Furuno USA 9ZWFM4800 MARINE VHF RADIOTELEPHONE User Manual

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OPERATOR'S MANUAL
MARINE VHF
RADIOTELEPHONE
Model
FM-4800
www.furuno.com
SAFETY INSTRUCTIONS
The operator and installer must read the applicable safety instructions before attempting to operate or
install the equipment.
WARNING
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
can result in minor or moderate injury.
Warning, Caution
Prohibitive Action
WARNING
Do not open the equipment.
This equipment uses high voltage
electricity which can shock, burn or
cause serious injury. Only qualified
personnel can work inside the equipment.
If water leaks into the equipment or
something is dropped into the
equipment, immediately turn off the
power at the switchboard.
Mandatory Action
WARNING
Do not disassemble or modify the
equipment.
Fire, electrical shock or serious injury
can occur. If the equipment does not
work properly, contact your dealer.
Make sure no rain or water splash
leaks into the equipment.
Fire or electrical shock can result if water
leaks into the equipment.
Fire or electrical shock can result.
If the equipment is giving off smoke
or fire, immediately turn off the
power at the switchboard.
Do not place liquid-filled containers
on or near the equipment.
Fire or electrical shock can result if a
liquid spills into the equipment.
Fire or electrical shock can result.
If you feel the equipment is acting
abnormally or giving off strange
noises, immediately turn off the
power at the switchboard and contact
a FURUNO service technician.
Do not operate the equipment with
wet hands.
Electrical shock can result.
Use the correct fuse.
Use of the wrong fuse can cause fire or
electrical shock.
CAUTION
Do not touch any part of the antenna
when the equipment is transmitting.
Electrical shock can result.
SAFETY INSTRUCTIONS
WARNING
Do not open the equipment unless
totally familiar with electrical circuits.
The equipment uses high voltage that
can cause electrical shock.
Turn off the power at the mains
switchboard before beginning the
installation. Post a warning sign near
the switchboard to indicate that
power should not be applied while
the equipment is being installed.
Electrical shock, serious injury or fire
can result if the power is not turned off
or is applied while the equipment is
being installed.
Do not approach the antenna closer
than the distances shown below
when the antenna is transmitting.
The antenna emits radio waves that can
be harmful to the human body.
RF power density
Distance Description
on antenna aperture
required by
100 W/m2
10 W/m2
1.2 W/m2
0.2 mW/cm2
0.12 m IEC 60945
0.39 m IEC 60945
2.50 m MPE by IC
1.50 m MPE by FCC
(MPE: Minimum Permissible Exposure)
Maximum Antenna Gain: 6 dBi
This device complies with part 15 of
the FCC Rules.
Operation is subject to the following
two conditions:
(1) This device may not cause harmful
interference.
(2) This device must accept any interference received, including interference
that may cause undesired operation.
[Radiation Exposure Statement]
This equipment complies with FCC
radiation exposure limits set forth for
an uncontrolled environment.
This equipment complies with FCC
radiation exposure limits set forth for an
uncontrolled environment.
This antenna should be installed with
minimum distance 150cm from your
body.
This transmitter must not be co-located
or operating in conjunction with any
other antenna or transmitter.
Note: This equipment has been tested
and found to comply with the FCC
standards.
These limits are designed to provide
reasonable protection against harmful
interference in a commercial installation.
This equipment generates uses and can
radiate radio frequency energy and, if
not installed and used in accordance
with the instructions, may cause harmful
interference to radio communications.
However, there is no guarantee that
interference will not occur in a particular
installation.
If this equipment does cause harmful
interference to radio or television
reception, which can be determined by
turning the equipment off and on, the
user is encouraged to try to correct the
interference by one or more of the
following measures:
- Reorient or relocate the receiving
antenna.
- Increase the separation between the
equipment and receiver.
- Connect the equipment into an outlet
on a circuit different from that to which
the receiver is connected.
- Consult the dealer or an experienced
radio/TV technician for help.
ISEDC RSS warning
This device complies with Innovation,
Science and Economic Development
Canada Compliance RSS standard
(s). Operation is subject to the following
two conditions: (1) this device may not
cause interference, and (2) this
device must accept any interference,
including interference that may cause
undesired operation of the device.
Le présent appareil est conforme aux
CNR d'Innovation, Sciences et Développement économique Canada
applicables aux appareils radio.
L'exploitation est autorisée aux deux
conditions suivantes:
(1) l'appareil ne doit pas produire de
brouillage, et
(2) l'utilisateur de l'appareil doit accepter
tout brouillage radioélectrique subi,
même si le brouillage est
susceptible d'en compromettre le
fonctionnement.
SAFETY INSTRUCTIONS
WARNING
ISEDC Radiation Exposure Statement:
This equipment complies with ISEDC
RF radiation exposure limits set forth for
an uncontrolled environment.
The antenna should be installed with
minimum distance 250cm from your
body.
This transmitter must not be co-located
or operating in conjunction with any
other antenna or transmitter.
ISEDC exposition aux radiations:
Cet équipement est conforme avec
ISEDC les limites d'exposition aux
rayonnements définies pour un contrôlé
environnement.
L'antenne doit être installée avec une
distance minimale de 250cm de votre
corps.
Cet émetteur ne doit pas être
co-localisés ou fonctionner en conjonction avec une autre antenne ou
émetteur.
Any Changes or modifications not
expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
CE Compliance Statement
This product complies with CE under
RED directive 2014/53/EU.
The maximum antenna gain is 6dBi，
which is caculated in the EIRP. The
distance form observation point to the
antenna is 2m.
CAUTION
Confirm that the power supply
voltage is compatible with the voltage
rating of the equipment.
Connection to the wrong power supply
can cause fire or damage the equipment.
Observe the following safe compass
distances to prevent interference to a
magnetic compass:
FM-4800
HS-4800
SP-4800
Standard
compass
Steering
compass
0.65 m
0.70 m
0.40 m
0.45 m
2.65 m
1.75 m
Contents
FOREWORD ................................................................................... 1
SYSTEM CONFIGURATION........................................................... 2
1.
GETTING STARTED ............................................................ 3
1.1 Emergency Call (CH16) .................................................................................. 3
1.2 How to Call another Channel (CH16 or CH9).................................................. 3
