Thrane&Thrane Capsat Messenger TT-3080A User Manual

Capsat Messenger

TT-3080A

User Manual

Thrane & Thrane

Thrane & ThraneThrane & Thrane

Thrane & Thrane

Capsat Messenger

TT-3080A

User Manual

Copyright Thrane & Thrane A/S

ALL RIGHTS RESERVED

Information in this document is subject to change without notice
and does not represent a commitment on the part of Thrane &
Thrane A/S.

© 2001 Thrane & Thrane A/S. All rights reserved. Printed in
Denmark.

Document Number TT98—111882-H.

Release Date: 7 September 2001

Safety Summary

Safety SummarySafety Summary

Safety Summary

The following general safety precautions must be observed during all phases of

operation, service and repair of this equipment. Failure to comply with these
precautions or with specific warnings elsewhere in this manual violates safety

standards of design, manufacture and intended use of the equipment.

Thrane & Thrane A/S assume no liability for the customer's failure to comply with

these requirements.

GROUND THE EQUIPMENT

GROUND THE EQUIPMENTGROUND THE EQUIPMENT

GROUND THE EQUIPMENT

To minimise shock hazard, the equipment chassis and cabinet must be connected to

an electrical ground

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHEREDO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE

Do not operate the equipment in the presence of flammable gases or fumes.

Operation of any electrical equipment in such an environment constitutes a definite

safety hazard.

KEEP AWAY FROM LIVE CIRCUITS

KEEP AWAY FROM LIVE CIRCUITSKEEP AWAY FROM LIVE CIRCUITS

KEEP AWAY FROM LIVE CIRCUITS

Operating personnel must not remove equipment covers. Component replacement

and internal adjustment must be made by qualified maintenance personnel. Do not

replace components with the power cable connected. Under certain conditions,

dangerous voltages may exist even with the power cable removed. To avoid injuries,

always disconnect power and discharge circuits before touching them.

DO NOT SERVICE OR ADJUST ALONE

DO NOT SERVICE OR ADJUST ALONEDO NOT SERVICE OR ADJUST ALONE

DO NOT SERVICE OR ADJUST ALONE

Do not attempt internal service or adjustments unless another person, capable of

rendering first aid resuscitation, is present.

DO NOT SUBSTITUTE PARTS OR MODIFY EQUIPMENT

DO NOT SUBSTITUTE PARTS OR MODIFY EQUIPMENTDO NOT SUBSTITUTE PARTS OR MODIFY EQUIPMENT

DO NOT SUBSTITUTE PARTS OR MODIFY EQUIPMENT

Because of the danger of introducing additional hazards, do not substitute parts or

perform any unauthorized modification to the equipment.

SAFETY DISTANCE FOR THE ANTENNA UNIT

SAFETY DISTANCE FOR THE ANTENNA UNITSAFETY DISTANCE FOR THE ANTENNA UNIT

SAFETY DISTANCE FOR THE ANTENNA UNIT

Minimum safety distance from the Antenna on the focal line is 1.8 m

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Table of Contents

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Table of Contents

1 Introduction ............................................................................. 1-1

2 Description of the service ........................................................ 2-1

3 The Capsat® Messenger.......................................................... 3-1

3.1 Hardware interfaces ........................................................ 3-4

3.2 The handset ................................................................... 3-10

3.3 SIM card ........................................................................ 3-20

3.4 PCMCIA card................................................................. 3-20

3.5 Handling of the battery pack ......................................... 3-20

4 Getting started......................................................................... 4-1

4.1 Select satellite.................................................................. 4-2

4.2 Pointing the antenna........................................................ 4-3

4.2.1 TT-3008A Foldable antenna ................................ 4-4

4.2.2 TT-3008B Big Dish antenna.................................. 4-5

4.2.3 TT-3008D Small Dish antenna............................ 4-10

4.2.4 TT-3008E Land Mobile antenna......................... 4-14

4.3 NCS/LES connectivity.................................................... 4-24

5 Making calls............................................................................. 5-1

5.1 Calling the terminal ......................................................... 5-1

5.2 Transferring incoming calls............................................. 5-1

5.3 Call from handset ............................................................ 5-2

5.4 Call from a connected phone .......................................... 5-3

5.5 Call from a connected fax................................................ 5-4

5.6 Call via RS-232................................................................. 5-5

5.7 Call via USB ..................................................................... 5-6

6 Basic functions ......................................................................... 6-1

6.1 Top level menu ................................................................ 6-1

6.2 Phone Book...................................................................... 6-2

6.3 Help Desk ........................................................................ 6-4

6.4 Call log ............................................................................6-5

6.5 Mailbox............................................................................ 6-7

6.6 Satellite setup .................................................................. 6-8

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6.7 Phone setup ...................................................................6-11

