Changes to this manual
In the interests of improving the performance, reliability or servicing of the
equipment, Tait Electronics Ltd reserves the right to update both the equipment or this user’s manual, without prior notice.
Website: For contact details and technical assistance, go to
http://www.taitworld.com/, and
http://support.taitworld.com/.
Mise à jour de ce guide
Dans le but d’améliorer la performance, la fiabilité et l’entretien, Tait
Electronics Ltd se réserve le droit de mettre à jour son équipement et/ou ce
guide de l’utilisateur sans notification préalable.
Site Web : pour nos coordonnées ou une assistance technique,
consultez http://www.taitworld.com/, et
http://support.taitworld.com/.
Actualización de esta guía
Con el fin de mejorar el rendimiento, la confiabilidad o el servicio del
equipamiento, Tait Electronics Ltd se reserva el derecho de actualizar tanto
el equipo como esta guía del usuario sin previo aviso.
Sitio en internet: Para obtener asistencia técnica y los datos acerca
de cómo comunicarse con nosotros, diríjase a
http://www.taitworld.com/, y
http://support.taitworld.com/.
更新本指南
更新本指南
更新本指南更新本指南
为改善设备的性能、可靠性或维护，Tait 电子有限公司保留在
不事先通知的情况下更新本设备或用户指南的权利。
网址：
网址：有关联系详情和技术支持，请浏览
网址：网址：
http://www.taitworld.com/，及
http://support.taitworld.com/。
English
FrançaisEspañol
文
文
文
文
中
中
中
中
MMA-00002-01 Issue 1 1
Directive 1999/5/EC Declaration of Conformity
da Dansk
Undertegnede Tait Electronics Ltd erklærer
herved, at følgende udstyr TMAB1A &
TMAH5A overholder de væsentlige krav og
øvrige relevante krav i direktiv 1999/5/EF.
Se endvidere: http://eudocs.taitworld.com/
de Deutsch
Hiermit erklärt Tait Electronics Ltd die
Übereinstimmung des Gerätes TMAB1A &
TMAH5A mit den grundlegenden
Anforderungen und den anderen relevanten Festlegungen der Richtlinie 1999/5/EG.
Siehe auch: http://eudocs.taitworld.com/
el Ελληνικός
Με την παρουσα Tait Electronics Ltd
δηλωνει οτι TMAB1A & TMAH5A
συµµορφωνεται προσ τισ ουσιωδεισ
απαιτησεισ και τισ λοιπεσ σχετικεσ
διαταξεισ τησ οδηγιασ 1999/5/ΕΚ.
βλέπε και: http://eudocs.taitworld.com/
en English
Tait Electronics Ltd declares that this
TMAB1A & TMAH5A complies with the
essential requirements and other relevant
provisions of Directive 1999/5/EC.
See also: http://eudocs.taitworld.com/
es Español
Por medio de la presente Tait Electronics
Ltd declara que el TMAB1A & TMAH5A
cumple con los requisitos esenciales y
cualesquiera otras disposiciones aplicables
o exigibles de la Directiva 1999/5/CE.
Vea también: http://eudocs.taitworld.com/
fi Suomi
Tait Electronics Ltd vakuuttaa täten että
TMAB1A & TMAH5A tyyppinen laite on
direktiivin 1999/5/EY oleellisten vaatimusten ja sitä koskevien direktiivin muiden
ehtojen mukainen.
Katso: http://eudocs.taitworld.com/
fr Français
Par la présente, Tait Electronics Ltd déclare
que l'appareil TMAB1A & TMAH5A est
conforme aux exigences essentielles et aux
autres dispositions pertinentes de la directive 1999/5/CE.
Voir aussi: http://eudocs.taitworld.com/
it Italiano
Con la presente Tait Electronics Ltd dichiara
che questo TMAB1A & TMAH5A è
conforme ai requisiti essenziali ed alle altre
disposizioni pertinenti stabilite dalla direttiva 1999/5/CE.
Vedi anche: http://eudocs.taitworld.com/
nl Nederlands
Hierbij verklaart Tait Electronics Ltd dat het
toestel TMAB1A & TMAH5A in overeenstemming is met de essentiële eisen en de
andere relevante bepalingen van richtlijn
1999/5/ EG.
Zie ook: http://eudocs.taitworld.com/
pt Português
Tait Electronics Ltd declara que este
TMAB1A & TMAH5A está conforme com
os requisitos essenciais e outras provisões
da Directiva 1999/5/CE.