1.3 Channels 13 and 67 (USA Channel Group only)............................................. 4
2.
CONTROLS .......................................................................... 5
2.1 Radio ............................................................................................................... 5
2.2 Microphone ..................................................................................................... 6
2.3 Handset ........................................................................................................... 8
3.
HOME SCREEN ................................................................. 10
4.
DIGITAL SELECTIVE CALLING ........................................ 12
4.1 General ......................................................................................................... 12
4.2 Maritime Mobile Service Identity ................................................................... 12
4.2.1 What Is an MMSI?............................................................................... 12
4.2.2 How to Enter Your MMSI Number ....................................................... 12
4.3 DSC Distress Call.......................................................................................... 13
4.3.1 How to Initiate a DSC Distress Call ..................................................... 13
4.3.2 How to Receive a DSC Distress Call .................................................. 17
4.4 Individual Call ................................................................................................ 17
4.4.1 How to Initiate an Individual Call ......................................................... 18
4.4.2 How to Receive an Individual Call ....................................................... 21
4.5 Group Call ..................................................................................................... 24
4.5.1 How to Initiate a Group Call ................................................................ 24
4.5.2 How to Receive a Group Call .............................................................. 28
4.6 All Ships Call ................................................................................................. 29
4.6.1 How to Initiate an All Ships Call........................................................... 30
4.6.2 How to Receive an All Ships Call ........................................................ 31
4.7 Position Request Call .................................................................................... 32
4.7.1 How to Initiate a Position Request Call ............................................... 32
4.7.2 How to Receive a Position Request Call ............................................. 37
4.8 Auto Position Polling ..................................................................................... 38
4.8.1 How to Enable the Auto Position Polling ............................................. 38
4.8.2 How to Select Vessels to Which the Radio Sends Auto Position Request
Calls ............................................................................................................. 39
4.8.3 How to Monitor Position ...................................................................... 40
4.9 DSC Log........................................................................................................ 41
4.10 DSC Test..................................................................................................... 42
5.
CHANNEL WATCH ............................................................ 47
5.1 Dual Channel ................................................................................................ 47
5.2 Triple Channel ............................................................................................... 47
6.
SCAN .................................................................................. 49
6.1 Scan All ......................................................................................................... 49
6.2 Scan All + 16 ................................................................................................. 49
6.3 Memory Scan ................................................................................................ 49
6.4 Memory Scan + 16 ........................................................................................ 50
6.5 Editing Memory Channel List ........................................................................ 50
7.
Weather Mode .................................................................... 53
8.
Fog Horn/Hailer/Intercom ................................................. 55
8.1 Fog Horn ....................................................................................................... 55
8.2 Hailer ............................................................................................................. 59
8.3 Intercom ........................................................................................................ 60
8.4 Edit Handset Name ....................................................................................... 61
9.
SETTING MMSI .................................................................. 63
10.
GENERAL SETUP .............................................................. 64
10.1 Display Setup .............................................................................................. 64
10.1.1 Adjusting the Backlight ...................................................................... 64
10.1.2 Adjusting the Contrast ....................................................................... 64
10.2 Units ............................................................................................................ 65
10.2.1 Time Format ...................................................................................... 65
10.2.2 Time Offset ........................................................................................ 65
10.2.3 Speed ................................................................................................ 66
10.2.4 Bearing.............................................................................................. 67
10.3 Key Beep..................................................................................................... 68
10.4 GNSS Setup ................................................................................................ 68
10.4.1 Entering the "GNSS SETUP" Interface ............................................. 68
10.4.2 Internal GNSS ................................................................................... 68
10.4.3 COG/SOG Display ............................................................................ 69
10.4.4 Manual Position................................................................................. 69
10.5 I/O Port Setup ............................................................................................. 70
10.5.1 Entering the "I/O PORT SETUP" Interface ........................................ 70
10.5.2 Selecting Output Port ........................................................................ 70
