Use of a wrong fuse can result in fire or
permanent equipment damage.
Do not use the equipment for other than
its intended purpose.
Personal injury can result if the equipment
is used as a chair or stepping stool, for
example.
Do not place objects on the top of the
equipment.
The equipment can overheat or personal
injury can result if the object falls.
CAUTIONCAUTION
WARNING
WARNING
WARNING
Do not open the equipment.
Hazardous voltage which can
cause electrical shock, burn
or serious injury exists inside
the equipment. Only qualified
personnel should work inside
the equipment.
Hazardous microwave.
Do not approach within
60 cm of the antenna radome
when it is transmitting.
Microwave radiation can be
harmful to the human body,
particularey the eyes.
Radiation Level At
10W/m
WARNING
Do not operate the equipment with wet
hands.
Electrical shock can result.
Keep heater away from equipment.
Heat can alter equipment shape and melt
the power cord, which can cause fire or
electrical shock.
Any repair work must be done by a
licensed radio technician.
Improper repair work can cause electrical
shock or fire.
2
60 cm
Leave the equipment powered while
underway.
Distress cannot be communicated unless
the equipment is powered.
Do not disassemble or modify the
equipment.
Fire, electrical shock or serious injury can
result.
Turn off the power immediately if water
leaks into the equipment or the equipment is emitting smoke or fire.
Continued use of the equipment can cause
fire or electrical shock.
Do not place liquid-filled containers on
the top of the equipment.
Fire or electrical shock can result if a liquid
spills into the equipment.
The FELCOM 12 should be turned on for the duration of a voyage.
Be sure to logout with Inmarsat-C system before turning off the equipment.
Receiving
viii
Logout
Power Off
PROGRAM NUMBER
rofnosaeR.oNbuP
etaD,noitacifidoM
K-03165-EMO
CEIhtiwmrofnocotdeifidoM
2noitidE1-26116
4/2002
.oNmargorPerawtfoS
)3/8991(300-2110-5611UPC
)3/8991(300-4110-561DOMED
)4/2002(410-8110-5612UPC
)4/0002(600-6110-561LANIMRET
ix
This page is intentionally left blank.
Introduction
FOREWORD
FURUNO Electric Company thanks you for considering and purchasing the FELCOM 12 Inmarsat-C Mobile Earth Station. W e are confident you will discover why the FURUNO name has become synonymous with quality and reliability.
Mainly consisting of an antenna unit, a communication unit and terminal unit, the FELCOM 12 provides the full range of distress and
general communication services for mobile and fixed terrestrial subscribers in the Inmarsat-C communication network. Its compact size
permits installation where space is limited.
FURUNO designs and manufactures this equipment with much attention to operation and maintenance simplicity. However , please read
and follow the recommended procedures for operation and maintenance to get the most out of the equipment.
This manual provides a brief introduction to the Inmarsat-C system
(pages 5 thru 10). For more detailed information, however, please
refer to “Inmarsat-C Maritime User’ s Manual” published by Inmarsat.
(It is free of charge.) Below are contact points for Inmarsat.
Inmarsat-C Maritime Customer Relations Officer
Maritime Services Operations Department
International Maritime Satellite Organization (Inmarsat)
Address: 99 City Road, London EC1Y 1AX, UK
Telephone:+44 71 728 1000 (Switchboard)
Fax:+44 71 728 1192
Telex:297201 Inmarsat G
1
Features
¡ Conforms to the following standards: IMO A.807(19),
To transmit E-mail, register with the LES provider. E-mail
charges are calculated separately.
¡Built in Enhanced Group Call (EGC) receiver permits operation as
EGC-only receiver.
¡Communication unit accepts a wide variety of peripheral equip-
ment, Distress Message Controller (DMC), personal computer and
remote panel.
¡Connection of 2nd Data T erminating Equipment (DTE) for opera-
tion from remote location such as the bridge
¡Store-and-forward telex communication (public telex network)
¡Data reporting and Polling
¡Internal GPS receiver (option) in the communication unit provides
GPS-generated position.
¡Self test programs for maintenance
¡Terminal unit provides floppy disk drive for unlimited storage of
received and transmitted messages on floppy disks.
¡Menu driven operation
2
About This Manual
A word about the or ganization of this manual: It is laid out in a userfriendly manner as possible. We realize a machine like this with its
many, many functions can be a little intimidating to even the experienced MES operator. This is why we have arranged this manual in a
series of sections that start at a basic level and proceed forward in
complexity in a logical manner.