Veja também: http://eudocs.taitworld.com/
sv Svensk
Härmed intygar Tait Electronics Ltd att
denna TMAB1A & TMAH5A står I överensstämmelse med de väsentliga egenskapskrav och övriga relevanta bestämmelser som
framgår av direktiv 1999/5/EG.
Se även: http://eudocs.taitworld.com/
2 Directive 1999/5/EC Declaration of Conformity
TM8100 User’s Guide
English
© Tait Electronics Ltd September 2004. All rights reserved.
English
About this guide
This user’s guide provides information about TM8105,
TM8110 and TM8115 mobile radios and is divided
into two parts.
■ Part 1 explains how the TM8110 and TM8115 radios oper-
ate. The TM8105 radio has a control head without a user
interface, so no TM8105 operating information is needed.
■ Part 2 outlines the installation procedure for TM8105,
TM8110 and TM8115 radios, and gives the pin allocations for the TM8105 programming connector.
Important safety information
This user’s guide also contains important safety information
about using and installing these radios. Refer to page 10 for
user safety instructions and page 24 for installation
safety instructions.
Safety warnings used in this guide
Within this guide, the following conventions are used to alert
you to important safely information:
Warning: There is a potential risk of death or serious injury.
Caution: There is the risk of minor or moderate injury
to people.
Caution: There is a risk of equipment damage
or malfunction.
Feedback about this guide
If you have any enquiries regarding this guide, or any
comments, suggestions and notifications of errors, please
contact Technical Support at support@taitworld.com.
English
About this guide 5
Copyright information
All information contained in this guide is the property of Tait
English
Electronics Ltd. All rights are reserved. These guides may not,
in whole or in part, be copied, photocopied, reproduced,
translated, stored, or reduced to any electronic medium or
machine-readable form, without prior written permission
from Tait Electronics Ltd. All trade names referenced are the
service mark, trademark, or registered trademark of the
respective manufacturers.
Disclaimer
There are no warranties extended or granted by this guide.
Tait Electronics Ltd accepts no responsibility for damage arising from use of the information contained in the guide or of
the equipment and software it describes. It is the responsibility of the user to ensure that use of such information, equipment and software complies with the laws, rules and
regulations of the applicable jurisdictions.
6 About this guide
Your radio’s settings
Use the following table to list your radio’s programmed settings.
Function key settings
Channel list
ID Description ID Description
radio status LEDs
speakergreen
function keys
3 and 4
amber
red
display
press-to-talk
(PTT) key
microphone
on/off key
volume
control
microphone
channel
selection keys
function keys
socket
1 and 2
Part 1: Radio operation
About this guide .......................................................................... 5
Important safety information ....................................................................... 5
Safety warnings used in this guide .............................................................. 5
Feedback about this guide .......................................................................... 5
Copyright information ................................................................................. 6
Disclaimer .................................................................................................. 6
Safety warnings ......................................................................... 10
Safe operation .......................................................................................... 10
EN 60950 requirements ............................................................................ 10
High temperatures .................................................................................... 10
Warning: FCC RF exposure limits .............................................................. 10
Radio protection ....................................................................................... 11
Getting started ........................................................................... 12
Radio controls .......................................................................................... 12
Radio indicators ........................................................................................ 14
Basic operation ........................................................................... 16
Turning the radio on and off ..................................................................... 16
Adjusting the volume ................................................................................ 16
Selecting a channel ................................................................................... 16
Making a call ........................................................................................... 16
Receiving a call ......................................................................................... 17
What you hear on a channel ..................................................................... 17
Monitor .................................................................................................... 18
Scanning .................................................................................................. 18
Voting ...................................................................................................... 19
Troubleshooting ......................................................................... 20
When your radio won’t turn on ................................................................. 20
Removing the radio from the vehicle ......................................................... 20
Describing the radio’s audible tones .......................................................... 21
English
Radio operation 9
Safety warnings
Safe operation
English
EN 60950 requirements (25 watt radios)
High temperatures
Warning: Switch the radio off at petrol filling stations or
near flammable liquids or gases.
Warning: Switch the radio off in the vicinity of explosive
devices and blasting zones.
Warning: Using a handheld microphone or a radio while
driving a vehicle may violate the laws and legislation that apply in your country or state. Please
check the vehicle regulations in your area.