10.5.3 GNSS OUTPUT ................................................................................ 71
10.5.4 DSC OUTPUT ................................................................................... 71
10.5.5 AIS OUTPUT ..................................................................................... 72
10.6 System Information ..................................................................................... 72
10.6.1 Entering the "SYSTEM INFO" Interface ............................................ 72
10.6.2 Software Version ............................................................................... 73
10.6.3 Diagnostic Test .................................................................................. 74
10.6.4 Factory Reset .................................................................................... 75
10.7 Fog Horn Frequency ................................................................................... 75
ii
10.8 Service Menu .............................................................................................. 76
11.
CHANNEL FUNCTION SETUP........................................... 77
11.1 Channel Group ............................................................................................ 77
11.2 Second Priority Channel.............................................................................. 77
11.3 Edit Channel Name ..................................................................................... 78
11.4 Private Channel ........................................................................................... 79
12.
DSC SETUP........................................................................ 80
12.1 Individual Directory ...................................................................................... 80
12.1.1 Adding an Entry ................................................................................. 80
12.1.2 Editing an Entry ................................................................................. 81
12.1.3 Deleting an Entry............................................................................... 82
12.2 Group Directory ........................................................................................... 83
12.2.1 Adding an Entry ................................................................................. 83
12.2.2 Editing an Entry ................................................................................. 84
12.2.3 Deleting an Entry............................................................................... 85
12.3 Channel Change Mode ............................................................................... 85
12.4 Individual Acknowledgement ....................................................................... 86
12.5 Position Acknowledgement ......................................................................... 86
12.6 Test Acknowledgement ............................................................................... 87
12.7 Auto Position Interval .................................................................................. 87
12.8 Timeout ....................................................................................................... 88
13.
ATIS SETUP ....................................................................... 89
13.1 How to Enter the ATIS ID ............................................................................ 89
13.2 How to Enable/Disable the ATIS Feature .................................................... 89
14.
MAINTENANCE AND TROUBLESHOOTING .................... 91
14.1 General Maintenance .................................................................................. 91
14.2 Troubleshooting .......................................................................................... 92
15.
INSTALLATION .................................................................. 94
15.1 Equipment Lists ........................................................................................... 94
15.2 Mounting ..................................................................................................... 96
15.2.1 How to Install the Radio .................................................................... 96
15.2.2 How to Install the Microphone ........................................................... 98
15.2.3 How to Install the Handset (Optional)................................................ 98
15.2.4 How to Install the Speaker (Optional)................................................ 99
15.3 Soft Cover ................................................................................................. 101
15.4 Wiring ........................................................................................................ 101
15.4.1 Overview ......................................................................................... 101
15.4.2 Antenna ........................................................................................... 102
15.4.3 Ground Cable .................................................................................. 104
15.4.4 Power Cable.................................................................................... 104
15.4.5 NMEA2000 Connector (CAN bus connector) .................................. 106
iii
15.4.6 Extension Cable (Optional) ............................................................. 106
CHANNEL ASSIGNMENTS ........................................................ 108
MENU TREE ............................................................................... 116
SPECIFICATIONS ...................................................................... 119
PACKING LIST ........................................................................... 121
OUTLINE DRAWINGS ................................................................ 125
INTERCONNECTION.................................................................. 132
TOOLS ........................................................................................ 133
iv
FOREWORD
A Word to the Owner of the FM-4800
FURUNO Electric Company thanks you for purchasing the FM-4800 Marine VHF
Radiotelephone. We are confident you will discover why the FURUNO name has
become synonymous with quality and reliability.
Since 1948, FURUNO has enjoyed an enviable reputation for quality and reliability
throughout the world. This dedication to excellence is furthered by our extensive
global network of agents and dealers.
Your equipment is designed and constructed to meet the rigorous demands of the
marine environment. However, no machine can perform its intended function unless
properly installed and maintained. Please carefully read and follow the operation,
installation and maintenance procedures set forth in this manual.
We would appreciate feedback from you, the end-user, about whether we are
achieving our purposes.
Thank you for considering and purchasing FURUNO.
Features
FURUNO FM-4800 Marine VHF Radiotelephone supports the following features:















All-in-One Marine VHF Radiotelephone
25 W or 1 W RF Output Power
Class D DSC with Distress, Individual and All Ship calls
Built-in AIS receiver
Built-in high-sensitivity GNSS receiver
30 W PA/Loud Hailer with automatic fog signals and listen back
NMEA2000 & NMEA0183 interface
Dual station with optional handset HS-4800
ATIS mode available for inland waterway in Europe
Pre-programmed frequency band for USA, Canadian and International marine
channels, plus 10 weather channels where available
Initiate DSC call directly from NavNet TZtouch2 series when connected
(Version 1950152-06.01 or later)
Fully-waterproofed transceiver, microphone and handset (IP67)
Quick access to channel 16/9
Display GNSS Navigation information (LAT/LON, SOG, COG)
Program No.: FM-4800: 0550257-01.**; HS-4800 : 0550259-01.**. (** denotes
minor modifications.)
SYSTEM CONFIGURATION
HANDSET
HS-4800
SPEAKER
SP-4800
Navnet
Tztouch/2
VHF ANT
NMEA2000
EXTENSION
CABLE
12VDC
External
Speaker
Horn
Speaker
NAV
EQUIPMENT
NMEA0183
MARINE VHF
RADIOTELEPHONE
FM-4800
MICROPHONE
MIC-4800
Standard Supply
Optional Supply
Local Supply
1. GETTING STARTED
1.1 Emergency Call (CH16)
CH16 is known as the Hail and Distress Channel. When an emergency occurs, be
sure the radio is on and set to CH16. Then do as follows:
Step 1
Press the Push-To-Talk (PTT) key of the microphone or handset and say
"Mayday, Mayday, Mayday. This is XXXXX, XXXXX, XXXXX" (your
vessel's name).
Step 2
Then repeat once: "Mayday, XXXXX" (your vessel's name).
Step 3
Report your position in latitude/longitude, or give a true or magnetic
bearing to a well-known landmark such as a navigation aid or geographic
feature such as an island or harbor entry.
Step 4
Report the nature of your distress (sinking, collision, aground, fire, piracy,
life-threatening injury, etc.).
Step 5
State the kind of assistance you desire (pumps, medical aid, etc.).
Step 6
Report the number of persons aboard and condition of them.
Step 7
Estimate the present seaworthiness and condition of your vessel.
Step 8
Give your vessel's description: length, design (power or sail), color and
other distinguishing marks.
Step 9
Say "over" to end the message. Release the PTT switch and listen.
Step 10
Optional: If there is no answer, repeat the above procedure. If there is still
no response, try another channel.
Note

