M5k 03 ORCA/VEHICLE KIT/SERVICE MANUAL/1 5 1

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09/01 IPN: M5000-00-102 Tait Orca Vehicle Kit F - 11

Tait Orca Vehicle Kit

The Tait Orca vehicle kit provides a secure

environment for a Tait Orca handportable

used in a vehicle. The vehicle kit allows the

radio to be connected to the vehicle’s external

antenna and also acts as a fast charger for the

radio’s NiCd battery.

Note that NiMH batteries are not charged by

the vehicle kit, and that the desktop fast charg-

er should still be used to short condition NiCd

batteries each week.

This section outlines the vehicle kit operation,

specifications and servicing. A detailed circuit

and interface description is also provided, to

allow customised modification of the vehicle

kit.

Product Codes

Table F-3 gives the product codes of available

vehicle kit options and accessories.

The vehicle kits in Group A include selected

mounting options and accessories. These

accessories and other installation options are

available separately as items in Group B.

Table F-3: Vehicle kit product codes

Installing a Vehicle Kit

Detailed installation instructions are provided

in the Tait Orca vehicle kit installation guide

(IPN 429-40000-xx). This guide is included

with each vehicle kit.

Vehicle Kit Operation

Inserting the Radio

Remove the accessory connector cover from

the radio.

Ensure the vehicle kit release button is down

and insert the radio into the radio cavity.

Push the radio firmly into place against the

locating pegs and radio interface. You should

hear the radio snap into place and the release

button will pop up.

Locking a Radio in the Vehicle Kit

You can use the supplied key to lock the radio

into the vehicle kit when you leave the vehicle

unattended.

To lock the radio in the vehicle kit, insert the

supplied key in the lock and turn it clockwise.

Product

code Description

TOPA-VK-002 Vehicle kit, no installation accessories

Group A

TOPA-VK-006 Vehicle kit with mobile microphone &

mounting hardware

TOPA-VK-007 Vehicle kit with mobile microphone,

speaker & mounting hardware

TOPA-VK-008 Vehicle kit with heavy duty mobile

microphone & mounting hardware

TOPA-VK-009 Vehicle kit with heavy duty mobile

microphone, speaker & mounting

hardware

TOPA-VK-011 Vehicle kit with heavy duty micro-

phone & speaker (no additional

mounting hardware)

TOPA -VK-010 Vehicle kit mounting adaptor

Group B

TOPA-VK-020 Vehicle kit single height U bracket

TOPA-VK-030 Vehicle kit double height U bracket

TOPA-VK-040 Vehicle kit triple height U bracket

TOPA-VK-050 Vehicle kit mounting plate

TOPA-VK-060 Vehicle kit charger disable kit

TOPA-VK-100 Vehicle kit mobile microphone

TOPA-VK-200 Vehicle kit external speaker

TOPA-VK-300 Vehicle kit visor microphone

TOPA-VK-400 Vehicle kit remote PTT

TOPA-VK-500 Vehicle kit heavy duty mobile mic.

Product

code Description

F - 12 Tait Orca Vehicle Kit 09/01 IPN: M5000-00-102

To unlock the radio from the vehicle kit, turn

the key counterclockwise.

Removing the Radio

To remove the radio from the vehicle kit, push

the release button down. The radio can now be

removed from the radio cavity.

Charging the Battery

Once the radio is inserted into the radio cavity,

the charger status LED will glow amber for

three seconds, then red. When the LED glows

green, the battery is charged to a minimum of

70% capacity.

If the battery is too hot or too cold, the LED

will glow amber until the battery temperature

is within the safe range for recharging (0ºC to

50ºC). If the indicator remains amber, consid-

er turning on your air conditioning. Optimum

battery charging performance is obtained

between 15ºC and 25ºC.

Charge times when the radio is turned off are:

■up to 1½ hours for the 1100 mAh NiCd

battery; and

■up to 2 hours for the 1500 mAh NiCd.

battery.

You can still use the radio while the battery is

being charged, but the charge times will vary,

depending on how much the radio is being used.