The best way to acquaint yourself with the many facilities this equipment has to offer is to turn it on and try keying in the examples provided in each of the sections. In hardly no time at all you’ll be enjoying
the benefits of the Inmarsat-C system.
Inmarsat-C SystemThis chapter explains the Inmarsat-C sys-
Operational Overview This chapter introduces basic operations.
System InitializationRead this chapter to learn how to initialize
File OperationsY ou will learn how to use the text editor in
tem.
the FELCOM 12.
this chapter, to prepare, edit and save messages.
Inmarsat-CRead this chapter to learn how to transmit
Communicationsand receive in the Inmarsat-C system.
Data Reporting and Polling
This chapter explains data reporting setting and polling reception.
Distress AlertThis chapter tells you how to prepare and
transmit the distress alert, and conduct distress communications.
Other FunctionsThis chapter describes how to abort op-
mation for keeping the FELCOM 12 in top
operating condition.
AppendixThe Appendix presents international telex
country codes, international telex abbreviations, glossary of acronyms, error messages and alerts, and international telegraphy alphabet.
3
FELCOM 12 System Configuration
DISTRESS
TYPE IC-302
SEL NO.
COMPASS SAFE DISTANCE
STD M
FURUNO ELECTRIC CO., LTD
Distress Alert Unit
IC-302
DISTRESS
TYPE IC-302
SEL NO.
COMPASS SAFE DISTANCE
STD M
FURUNO ELECTRIC CO., LTD
Distress Alert Unit
IC-302
ALARM RESET
DISTRESS / URGENT
RECEIVING UNIT
Distress/Urgent
Receiving Unit
IC-303
FURUNO
POWER
Antenna Unit
INMARSAT- C MOBILE EARTH STATION
Communication Unit
4
Terminal Unit
Figure 1 FELCOM 12 system configuration
Introduction
INMARSAT-C SYSTEM
This chapter provides an overview of the Inmarsat-C satellite communication system.
The Inmarsat-C system provides worldwide telex and data transmission and reception of written information to owners of an Inmarsat-C
transceiver or a terrestrial telex network via satellite.
Communication mode is store-and-forward telex, which means all
information sent are first stored at a LES and then delivered to designated party.
An EGC (Enhanced Group Call) receiver is built in the FELCOM 12
to receive the following types of messages, broadcast from a LES:
¡SafetyNETTM-governments and maritime authorities can use this
service to distribute maritime safety information to ships within
selected areas.
¡FleetNET
companies can use this service to transmit trade information (for
example, company news or market prices) simultaneously to a selected group of ships, to provide up-to-the-minute information.
FELCOM 12 allows you to make distress calls which are given immediate priority over all other calls, and are automatically routed to a
land-based Rescue Co-ordination Centre (RCC).
Besides its primary application of ship-shore, shore-ship or ship-ship
communications, the Inmarsat-C service has also proved beneficial
to trucking firms who have found it indispensable for communicating with their vehicles. In this manual, however, we will concentrate
on ship applications, the main application.
TM
-commercial subscription organizations or shipping
5
Inmarsat System Configuration
6
Figure 2 Inmarsat-C satellite communication system
The Inmarsat-C system consists of the Operation Control Center
(OCC), Satellite Control Centers (SCC), Network Coordination Stations (NCS), Land Earth Stations (LES) and Mobile Earth Stations
(MES). The OCC, located at Inmarsat’s London headquarters, coordinates a wide range of activities in the Inmarsat system, including
commissioning of mobile earth stations.
The Inmarsat-C system divides the world into four regions and each
region is covered by its own satellite.
In each region there is one NCS and several LESs. The NCS keeps
track of all Inmarsat-C transceivers in its region and broadcasts information such as navigational warnings, weather reports and news.
The LES provides the link between the MES and the terrestrial telecommunications networks via satellite.
7
Figure 3 Coverage area of satellites
AREA
SATELLITE NAME
POSITION
POR
INMARSAT-2, F3
178° E
IOR
INMARSAT-2, F1
64.5° E
AOR-EAST
INMARSAT-2, F2
15.5° W
AOR-WEST
INMARSAT-2, F4
54.0° W
8
Communications Network
Figure 4 shows the Inmarsat-C communications network.
Data
Communications
Network
Telex Network
Terrestrial
Communications
Network
NCS/LES
Signaling Link
Land Earth
Station
(LES)
Network
Coordination
Station (NCS)
MES Signaling
Channel
MES Message
Channel
LES TDM
Channel
NCS/NCS Signaling Link
NCS Common Channel
Data Circuit
Terminating
Equipment
(DCE)
Figure 4 Inmarsat-C communications network
Mobile Earth
Station (MES)
Data Terminal
Equipment (DTE)
Enhanced Group
Calling (EGC) Receiver
NCS common channelThe NCS has two major functions:
1) T ransmitting information on a common channel.