This radio complies with the European Union standard
EN 60950 when operated up to the rated 33% duty cycle of
two minutes transmit and four minutes receive, and with
ambient temperatures of 30°C or lower.
Caution: Operation outside these limits may cause the
external temperature of the radio to rise higher
than this standard permits.
Caution: The bottom surface of the radio and the heatsink
fins can become hot during prolonged operation.
Do not touch these parts of the radio.
Warning: FCC RF exposure limits
This product generates RF (radio frequency) energy during
transmissions. This device must be restricted to work-related
use in an occupational/controlled exposure environment.
The radio operator must have control of the exposure conditions and duration of all persons exposed to the antenna of
this transmitter to satisfy FCC RF exposure compliance. This
device is not approved for general population use.
10 Safety warnings
■ This device must only be used with authorized accessories
and antennas.
■ The operator must ensure that the minimum safe distance
of 0.9m (35 inches) between persons and the antenna is
maintained during transmissions.
■ This minimum safe distance is based on the assumption
that there is a duty cycle of 50% transmit mode to standby or receive modes. The radio is in transmit mode when
the PTT (press-to-talk) key on the microphone is pressed
and the control head red LED (light emitting
diode) glows.
Please refer to the following website for more information on
what RF energy is and how to control your exposure to
assure compliance with established RF exposure limits.
Radio protection
Always remove the fuses from the radio power cable before
charging the vehicle battery, connecting a second battery or
using power from another vehicle (e.g. when
“jump-starting” the vehicle).
English
Website: http://www.fcc.gov/oet/rfsafety/rf-faqs.html.
Safety warnings 11
English
Radio controls
Getting started
This section provides a brief description of your radio’s
basic operation. If you need further information, contact
your radio provider.
The radio controls are the PTT key, volume control, on/off
key, channel selection keys and function keys. Some keys may
have functions assigned to both short and long key presses:
■ a short key press is defined as less than one second, and
■ a long key press is more than one second.
The radio controls and their functions are summarized in the
following diagram.
12 Getting started
press-to-talk
(PTT) key
English
microphone
on/off key
volume
control
microphone
socket
function keys
1 and 2
channel
selection keys
radio status LEDs
display
Symbol Name Function
PTT press and hold to transmit and
release to listen
volume control rotate to change the
speaker volume
on/off a long press turns the radio on
or off
channel selection
keys
function keys
1, 2, 3 and 4
move up and down through the
channel list
function keys with
programmed options
red
amber
speakergreen
function keys
3 and 4
Getting started 13
Radio indicators
English
The LED indicators and the radio’s audible tones all combine
to give you information about the state of your radio.
Although the way these indicators behave is affected by the
way your radio is programmed, the following sections
describe the most common operation of the radio indicators.
LED Indicators
LED Meaning
red
(transmit)
green
receive and
(
monitor
glowing: your radio is transmitting
flashing: your transmit timer is about to expire
glowing: there is activity on the current channel, even
though you may not be able to hear it
)
flashing: you have received a call with valid special
signalling, or you have activated monitor or squelch
override
amber
(scanning)
glowing: your radio is scanning a group of channels for activity
flashing: your radio has detected activity on a
channel, and has halted on this channel
function
key LEDs
the operation of these LEDs depends on the type of
function programmed for each function key
Audible tones
For a description of other audible tones, see “Describing the
radio’s audible tones” on page 21.
Tone type Meaning
one short beep
after the powerup beeps
two short beeps
radio locked: you need to enter your PIN
(personal identity number) before you can
use the radio
radio turned on: the radio is powered on and
ready to use
14 Getting started
Tone type Meaning
one short beep
radio turned off: the radio is being
powered off, or
valid keypress: the action you have
attempted is permitted, or
function activated: a function key has been
pressed and that function has been initiated
one short, lowpitched beep
function de-activated: a function key has
been pressed and the corresponding function has been turned off
one long, lowpitched beep
invalid keypress: the action you have
attempted is not permitted, or
transmission inhibited: you have attempted
to transmit but for some reason transmission
is not permitted at this time
three short
beeps
channel now free: you were prevented from
transmitting on a busy channel and that
channel is now free
three beeps
transmit timeout imminent: in 10 seconds
your transmit timer will expire and your
current transmission will be terminated
English
Getting started 15
English
This section describes the basic operation of your radio,
including turning the radio on and off, adjusting volume,
selecting channels, making calls and receiving calls.