6.7.1 Tel. numbers ..................................................... 6-14

6.7.2 Route incoming.................................................. 6-16

6.7.3 Route outgoing .................................................. 6-17

6.7.4 Security ............................................................. 6-18

6.7.5 Sleep mode ....................................................... 6-22

6.7.6 MMI setup.......................................................... 6-23

6.7.7 RS-232 parameters............................................. 6-25

6.7.8 Cnst.Carrier ...................................................... 6-26

6.7.9 Audio in .............................................................6-26

6.8 Ant. Setup....................................................................... 6-26

6.9 Status.............................................................................. 6-28

7 Using MPDS..............................................................................7-1

7.1 What is MPDS? .................................................................7-1

7.2 Configuring TT-3080A ..................................................... 7-2

7.3 Setting up your PC ...........................................................7-2

7.4 Running an MPDS Session ................................................7-4

7.5 What if? ............................................................................ 7-5

8 Configuration Software ............................................................ 8-1

9 Technical Specifications ........................................................... 9-1

9.1 Interfaces .........................................................................9-1

9.1.1 Antenna ...............................................................9-1

9.1.2 DC input ..............................................................9-1

9.1.3 Handset interface ................................................ 9-2

9.1.4 Analogue 2-wire interfaces .................................9-2

9.1.5 ISDN..................................................................... 9-3

9.1.6 RS-232 interface...................................................9-3

9.1.7 USB ......................................................................9-4

9.1.8 Audio input/output .............................................. 9-4

9.2 Specifications................................................................... 9-4

9.2.1 TT-3008A Foldable antenna................................. 9-6

9.2.2 TT-3008B Big Dish antenna ..................................9-7

9.2.3 TT-3008D Small Dish antenna ..............................9-9

9.2.4 TT-3008E Land Mobile antenna .........................9-10

10 Azimuth and Elevation ........................................................... 10-1

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Hardware interfaces

Hardware interfacesHardware interfaces

Hardware interfaces Introduction

IntroductionIntroduction

Introduction

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1 Introduction

Congratulations on purchasing your TT-3080A Capsat®
Messenger. This terminal makes it possible for you to
communicate from any country in the world using the Global Area
Network service established by Inmarsat. The Capsat®
Messenger supports high-speed data (64 kbit/s circuit switched
and packet data) and high quality voice as well as inexpensive
voice, data and fax services. This manual has the following
chapters.

Chapter 2222 Description of the service

Description of the serviceDescription of the service

Description of the service - an overview of the Global

Area Network system and its services.

Chapter 3333 The Capsat® Messenger

The Capsat® MessengerThe Capsat® Messenger

The Capsat® Messenger - a brief description of the
terminal and how to utilise the services of the Global Area
Network.

Chapter 4444 Getting started

Getting startedGetting started

Getting started - a description of how to set-up the
terminal.

Chapter 5555 Making calls

Making callsMaking calls

Making calls - a quick step-by-step guide that
describes how to make and receive phone calls, data calls and
fax calls.

Chapter 6666 Basic functions

Basic functionsBasic functions

Basic functions - a more detailed description of the

features that are available in the terminal.

Chapter 7 Using MPDS –

7 Using MPDS – 7 Using MPDS –

7 Using MPDS – What is MPDS and step by step

configuration.

Chapter 8888 Configuration

ConfigurationConfiguration

Configuration -

- -

- a description on how to use the

accompanying configuration PC software (MesCP).

Chapter 9999 Technical Specifications

Technical SpecificationsTechnical Specifications

Technical Specifications -

- -

- contains detailed technical
specification of the terminal including electrical, mechanical and
protocols supported.

Introduction

IntroductionIntroduction

Introduction Hardware interfaces

Hardware interfacesHardware interfaces

Hardware interfaces

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Chapter 10 Elevation and Azimuth

10 Elevation and Azimuth10 Elevation and Azimuth

10 Elevation and Azimuth - enclosed maps to assist you

with pointing the antenna.