2) T ransmitting EGC messages to MESs.
NCS/LES signalling link This is the link between NCS and all
LESs in its region. All EGC messages
pass through this link.
LES TDM channelThis channel carries the circuit control
signal for MES and transmits messages
from LES to MES.
MES message channelThis channel carries messages from
MES to LES.
MES signaling channelThis channel transmits requests, distress
alerts, data reports, etc. In addition, it
carries login and logout from MES to
NCS.
NCS/NCS signaling link This is the link between NCSs. It ex-
changes data between MESs operating
in different ocean regions.
9
MES interfaceThe MES consists of the Data Circuit
T erminating Equipment (DCE) and the
Data Terminal Equipment (DTE). The
DCE consists of the antenna unit and
the communication unit. And the DTE
consists of the terminal unit (or a PC),
keyboard and printer.
Terrestrial networkThe major functions of the LESs are:
interface
1) Telex store-and-forward conversion
2) Handling EGC messages
3) Handling distress alerts
4) Data Reporting and Polling
Types of MES
There are three types of MES: class 1, class 2 and class 3. The
FELCOM 12 is a class 2 MES.
Class 11) Transmits messages to LES
2) Receives messages from LES
Class 21) The functions of class 1 plus opera-
tion as an EGC receiver when not
transmitting or receiving.
2) EGC-only receiver
Class 3The function of class 1 plus simulta-
neous operation as a EGC-only receiver .
10
Peripheral Equipment
The following equipment can be additionally connected to the
FELCOM 12.
Distress/Urgent Receiving Unit (IC-303)
The IC-303 releases an audible alarm and blinks the lamp when distress message is received. (Refer to page 4-26 for further details.)
When an EGC distress or urgent message is received, with an aural
alarm and blinking lamp.
Distress Alert Unit (IC-302)
The IC-302 enables transmission of the distress alert from a remote
location; for example, ship’s bridge. (Refer to page 6-3 for more details.)
Distress Message Controller (DMC-5:Option)
The DMC provides for transmission and monitoring of the distress
alert. For further details, refer to the operator’s manual of the DMC-
5.
Inmarsat C
Distress Message Controller DMC-5
Figure 5 Distress Message Controller system
11
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OPERATIONAL OVERVIEW
This chapter provides an overview of the FELCOM 12 system.
The Communication Unit
The communication unit is the heart of the FELCOM 12 system, transmitting and receiving messages and alerting you to equipment fault.
On its front panel you should see the POWER switch and POWER
lamp. Normally, the power is left on while underway.
POWER
Switch
FURUNO
POWER
POWER
lamp
INMARSAT- C MOBILE EARTH STATION
NAME PLATE
Figure 1-1 Communication unit IC-212
Self test
When the communication unit is turned on it conducts a series of
self-tests to check itself for proper operation.
When the audible alarm sounds
The audible alarm sounds in the following circumstances:
1) EGC distress or urgent message is received. (T o silence the alarm,
press [ESC] followed by [F10].)
2) During the interval between the transmission of the distress alert
(by own vessel) and the receiving of the distress acknowledge signal from LES. (The alarm automatically stops when your ship
recives the distress acknowledge signal.)
3) The system status monitor detects equipment fault. (T o silence the
alarm, press any key.)
The audible alarm sounds and the terminal unit displays which alarm
is sounding.
1-1
The Terminal Unit
Power switch
Floppy disk drive
BRIGHT
control
CONTRAST
control
The DTE may consist of IB-581 or IBM compatible pc. All operations are carried out from the terminal unit, through an easy-to-understand menu system. For personal computer connection a system
disk (supplied) is required to boot up the computer. Opetarion by a
computer is the same as with the terminal unit except when turning
on the power.
Figure 1-2 Terminal unit IB-581
To turn on/off the unit, press the POWER switch.
Controls for adjustment of screen brilliance and contrast are to the
right of the POWER switch.
Floppy disk drive
The terminal unit provides a floppy disk drive for storing transmitted
and received messages on floppy disks.
Floppy disk
The floppy disk used with the system is a standard 3.5” floppy disk.
Always leave a floppy disk inserted to save incoming messages.
Terminal unit cannot print file from a floppy disk when there is not
enough space remaining on the disk. In this case, replace disk with
formatted disk.
