area.
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CARK31 Installation Guide
Testing
Once installed, the equipment should be tested to ensure that it is
operating satisfactorily and that the position of the units does not impair on
the driver’s ability to control and operate the vehicle in any way.
Use the phone to make a call when the vehicle is parked with the engine
running. During the call, switch off the engine (refer to the note under the
Power Cable heading). Ensure that the phone is operational with the
engine on and off. For operating information refer to the User Guide
supplied with the phone.
After Sales
Technical Documentation
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