Please note that different software versions support different

Please note that different software versions support differentPlease note that different software versions support different

Please note that different software versions support different
features, and your terminal may not support all the features

features, and your terminal may not support all the featuresfeatures, and your terminal may not support all the features

features, and your terminal may not support all the features
described in this manual. We recommend that you contact your

described in this manual. We recommend that you contact yourdescribed in this manual. We recommend that you contact your

described in this manual. We recommend that you contact your
hardware provider for the latest software release, in case the

hardware provider for the latest software release, in case thehardware provider for the latest software release, in case the

hardware provider for the latest software release, in case the
described feature is not supported by your terminal.

described feature is not supported by your terminal.described feature is not supported by your terminal.

described feature is not supported by your terminal.

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Hardware interfaces Description of the service

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2 Description of the service

The Inmarsat Global Area Network service is based on 4 Geo­stationary satellites situated above the equator. Geo-stationary
means that the satellites are always located in the same position,
i.e. they move at the same speed as that of the earth. Each
satellite covers a certain area (footprint) and each satellite
supports a number of powerful spot-beams making the service
available on virtually all land masses on the earth between
approximately 70°N and 70°S. Please see Chapter 10 for more
detailed maps.

The Four Geo-Stationary Inmarsat Satellites

The Four Geo-Stationary Inmarsat SatellitesThe Four Geo-Stationary Inmarsat Satellites

The Four Geo-Stationary Inmarsat Satellites

The satellites are your connection to the world wide networks,
and they are managed by the Network Co-ordination Stations
(NCSs), run by Inmarsat. The primary functions of the NCSs are to
constantly keep track of which terminals are logged on to the
system, and assign a free channel when a call is made.

The gateway between the public network and the satellites are
operated by Land Earth Stations (LES). The LESs are run by
different operators, around the world.

The services supported by the Global Area Network
encompasses:

Description of the service

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• High Speed Services (64 kbit/s)

High Speed Services (64 kbit/s)High Speed Services (64 kbit/s)

High Speed Services (64 kbit/s)

• 64 kbit/s universal data

• 56 kbit/s universal data

• Speech

• 3.1 kHz audio

• MPDS (Mobile Packet Data Service)

• Low speed services (2.4 kbit/s)

Low speed services (2.4 kbit/s)Low speed services (2.4 kbit/s)

Low speed services (2.4 kbit/s)

• mini-M voice

• mini-M fax

• mini-M data

For a detailed service explanation, please refer to the last section
of this chapter.

The above mentioned services allow for a wide range of
applications. Examples are shown below.

Mini-disc

Video ­Camera

Notebook

Fax

V

ideophone

Dect-phone

Camera

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Important Notice:

Important Notice:Important Notice:

Important Notice: Before a terminal can be used on the network, it
has to be commissioned by one of the Inmarsat Service Providers
(ISP’s). In order to use the different Global Area Network services
it is necessary to have at least one Inmarsat Mobile Number (IMN)
for each of the above mentioned services. In case all 8 services
are commissioned on your terminal, you will have 8 IMN
numbers.

Calling a Global Area Network terminal is equal to making
international calls. If the satellite region/area is not known for the
terminal the “country” code for a terminal is 870. When you dial a
Global Area Network terminal through the public network, you
have to dial the IMN number in addition to the international
access code for Inmarsat, e.g.:

[phone]

Making calls from a Global Area Network terminal is equal to
making international calls as the country code always has to be
dialled

Service Explanation:

Service Explanation:Service Explanation:

Service Explanation:

The mini-M services have a lower tariff than the high speed
services, as these are high quality audio or high speed data
services and thus require more bandwidth.

The 64 kbit/s UDI

64 kbit/s UDI64 kbit/s UDI

64 kbit/s UDI (Unrestricted Digital Information) service
enables the bi-directional transmission of data to and from
terrestrial 64 kbit/s ISDN

ISDNISDN

ISDN networks. The 56 kbit/s UDI

56 kbit/s UDI56 kbit/s UDI

56 kbit/s UDI service is
similarly used to make a connection to 56 kbit/s ISDN networks,
which are primarily used in North America.