1-2
Printer PP-510 (optional supply)
The printer prints transmitted and received messages. The POWER
switch is on the right side of the unit. A lamp on the switch lights
when the power is on. If the paper is set correctly the ON LINE lamp
also lights. When both these lamps are lit the printer is ready to print
information received from the terminal unit. For further details, refer
to the operator's manual of the PP-510.
Figure 1-3 Printer PP-510
1-3
Keyboard
The FELCOM 12 is almost 100% keyboard controlled. Operation is
simplified by the use of menus which you access by pressing function keys, numbered F1-F10 at the top of the keyboard. Figure 1-4
shows keyboard layout.
Esc
~
`
Tab
Caps Lock
Fn
F1
F2F3
2
1
QWERTYUIOP
ASDF GHJ KL:+;"
CtrlAlt
F4
F5F6
%
$#@!
345
ZXCVBNM<> ?/
F7
^&
C
67890 -=
F8
F9F10
*
456
123
Num
Lock
(
9*87
0Shift
,
Alt
Figure 1-4 Keyboard
Key description
EscCancels key input and returns to previous
display screen.
Prt Sc
SysRq
.
Ctrl
Scroll
Lock
_+)
{}\|
[
/
Home
Pause
Break
'
InsertDelete
Backspace
]
Enter
Shift
PgUp
EndPgDn
F1-F10These are the function keys. They select
menus.
BackspaceDeletes the character to the left of the cur-
sor.
InsertWorks the same as PASTE function. See
page 3-5.
DeleteDeletes the character on the cursor.
HomeMoves the cursor to the top of a message
being edited.
EndMoves the cursor to the bottom of a mes-
sage being edited.
PgUpGoes to the previous page of the edit screen.
PgDnGoes to the next page of the edit screen.
[/], [/], [,], [/]Control the cursor.
EnterRegisters key input.
1-4
ShiftSelects upper or lower case letters. Press and
hold down the key to get upper case letters.
Note that only upper case letters are used in
telex.
AltExecutes the shortcut key operation when
combined with an alphabet key.
Space BarInserts a space. In addition, it displays file
list, partial view of a file, etc. depending on
menu.
Caps LockTurns upper case letter input on or off. CAPS
appears on the display when the keyboard
is set for upper case letter input.
TabInserts horizontal tab characters. The num-
ber of tab characters the key can insert per
line of text can be programmed for two, four
or eight tabs.
CtrlW orks in combination with alphabet keys as
follows:
Ctrl key shortcut keys
]M[+lrtC.retnEsaemaS
]H[+lrtC.ecapSkcaBsaemaS
]I[+lrtC.baTsaemaS
]V[+lrtCtresnI+etirwrevOsaemaS
FN Combined with an arrow Key, it scrolls
screen(
,/),or shifts cursor (,, /).
/
Num LockTurns numeric input on or off. Note that you
cannot enter alphabet when the Num LED
is its.
Note1: In telex, lower case, #, &, *, $ or % are not used. A full list of
characters usable in telex appears on page A-11 in the Appendix.
Note2:C (Euro mark) on
%
key is not used.
C
5
1-5
Shortcut key operation
The FELCOM 12 provides the keyboard shortcuts shown below for
commonly used functions.
Same as NEW in File menu
Same as OPEN in File menu
Same as CLOSE in File menu
Same as DELETE in File menu
Same as SAVE in File menu
Same as PRINT in File menu
Same as UNDO
Same as CUT in Edit menu
Same as COPY in Edit menu
Same as PASTE in Edit menu
Same as Top of Text in Edit/Go to line menu
Same as End of Text in Edit/Go to line menu
Same as CHANGE WINDOW in Edit menu
Function Menus
File
Edit
Esc
F1
~
`
1
Tab
Caps Lock
Fn
The function menus, which you access by pressing the function keys
(F1-F10) at the top of the keyboard, control most operations of this
unit.
Transmit
F2F3
2
QWERTYUIOP
ASDF GHJ KL:+;"
ZXCVBNM<>?/
CtrlAlt
Reports
EGC
F4
F5F6
34
Options
Logs
F7
F8
^&$#@!
%
C
5
67890 - =
Position
Setup
F9F10
*
(
456
123
0Shift
Alt
StopAlarm
Prt Sc
Num
Lock
SysRq
9*87
,
.
Ctrl
Scroll
Lock
_+)
{}\|
[
/
Home
Pause
Break
'
Insert Delete
Backspace
]
Enter
Shift
EndPgDn
PgUp
1-6
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