The vehicle charger functional indicators are

summarised in Table F-4.

Table F-4: Charger status LED indicators

Figure F-7: Vehicle kit assembly

Using the Radio while in the Vehicle Kit

While the radio is seated in the vehicle kit,

operation remains the same, except:

■the radio’s microphone will be inoperative

and an external microphone such as a

mobile microphone must be used; and

■the radio’s speaker will be inoperative

when an external speaker has been

installed. Volume can be adjusted from

the radio’s volume control.

The standard installation results in the charger

and external speaker being turned off when the

ignition is off.

If the vehicle kit determines that the vehicle’s

battery is too low (less than 11 V), the vehicle

kit will turn off.

Indicator Meaning

steady green battery charging

steady green battery charged to a minimum of 70%

capacity

steady amber charge suspended until battery tem-

perature is within correct range

flashing red battery not seated properly in the

charger, contacts dirty, battery faulty

or NiMH battery inserted

8

7

65

4

4

3

2

1

charger status LED

radio cavity

charger pins

locating pegs

locking

mechanism

radio interface

lock

release button

1

2

3

4

5

6

7

8

09/01 IPN: M5000-00-102 Tait Orca Vehicle Kit F - 13

WARNING:

WARNING:WARNING:

WARNING: The vehicle kit uses less than 30

mA from the vehicle’s battery when the

ignition is off. For this reason, if you are

leaving your vehicle unattended for an extend-

ed period of time (for example, more than one

month), the positive fuse should be removed.

Basic Care and Safety

■It is essential to short condition your

battery weekly using the desktop fast

charger.

■Wipe the radio contacts and accessory

interface with a dry, lint-free cloth to

remove any dirt, oil or grease.

■Do not allow the vehicle kit to come into

contact with detergents, alcohols, aerosol

sprays or petroleum-based products, as

they may permanently damage the case.

Vehicle Kit Specifications

The following table outlines the vehicle kit

specifications. Details of test methods can be

obtained from Tait Electronics Ltd.

Table F-5: General specifications

Supply voltage

range

protection

13.8 VDC (nominal)

11 to 16 V range

3 A fuses in power lead

Ambient temperature

range

-10 to +60°C

Battery charger tempera-

ture range

0 to +50°C

Weight 375 g

Size W x H x D 80 mm x 230 mm x 95 mm

(2 in x 5.8 in x 2.4 in)

Product supported • all Tait Orca handportables

(frequency bands up to

530 MHz supported)

• all Tait Orca belt clips

• all Tait Orca NiCd batteries

Note that NiMH batteries are not charged.

Technical compliance complies with FCC part 15,

CISPR 14 and CISPR 14-2

Fast charger charge cur-

rent

0.8 A

Charger control the charger uses voltage, tem-

perature and temperature

change to safely charge and

maintain battery capacity

F - 14 Tait Orca Vehicle Kit 09/01 IPN: M5000-00-102

Servicing the Vehicle Kit

The vehicle kit contains four PCBs, and the

following servicing instructions outline the

disassembly of the vehicle kit to allow replace-

ment of these PCBs.

Servicing Warnings: Screw Head Types

There are four different types of Torx screws

used in the vehicle kit: KC22x6, KC25x6,

KC30x8 and KC30x10. All these screws require

a Torx head screwdriver. When tightening any

screws, be careful not to strip the threads in the

plastic mouldings by exerting too much force.

The following table explains the torque

settings required for the different Torx screw

types.

Figure F-8: Vehicle kit torque specifications

Removing the Vehicle Kit Back Cover

The back cover is held to the front moulding by

two plastic clips at the base of the unit. Insert

the tip of a round screwdriver into the two

holes at the bottom of the rear panel. Lever the

tip upwards towards the top of the unit.

Hold the unit in such a way that your forefin-

ger and thumb exert a slight pressure to

separate the rear panel away from the front

moulding, while you lever the clips with the

screwdriver.

Replacing the Accessory Probe PCB

Remove the back cover and unplug the acces-

sory loom at the top of the options PCB.