The Speech

SpeechSpeech

Speech and 3.1 kHz audio

3.1 kHz audio3.1 kHz audio

3.1 kHz audio services make it possible to
establish high quality analogue connections with quality equal to
terrestrial analogue connections via digital networks/switches.
The Speech

SpeechSpeech

Speech service is used for high quality voice connections,

whereas 3.1 kHz audio

3.1 kHz audio3.1 kHz audio

3.1 kHz audio can be used to transfer analogue signals

Description of the service

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between faxes and modems with an analogue 2-wire interface.
The 3.1 kHz audio service is transparent, and is suitable for all
analogue applications including secure telephones.

The MPDS service

MPDS serviceMPDS service

MPDS service is a packet data service where the tariff
depends on the amount of data transmitted. This service is a more
cost-effective solution for web browsing, and other applications
where there is no need for constant transmission of data in both
directions. It is also suitable for applications where a constant
connection is required, because the user is no longer charged the
“per minute rate”.

The mini-M voice

mini-M voicemini-M voice

mini-M voice service is only for voice transmission. The voice
transmitted over the satellite is subject to a compression process
down to 4.8 kbit/s, which reduces the bandwidth use and
subsequently the cost.

The mini-M fax

mini-M faxmini-M fax

mini-M fax service supports fax transmission at 2.4 kbit/s.
This can be useful and cost effective in case your fax is received
at a low speed.

The mini-M data

mini-M datamini-M data

mini-M data service is used to transmit data at 2.4 kbit/s. This
can be a benefit when small amounts of data are sent or received,
e.g. when a short e-mail is sent.

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3 The Capsat® Messenger

The Capsat® Messenger System includes the following system
components:

• TT-3038A Capsat® Messenger Electronics Unit

• TT-3620D Capsat® Messenger Handset

• TT-3686C Capsat® Messenger NiMH Battery (supplied as

default)
or

• TT-3686D Capsat® Messenger NiCd Battery Pack

• TT-3682C Capsat® Messenger AC adapter

• TT-3008A Capsat® Messenger Antenna

or

• TT-3008B Capsat® Messenger Big Dish Antenna
or

• TT-3008D Capsat® Messenger Small Dish Antenna
or

• TT-3008E Capsat® Messenger Land Mobile Antenna

• TT-10226A Capsat® Messenger PC Configuration Software

• Accessories (cables, carry case, manual, etc.)

The Capsat® Messenger

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Before using the terminal, it is necessary to unpack and connect
the handset to the electronic unit. The handset connects at the
bottom of the electronic unit. After inserting the handset cable a
small plastic lid is placed on top of the cable connector to protect
it.

TT-3620D Handset connected to the TT-3038A Transceiver

TT-3620D Handset connected to the TT-3038A TransceiverTT-3620D Handset connected to the TT-3038A Transceiver

TT-3620D Handset connected to the TT-3038A Transceiver

The terminal can be powered by means of battery, if inserted,
and/or an external DC power source connected at the rear of the
electronic unit. As DC power source the accompanying TT-3682C
Adapter is recommended.

TT-3682C AC Adapter

TT-3682C AC AdapterTT-3682C AC Adapter

TT-3682C AC Adapter

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The TT-3008A Antenna, connected at the rear, radiates micro
wave signals during a call with the strongest radiated signal in
front of the antenna (on the focal line) and drops off fairly quickly.
It is therefore important that no persons or animals are within the
safety distance, which is approx. 2 meters.

TT-3008A Antenna

TT-3008A AntennaTT-3008A Antenna

TT-3008A Antenna

If another DC-source is used and/or another non-Thane & Thrane
antenna cable is used, please make sure that the necessary
precautions described in section 9.1.2, DC input and in section

9.1.1 Antenna, respectively are taken. Thrane & Thrane offers a

wide range of antenna cables from 4 meters up to 200 meters.

Battery capacity: 2h High quality voice/4h Mini-M voice, 35 min.
high speed data/fax or 2h Mini-M data/fax, 100h standby.

The battery pack must be handled in a certain way to maximize
its capacity, please see the details in section 3.5, Handling of the
battery pack.

TT-3686C/D Batteries

TT-3686C/D BatteriesTT-3686C/D Batteries

TT-3686C/D Batteries

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3.1 Hardware interfaces

The Electronic Unit of the Capsat® Messenger has the following
hardware interfaces:

• Handset

• Analogue 2-wire RJ11 number 1

• Analogue 2-wire RJ11 number 2

• ISDN ( IIIIntegrated SSSServices DDDDigital NNNNetwork)

• USB (UUUUniversal SSSSerial BBBBus)

• Audio input/output

• RS-232

• PCMCIA Card

Except for the Handset and the PCMCIA Card, the connectors for
these interfaces are found on the rear of the Electronic Unit:

These interfaces can be used for the different Global Area
Network services.