Turning the radio on and off
A long press of the on/off key turns the radio either on or
off. When the radio is first turned on, the red, green and
amber LEDs flash briefly and the radio gives two short beeps.
Adjusting the volume
Rotate the volume control clockwise to increase the speaker
volume and counterclockwise to decrease the volume. The
volume control also changes the volume level of the radio’s
audible indicators.
Selecting a channel
Use the channel selection keys or to scroll through
the channel list until the channel you want is displayed.
Making a call
1 Select the required channel using the channel selection
keys or .
2 Check the green LED.
If the green LED is glowing, the channel is busy and you
cannot transmit.
3 Once the channel is clear (the green LED is off), lift the
microphone off the microphone clip.
4 Hold the microphone about 5cm (2 inches) from your
mouth and press the PTT key to transmit.
5 Speak clearly into the microphone and release the PTT
key when you have finished talking.
Note: You cannot change channels while transmitting.
Basic operation
16 Basic operation
Transmit timer
Your radio may have a transmit timer that limits the amount
of time you can transmit continuously. When the transmit
timer is about to expire, the red LED flashes and the radio
gives three beeps. You must release the PTT before you can
transmit again.
Note: Your radio may be unable to transmit for a short time
after the transmit timer has expired.
Receiving a call
When there is valid activity on your radio’s currently selected
channel or group, the radio then unmutes and you can
hear the call.
If the incoming call contains special signalling that matches
the signalling programmed for your radio, the green LED
flashes and your radio may give a ringing tone.
What you hear on a channel
Your radio may be programmed so that you hear all conversations on a channel, or your user group may be segregated from
other user groups by using special signalling. The special
signalling is used to control the muting and unmuting of your
radio, so that your radio is muted when other user groups are
talking and unmuted for members of your user group.
There are two muting controls that operate in your radio:
■ signalling mute, and
■ squelch.
English
Signalling mute
The radio’s signalling mute only allows the radio to unmute if
the incoming call carries the tones specific to your user
group. Your user group may use tones that are either audible,
subaudible or both.
Basic operation 17
English
Monitor
Scanning
18 Basic operation
Squelch
The radio’s squelch allows the radio to unmute only when the
strength of the incoming signal is above a predetermined
threshold. This means that only signals of reasonable intelligibility are made audible.
The monitor function is used to check that the channel is
clear before you make a call. While monitor is on, the green
LED flashes continually.
Activating monitor
1 Press the monitor function key and monitor overrides the
signalling mute, allowing you to hear any traffic on
the channel.
Note: Your radio may be programmed to activate monitor
whenever the microphone is off the microphone clip.
2 Press the monitor function key again to turn monitor off,
and the green LED no longer flashes.
Activating squelch override
1 Press and hold the monitor function key for longer than
one second to override both squelch and the
signalling mute.
This allows you to hear even faint and noisy signals.
2 Press the monitor function key again to return the radio
to a quiet state.
Note: Squelch cannot be overridden when the radio
is scanning.
The scan function is used to monitor a programmed group of
channels, looking for activity. When activity is detected on a
scan group channel, the radio stops on that channel. The
amber LED flashes and, if the channel signalling is valid, the
Voting
radio unmutes and you can hear the call. Scanning resumes
when the channel is no longer busy or the signalling is no
longer valid.
One or two priority scan channels may be set. These channels
are scanned more often than other channels and are scanned
periodically when a non-priority channel is busy.
Activating scanning
1 Place the microphone on the microphone clip.
2 Press the function key assigned to scanning. The amber
LED glows to show that the radio is scanning.
3 Press the scanning function key again to cancel scanning,
and the amber LED no longer glows.
Nuisance delete
If a member channel of the scan group is busy for a long time
and you do not wish to hear the conversation, you can use
the function key assigned to nuisance delete to temporarily
delete it from the scan group.
Alternatively, press and hold the scanning function key.
When the scan group is next selected, the deleted channel is
again part of the scan group.
Note: Priority channels cannot be removed from the scan
group using the nuisance delete function.
A group of channels carrying the same traffic can be grouped
together in a voting group. When you press the function key
assigned to voting, the best communication channel is
always selected for you to use.
English
Nuisance delete
If you wish to delete one of the channels from the voting
group, you can use the function key assigned to nuisance
delete to temporarily delete it from the voting group.
Basic operation 19
Troubleshooting
When your radio won’t turn on
English
Removing the radio from the vehicle
If the red, green and amber LEDs on the control head do not
light up when the radio is turned on, it is likely that no power
is reaching the radio. Check the following:
■ Is the power connector firmly plugged into the rear of
the radio?