Unscrew the two KC30x10 screws holding the

trigger assembly together. The trigger assem-

bly can now be lifted out.

Note that the trigger assembly must be pressed

downwards

downwardsdownwards

downwards while undoing these screws, as

there are springs underneath.

Unplug the loom from the accessory probe

PCB. Carefully use narrow nose pliers to

unplug the MCX connector from the accessory

probe PCB. Now remove the two KC22x6

screws on the front of the vehicle kit holding

the accessory probe PCB into the front mould-

ing. The accessory probe PCB can now be tilted

upwards and removed from the moulding.

Fit the seal onto the new accessory probe PCB

and reassemble the vehicle kit. Read the

assembly instructions for more information.

Replacing the Charger Probe PCB

Remove the back cover and unplug the acces-

sory loom at the top of the options PCB. Lift

the options/charger PCB assembly out of the

front moulding, until the charger loom is

accessible.

Unplug the charger loom and remove both

PCBs from the front moulding. Note that these

PCBs are still attached via the RF cable.

Unscrew the two KC30x8 screws holding the

charger probe moulding into the front mould-

ing, and slide out the probe moulding.

Unscrew the three KC25x6 screws holding the

probe PCB to the probe moulding. Fit the seal

onto the new charger probe PCB and reassem-

ble the vehicle kit.

Removing the Options or Charger PCBs

Remove the two DB25 fasteners holding the

back panel to the accessory/options connec-

tor. Remove the two KC30x10 screws holding

the back plate to the audio PA. Unclip the

backplate from the options PCB. The PCBs can

now be unplugged and replaced.

When putting the options/charger assembly

back into the front moulding, make sure that

the charger PCB is running in its tracks. Be

careful that you do not bump the LED at the

bottom of the charger PCB; the PCB does not

require any force to insert.

Screw Type IPN Quantity Torque

(in.lb)

KC22x6 346-10022-06 2 2

KC25x6 346-10025-06 3 2

KC30x8 346-10030-08 2 6

KC30x10 346-10030-10 4 6

09/01 IPN: M5000-00-102 Tait Orca Vehicle Kit F - 15

Reassembling the Vehicle Kit

To assemble the vehicle kit, reverse the disas-

sembly process.

Note that when doing up the KC30x10 screws

the threads in the plastic PA moulding must

not

notnot

not be stripped. It is important that the audio

PA is held firmly against the backplate, as the

backplate serves as a heatsink.

Trigger Reassembly

When reassembling the trigger assembly,

insert the peg moulding into the front panel.

Insert the quarter turn moulding and rotate it

until the peg moulding prevents it from

turning. Drop the two springs into the peg

moulding. While pressing in the trigger cap,

replace the trigger assembly.

While holding the trigger assembly cover togeth-

er (before doing up the screws) check that the

locking mechanism works correctly. To do this,

press in the locating pegs and check that the

trigger cap pops up. Press the trigger cap down

and check that the locating pegs pop out. If the

trigger assembly does not work correctly, check

that the quarter turn moulding is in the correct

position and repeat the assembly process.

Tighten the two KC30x10 trigger assembly

screws, while holding the trigger assembly in

place.

Rear Cover Reassembly

Locate the top of the rear cover into the back of

the trigger assembly. Press the bottom of the

rear cover to click/lock the cover into the front

moulding.

Spares Kits

The following table shows a list of spares kits

which are currently available for servicing Tait

Orca vehicle kits. These can be ordered from

you local Tait dealer.

Table F-6: Vehicle kit spares kits

The contents of these kits are shown in Tables

F-6 and F-7.

Note that the ‘IPN’ column is the ten digit

‘internal part number’ which uniquely identi-

fies any component used in a Tait product.

The numbers in the ‘Legend’ column refer to

Figure numbers in which the spares item is

shown. The numbers in brackets refer to the

numbered legend within the figure, where

appropriate.

Product code Description

TOPA-SP-301 Vehicle kit spares kit

TOPA-SP-302 Vehicle kit reskinning kit