The handset

handsethandset

handset can be used to setup the terminal and it can be used
to make or receive phone calls utilising one of the following
services:

• Speech

• 3.1 kHz audio

• mini-M voice

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The handset may also be used as dial pad for devices connected
to the terminal, that do not have a key pad to enter the phone
number. Please see section 5.5 Call from a connected fax and 5.6
Call via RS-232 for more information.

The two analogue 2-wire interfaces:

The two analogue 2-wire interfaces:The two analogue 2-wire interfaces:

The two analogue 2-wire interfaces:

The RJ11 ports as shown above can be used for connection of
analogue phones, secure phones, modems or group III fax
machines. For both interfaces the following services can be used

• Speech

• 3.1 kHz audio

• mini-M voice

• mini-M fax

Selection of service for the two is independent of each other.

Transmission speed of modem and fax depends on the attached
equipment and how they can cope with the delay.

If the mini-M voice is selected a phone must be connected as only
voice connections can be established. If the mini-M fax service is
selected a group III analogue fax must be connected and it will
always run at 2.4 kbit/s.

ISDN interface:

ISDN interface:ISDN interface:

ISDN interface:

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This interface can be used for connection of ISDN equipment –
data as well as voice/picture based equipment (phones, audio
codecs or video conferencing equipment).

The only exception is that normal terrestrial Basic Rate ISDN (BRI)
is based on 2 channels (128 kbit/s Data) and 1 D channel (16 kbps
Signalling). The Capsat® Messenger has 1 B channel (Data) and 1
S channel (simulated D channel) which combined equals a total
bandwidth of 64kbps. Please ensure that your ISDN equipment
has the possibility of supporting 1 B channel, otherwise it will not
work.

The following services may be used on the ISDN interface:

• 64 kbit/s UDI

• 56 kbit/s UDI

• Speech

• 3.1 kHz audio

• mini-M voice

Equal to the terrestrial ISDN network the terminal offers the
possibility to have more than one device connected to this
interface. Each device can be individually addressed when called
and the service type can be selected individually. This requires
that the attached equipment supports MSN (Multiple Subscriber
Number). Depending on the brand of equipment it may be
possible to program the equipment with more MSNs. If a device
should respond to a certain IMN number, it must be programmed
in the ISDN equipment using the IMN as MSN. Note that the
equipment will only react if both MSN as well as service type
(speech, 3.1 kHz audio, 64 kbit/s or 56 kbit/s) fits with the ISDN
equipment.

Please note that the ISDN interface supports data transmission of
64 kbit/s (one B-channel) as opposed to 2 times 64 kbit/s (two B­channels) available on the terrestrial ISDN network and that the
delay is also greater. Not all standard ISDN devices are equally
good at coping with these differences.

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RS-232 interface:

RS-232 interface:RS-232 interface:

RS-232 interface:

The RS-232 port is a standard 9 pin serial port, the maximum port
speed is 115.2 kbps. It can be used for the following service types

• Mini-M data service

• MPDS service

• Configuration of the terminal via MesCP software

• Various printing functions

The printer function makes it possible to print different internal
settings of the terminal (such as the phone book, call log, and
status messages) via the handset. The serial printer is to be
connected to the RS-232 interface when activating a print
command.

When installing the configuration program you should connect
your PC to the RS-232 interface.

USB Interface:

USB Interface:USB Interface:

USB Interface:

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USB - the Universal Serial Bus – shown above is a popular
technology that allows a single universal plug to connect PCs and
peripherals of all kinds to each other. USB replaces all of the
different serial and parallel PC connections with one standard
plug and port.

The USB port is currently not functional

The USB port is currently not functionalThe USB port is currently not functional

The USB port is currently not functional

Facts about USB:

1. USB is 100 times faster than a serial port

2. Transfer rates up to 12 megabits/second

3. Up to 127 peripherals can be connected to one computer

with the use of multiple-port USB hubs

4. Every desktop and notebook computer sold today features at

least one built-in USB port

5. The following operating systems support USB: Windows® 98,

Windows® 2000, Windows® Millennium Edition, Macintosh

OS 8.5, and above.