■ Are the in-line fuses in good condition?
■ Is the power cable securely connected to the vehicle bat-
tery or power supply?
If all appears to be in order, then contact your radio provider
for further assistance.
a
c
d
a
1 Switch off the radio.
2 Unscrew the four thumb screws that secure the radio
3 Lift the radio clear of the U-bracket.
4 Disconnect the antenna and power cable from
20 Troubleshooting
to the U-bracket .
b
the rear of the radio.
b
a
c
d
Describing the radio’s audible tones
The following table summarizes the radio’s audible tones.
Tone type Meaning
two short beeps radio turned on: the radio is powered on
and ready to use
one short beep
after the powerup beeps
one long, lowpitched beep
radio locked: you need to enter your PIN
(personal identity number) before you can
use the radio
radio PIN entry unsuccessful: you need to
re-enter your PIN
two short beeps radio PIN entry successful: the radio is ready
to use, or
radio is revived: the radio has made opera-
ble by your service provider
one short beep radio turned off: the radio is being
powered off, or
valid keypress: the action you have
attempted is permitted, or
function activated: a function key has been
pressed and that function has been initiated
one short, lowpitched beep
function de-activated: a function key has
been pressed and the corresponding function has been turned off
one long, lowpitched beep
invalid keypress: the action you have
attempted is not permitted, or
transmission inhibited: you have attempted
to transmit but for some reason transmission is not permitted at this time
three short beeps channel now free: you were prevented from
transmitting on a busy channel and that
channel is now free
three beeps transmit timeout imminent: in 10 seconds
your transmit timer will expire and your
current transmission will be terminated
English
Troubleshooting 21
English
Tone type Meaning
one short, highpitched beep
two low-pitched
beeps
radio is stunned: the radio has been made
inoperable by your service provider
radio's temperature is high: the radio's
temperature is in the high-temperature
range, but the radio will continue
to operate
two high-pitched
beeps
radio's temperature is very high: the radio's
temperature is in the very high temperature
range and all transmissions will now be at
low power; if the radio's temperature rises
outside this range, transmissions will
be inhibited
continuous lowpitched tone
two long lowhigh pitched tone
pairs
radio system error: a system error has
occurred and the radio may be inoperable
(
E, E1
or E2 appears in the display)
synthesizer is out-of-lock: the radio's
synthesizer is out-of-lock on the current
channel and you cannot operate on that
channel (
L
or OL flashes in the display)
22 Troubleshooting
Part 2: Radio installation procedures
Installation warnings ................................................................. 24
Safe radio mounting ...........................................................................24
Interference with vehicular electronics ................................................. 24
Preparation when drilling holes ........................................................... 25
Vehicles powered by liquefied petroleum gas (LPG) ............................. 25
Radio installation in gas or fuel tankers ............................................... 25
Non-standard radio installations .........................................................25
Negative ground supply ...................................................................... 26
Installation planning .................................................................. 27
MPT 1362 code of practice ................................................................. 27
Checking equipment ........................................................................... 27
Installation tools ................................................................................. 28
Selecting the mounting position .......................................................... 28
Radio installation ....................................................................... 29
Installing and removing the control head ............................................. 29
Installing the microphone ................................................................... 31
Installing the antenna ......................................................................... 32
Installing the power cable ................................................................... 32
Mounting the U-bracket ..................................................................... 34
Installing the radio in the U-bracket ....................................................35
TM8105 programming connector ........................................................ 36
Checking the installation .................................................................... 37
Other installation options .................................................................... 37
Tait general software licence agreement ................................. 38
English
Radio installation procedures 23
Installation warnings
English
Safe radio mounting
Interference with vehicular electronics
The following topics are covered in this section:
■ safe radio mounting
■ interference with vehicular electronics
■ preparation when drilling holes
■ vehicles powered by liquefied petroleum gas (LPG)
■ radio installation in gas or fuel tankers
■ non-standard radio installations
■ negative ground supply.
Caution: Observe the following precautions when mounting
the radio.
■ Mount the radio securely so that it will not break loose in
the event of a collision. An unsecured radio is dangerous
to the vehicle occupants.
■ Mount the radio where it will not interfere with the
deployment of passenger air bags.
■ Do not mount the radio vertically, with the control head
facing down. This will violate compliance with the European Union standard EN 60950, Safety of Information
Technology Equipment.
Caution: Some vehicular electronic devices may be prone to
malfunction, due to the lack of protection from RF
energy present when your radio is transmitting.
Examples of vehicular electronic devices that may be affected
by RF energy are:
■ electronic fuel injection systems
■ electronic anti-skid braking systems
■ electronic cruise control systems.
24 Installation warnings
If the vehicle contains such equipment, consult the vehicle
manufacturer or dealer in order to determine whether these
electronic circuits will perform normally when the radio
is transmitting.
Preparation when drilling holes
Caution: When drilling holes in the vehicle, check that drill-
ing at the selected points will not damage existing
wiring, petrol tanks, fuel lines, brake pipes or
battery cables.
Vehicles powered by liquefied petroleum gas (LPG)
Caution: Radio installation in vehicles powered by LPG with
the LPG container in a sealed-off space within the
interior of the vehicle must conform to the National
Fire Protection Association Standard NFPA 58. This
standard states that the radio equipment installation must meet the following requirements.
■ The space containing the radio equipment shall be iso-
lated by a seal from the space containing the LPG container and its fitting.
■ Outside filling connections shall be used for the LPG con-
tainer and its fittings.
■ The LPG container space shall be vented to the outside of
the vehicle.
Radio installation in gas or fuel tankers
Special conditions must be observed when installing a radio
in gas and fuel tankers. Consult your radio provider or
Tait-accredited service centre for more details.
Non-standard radio installations
The installation U-bracket described in this guide has been
designed so that there is enough airflow around the radio to
provide cooling.
English
Installation warnings 25
If a non-standard installation method is used, care must be
taken that sufficient heat can be dissipated from the radio
English
heatsink fins and the bottom surface of the radio chassis.
For this to be achieved, there must be a gap of more than
10mm (3/8 inch) between the bottom surface of the radio
chassis and the mounting surface.
Negative ground supply
TM8100 radios are designed to operate only in a negative
ground system.
10mm (3/8 inch)
mounting surface
26 Installation warnings
Installation planning
The procedures outlined in this and the following sections
are for installing a TM8100 radio in a vehicle, using a
standard U-bracket.
The following topics are covered in this section:
■ MPT 1362 code of practice
■ checking equipment
■ installation tools
■ selecting the mounting position.
MPT 1362 code of practice
TM8100 radios should be installed in accordance with the
MPT 1362 Code of Practice. This code of practice covers the
installation of mobile radio equipment in land based vehicles
and has been developed by the United Kingdom Office of
Communication (Ofcom).
Website: For the full text of the MPT 1362 Code of
Practice, go to the Ofcom website,
http://www.ofcom.org.uk/codes_guidelines/radio_co
mms/radio_equip_stnds/.
Checking equipment
Unpack the radio and check that you have the following items:
■ radio control head with connecting loom
■ radio body
■ microphone with microphone clip and screws
■ U-bracket installation kit, consisting of:
—U-bracket
—thumbscrews
— self-drilling screws and washers
— power cable with DC connector
— 10A fuses (25 W radios)
— 20A fuses (40W/50 W radios)
English
Installation planning 27
— fuse holders
— receptacles for a remote speaker (speaker not included)
English
— BNC or mini-UHF antenna plug.
Installation tools
The following installation tools may be required:
■ portable drill and drill bit
■ Pozidriv screwdriver
■ 8mm (5/16 inch) socket (or Pozidriv screwdriver)
■ BNC or mini-UHF crimp tool
■ fuse crimp tool
■ in-line RF power meter capable of measuring forward and
reflected power at the operating frequency of the radio.
Microphone clip installation tools
The following installation tools may be required for installing
the microphone:
■ centre punch
■ drill bit
■ Pozidriv screwdriver
■ hammer.
Selecting the mounting position
Inspect the vehicle and determine the safest and most
convenient location for mounting the radio.
The installation must meet the following requirements:
■ sufficient clearance behind the radio for the heatsink
and cables
■ a large enough flat surface so that the mounting bracket
will not be distorted
■ no danger of the radio interfering with air
bag deployment.
28 Installation planning
Radio installation
The following topics are covered in this section:
■ installing and removing the control head
■ installing the microphone
■ installing the antenna
■ installing the power cable
■ mounting the U-bracket
■ installing the radio in the U-bracket
■ TM8105 programming connector
■ checking the installation
■ other installation options.