6. Uses a standard plug and play port.

1. USB-based hardware is hot-swappable, allowing users to
quickly and easily attach and detach peripherals

2. After plugging in a USB peripheral, the computer system
automatically loads or asks for appropriate device
drivers

The Messenger, when connected to a PC via the USB, is
considered a peripheral much like a modem. This limits the
possible service types available to the following:

Services available: Devices that can be connected:

Mini-M Data Personal Computer
MPDS Personal Computer, LAN Router
(Mobile Packet Data Service)

(The list of devices is not all-inclusive, but is provided to illustrate
possible uses)

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TYPICAL USB APPLICATIONS

TYPICAL USB APPLICATIONSTYPICAL USB APPLICATIONS

TYPICAL USB APPLICATIONS

Audio input/output interface:

Audio input/output interface:Audio input/output interface:

Audio input/output interface:

This interface can be connected with a headset and a digital
recorder (e.g. Mini Disc or DAT). The handset is used to establish
a connection. Hereafter it is possible to toggle between handset
microphone/ speaker and audio input/output.

Mini-M data or
MPDS

MPDS only

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Typical Audio IN/OUT application:

Typical Audio IN/OUT application:Typical Audio IN/OUT application:

Typical Audio IN/OUT application:

See section 6.7

for more information on how to route incoming calls to the
hardware interfaces and how to setup the default service for
outgoing calls.

3.2 The handset

The TT-3620D Handset is the primary interface for the TT-3080A
Capsat® Messenger. It enables the user to dial numbers, it
displays error and status messages, and is used to configure the
transceiver.

The  is used to turn the terminal on and off. Turning off the
terminal requires that the key is held down for 4444 seconds. The
display will show a countdown and the display will instruct the
user when to release the button.

Minidisk

DAT Recorder

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The handset is divided into 3 distinct and inter-working sections.

1. The first is the Liquid Crystal Display (LCD) and Light
Emitting Diodes (LED) section. This section gives the user
visual indications about the operation and status of the
system.

2. The second section is the Function buttons section. This
section enables the user to interact with the software menu
system of the transceiver.

3. The third section is the Alpha-Numeric section. This section
enables the user to dial and perform data entry functions into
the transceiver.

All three sections working together, gives the user in the field the
flexibility and operability required for mobile communications.

LED

LCD

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As shown in the picture above, the top of the handset contains the
LCD for displaying information to the user. It can be adjusted for
contrast and is backlit for viewing in dimly lit areas or night
operations. The LCD display is graphically shown below:

The display contains a set of symbols which together with the 4
indicators situated below the display gives continuous indication
of current status.

Above the Text Area you find the signal strength meter, top
center, and the battery level meter, top right. The signal strength
will range from 0 to 5 bars of signal. 5 bars being the maximum.
The signal strength will appear in the display as:



Speaker
Enabled

Alphabetic
Entry Enabled
Locked

Handset
Off hook

Pin Code
Locked
Enabled

Battery
Level

Secondary
Functions
Enabled

Scroll
Down

Text
Area

Signal
Strength

Mailbox

    

IOR:SINGAPOR
Ready

      

Scroll Up

More Options
Available

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The battery level is divided into fourths. The level of the battery
will appear in the top right of the display as:



The battery level will cycle from left to right when the transceiver
is powered by the AC adapter to indicate that the battery is
charging.

There are four LED’s under the LCD display (see below). From
left to right they are Power (GREEN) – Alarm (RED) – Connected
(AMBER) – Synchronization (GREEN).

POWER LED (GREEN): The Power LED indicates that the system
has power. When operating on battery, the LED will flash when
the battery level is getting low. The LED will also flash when in
Sleepmode (see section 6.7.5).

ALARM LED (RED): The Alarm LED will illuminate when the
system detects a fault. A fault code will also be displayed in the
LCD.

CONNECTION LED (AMBER): The Connection LED will flash
when a call is ringing at the receiving end and will illuminate
steady when a connection is made.

Power

Alarm Connection

Synchronization

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SYNCHRONIZATION LED (GREEN): This is a dual function LED.
Initially, the LED will illuminate when the system has
synchronization with a satellite. When the system has established
a data call, the LED assumes its secondary function as a data
transfer light. When data is being transferred (sent or received),
the LED will light. This is a quick visual reference during data
communications.

Function Buttons:

Function Buttons:Function Buttons:

Function Buttons:

The Function Buttons, as shown above, enables the user to enter
the menu system of the transceiver and manipulate various
settings. Each button is described in detail below.