Installing and removing the control head
Caution: The control head contains devices which can be
damaged by static discharges. Always install or
remove the control head in a staticsafe environment.
Website: For information on antistatic precautions,
go to the Electrostatic Discharge Association (ESD)
website, http://www.esda.org.
Installing the control head on the radio body
Note: The way in which the U-bracket is mounted deter-
mines which way up the control head is mounted on
the radio body.
The numbers in the diagram on the following page refer to
the numbered steps below.
1 Plug the control head loom onto the control
head connector.
2 Insert the bottom edge of the control head onto the
two clips in the front of the radio chassis, then snap
into place.
English
Radio installation 29
English
l
2
1
2
Removing the control head
Caution: During this procedure, take care that the control-
head seal is not damaged. Damage to this seal
reduces environmental protection.
1 On the underside of the radio, insert a 5mm (3/16 inch)
flat-bladed screwdriver between the control head and the
2
control-head seal, in either position or .
2
Insertion points and are lever points and are indi-
1
1
cated on the radio chassis by a dot-dash-dot
pattern (•
–
•).
ever point
control-head seal
indication of
lever point
1
2 Use the screwdriver to lift the control head off the chassis
30 Radio installation
2
clip, then repeat in the other position.
The control head can now be removed from the radio body.
Installing the microphone
A microphone and microphone clip are only used for radios
with a user interface.
Connecting the microphone
Caution: The microphone grommet must be installed when-
ever the microphone is plugged into the microphone socket. When installed, the grommet has
two functions:
■ to prevent damage to the microphone socket when there
is movement of the microphone cord, and
■ to ensure that the control head is sealed against water,
dust and other environmental hazards.
To install the microphone:
1 Plug the microphone into the microphone socket.
2 Slide the microphone grommet along the microphone
cord and push two adjacent corners of the grommet into
the microphone socket cavity.
3 Squeeze the grommet and push the remaining corners
into position.
4 Check that the grommet is seated correctly in the cavity.
Installing the microphone clip
Caution: Only install the microphone clip provided. If a non-
standard microphone clip is used, the correct operation of the microphone hookswitch cannot
be guaranteed.
Install the microphone clip in the most convenient location
for the radio user. It must be installed:
■ within easy reach of the user, and
■ in such a position that the microphone PTT key cannot be
inadvertently activated or jammed on.
microphone
grommet
control head
English
Radio installation 31
Installing the antenna
Install the external antenna according to the supplier’s
English
instructions. Good quality 50 ohm coaxial cable must be
used, such as RG58 or UR76.
Caution: The cable should be routed in a manner that mini-
Caution: Avoid sharp bends in the cable. These distort the
Warning: RF exposure hazard
To comply with FCC RF exposure limits:
1 Mount the antenna at a location such that no person or
persons can come closer than 0.9m (35 inches) to
the antenna.
2 For 25W radios, the radio must be installed using an
externally mounted antenna with a gain of either a
2.15dBi or 5.15dBi gain.
3 For 40W/50W radios:
— VHF radios must be installed using an antenna
— UHF radios must be installed using an antenna either
Antenna termination
1 Run the free end of the coaxial cable to the radio’s
mounting position and cut it to length, allowing 20 30cm (8 - 12 inches) excess.
Caution: The cable should be protected from engine heat,
2 Terminate the free end of the cable with the BNC or
mini-UHF plug.
32 Radio installation
mizes coupling into the electronic control systems
of the vehicle.
cable and alter its electrical characteristics.
mounted centrally on the vehicle roof, with a gain of
2.15dBi or 5.15dBi.
mounted centrally on the vehicle roof with a gain of
2.15dBi or 5.65dBi, or mounted centrally on the
trunk with a gain of 5.65dBi.
sharp edges and from being pinched or crushed.
Installing the power cable
One end of the power cable is connected to the vehicle battery
and the other end plugs into the radio’s power connector.
Power connector
The power connector on 25W radios is different to the power
connector on 40W/50 W radios. The following tables explain
the pin allocations for each power connector.
25W radio power connector
Pin Signal name Description
25W radio
rear view
1 AGND earth return for radio body
2 SPK– external speaker output
3 SPK+ external speaker output
4 13V8_BATT DC power input for radio body
40W/50W radio power connector
Pin Signal name Description
40W/50 W radio
rear view
1 13V8_BATT DC power input for radio body
2 SPK– external speaker output
3 SPK+ external speaker output
4 AGND earth return for radio body
English
power source
and control head
and control head
power source
Radio installation 33
English
Battery supply voltage
This radio is designed to operate from a nominal 12V negative
ground supply and may draw up to 8A of current (25W radios)
or 15A of current (40 W/50W radios). The radio will tolerate a
supply voltage range of 10.8V to 16.0V at the radio.
Caution: In vehicles with a supply voltage greater than
16.0V, such as many trucks, it is essential to
provide a suitably rated DC to DC converter. This
will isolate the radio from excessive battery voltage
and provide the correct DC operating conditions.
Connecting the power cable
Caution: Disconnecting the vehicle’s battery may cause
problems with electronic equipment, such as vehicle alarms, engine management systems and incar entertainment systems. Check that the vehicle
owner has the necessary information to make all
electronic equipment function correctly after
battery reconnection.
Caution: If the battery is not disconnected, exercise extreme
caution throughout the installation and install the
fuses only when the installation is ready to be
checked (see “Checking the installation” on
page 37).
1 Disconnect the vehicle’s battery, unless specifically
prohibited from doing so by the customer, vehicle manufacturer, agent or supplier.
2 Run the power cable between the radio’s mounting posi-
tion and the vehicle battery.
Caution:
The power cable should be protected from engine
heat, sharp edges and from being pinched or crushed.
3 Cut the power cable to length, allowing about 20cm
(8 inches) excess at the radio end.
34 Radio installation
4
Cut the negative and the positive wires where the in-line fuse
holders will be placed (as close to the battery as possible).
Caution: Do not install the fuses until the installation is
ready to be checked.
5 Insert each end of the negative wire into one of the in-
line fuse holders and crimp them to force the metal
contacts onto the wires.
6 Connect the negative wire to the battery ground.
7 Repeat step 5 for the positive wire and connect it to the
positive terminal of the battery.
Mounting the U-bracket
The U-bracket can be used to install the radio on the dashboard or on any sufficiently flat surface, using the self-drilling
screws and washers provided in the installation kit.
Caution: When mounting the radio, check whether the
mounting surface needs to be reinforced.
Caution: The U-bracket must be installed using at least
four screws.
1 If the U-bracket is being mounted over a curved surface,
bend the U-bracket tabs slightly, to match the
surface shape.
2 Drill any holes required for cables and install suitable
grommets or bushings in the holes.
Caution: Check that the U-bracket is not distorted when the
screws are tightened.
3 Screw the U-bracket in the
chosen mounting position using
the self-drilling screws and
washers provided.
Tip: For more precise
positioning, predrill
3 mm (1/8 inch) pilot holes for
English
Radio installation 35
the self-drilling screws. Reduce the hole size in metal that
is less than 1mm (1/32 inch) thick.
English
Installing the radio in the U-bracket
1 Connect the antenna and power cables to the rear of
the radio.
2 Position the radio in the U-bracket so that the holes in the
U-bracket line up with the holes in the radio chassis.
3 Screw the radio into position using the four thumb screws
but without fully tightening the screws.
4 Position the radio in the U-bracket for best viewing angle,
then tighten the thumb screws.
36 Radio installation
TM8105 programming connector
The TM8105 has a 9-way D-range plug on the control head,
for remote connection. The pin allocations of the programming
connector are shown in the following diagram and table.
programming
connector
Pin Signal Description
1
RX_AUD receive audio output (after volume
control)
2
TXD asynchronous serial port: transmit data
3
MIC_AUD microphone audio input
4
RXD asynchronous serial port: receive data
5
ON_OFF hardware power on/software power off
6
+13V8_BATT unswitched 13.8 V power supply
7
PTT PTT input from microphone, with
hookswitch signal
8
AGND analogue ground
English
9
DGND digital ground
Radio installation 37
Checking the installation
1 Insert the fuses into the power leads.
English
2 Switch on the radio to confirm that it is operational.
Caution: Do not transmit yet.
3 Connect an in-line power meter between the radio and
the antenna.
4 Transmit and measure the forward and reflected
power levels.
Less than 4% of the forward power should be reflected. If
this is not achieved, check the installation, including the
antenna length.
5 Radios with a user interface only:
Once the reflected power levels are within tolerance,
make a call to another party on the radio (see “Making a
call” on page 16).
Other installation options
Contact your radio provider for further information.
38 Radio installation
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any of the Software or Firmware items prior-installed in the
related Tait product, included on this CD or downloaded
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38 Tait general software licence agreement
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