The total transmission should be within one minute.

The FM-4800 has DSC Distress calling, which can send a distress call
digitally to all ships with compatible DSC radios. For more information, see
section 4 DIGITAL SELECTIVE CALLING.

If the emergency call is accidentally sent, please refer to "Sending a distress
cancel call" in paragraph 4.3.1.
1.2 How to Call another Channel (CH16 or CH9)
CH16 (or CH9, depending on area) should be used as the calling channel for initial
contact with another vessel. However, its primary purpose is for emergency
communications and should be monitored at all times when the radio is not using
other channels.
CH16 or CH9 is monitored by other vessels and Coast Guard stations in all
countries.
The use of CH16 or CH9 should be limited to making initial contact only. A call
should be within 1 minute, but can be repeated at a 2-minute interval.
Before contact another vessel, refer to the channel charts in the Appendix and select
a proper channel (working channel) for use after initial contact. Monitor the proposed
channel to ensure you won't be interrupting other traffic and then go back to CH16 to
make your initial call.
When CH16 is clear, state the name of the vessel you wish to call and the "this is"
followed by the name of your vessel and your vessel call sign. When the other vessel
returns your call, immediately request another channel by saying "go to", the
number of the other channel, and "over". Then switch to the new channel. When the
new channel is not busy, call the vessel.
After a transmission, say "over", and release the PTT switch on the microphone.
When all communication with the vessel is completed, end the last transmission by
stating your call sign and the word "out". Note that you do not need to state your call
sign with each transmission, only at the beginning and end of the contact.
Remember to return to CH16 when not using another channel. Some radios
automatically monitor CH16 even when set to other channels or when scanning.
1.3 Channels 13 and 67 (USA Channel Group only)
Channel 13 is used at docks and bridges and by vessels maneuvering in port.
Messages on this channel must concern navigation only, such as meeting and
passing in restricted waters.
Channel 67 is used for navigational traffic between vessels.
By regulation, power is normally limited to 1 Watt on these channels. Your radio is
programmed to automatically reduce power to this limit on these channels. However,
in emergency situations it may be temporarily use a higher power. See section 2
CONTROLS for how to temporarily override the low-power limit on these two
channels.
2. CONTROLS
This section describes the controls of the radio FM-4800, the microphone MIC-4800,
the handset HS-4800.
2.1 Radio
No.
Description
[DISTRESS]: Distress Key
 Short press: Enter the distress nature selection and position manual
input menu
 Long press: Press the DISTRESS key for 4 seconds to send a distress
call.
[VOL/SQL]: Volume / Squelch Control
 Press: Switch between the volume adjust screen and the squelch adjust
screen
 Rotate

On "SQUELCH" or "VOLUME" screen: Adjust the squelch or volume
level

On other screens: Adjust the volume
[MENU/DSC]: Menu / Digital Selective Calling (DSC) Control
 On the home screen:

Press: Enter "MAIN MENU"

Rotate: Switch to a channel
 On other screens:

Press: Select item or confirm the selection

Rotate: Move to other item or select a number
No.
Description
 Short press: Enter the display setup mode
 Long press: Power on or power off
]: On / Off Key
]: Back Key
 On the home screen: No function
 On other screens:
 Short press: Clear entries, cancel calls, backspace the cursor, or back
up to the previous screen
 Long press: Return to the home screen
[16/+]: 16/+ Key
Press the key to cancel all other modes and to tune into the priority channels
(CH16 and CH9). Press the key again to return to the previously selected
working channel.
Note
CH9 is used in some parts of the world as an alternative hailing channel to
CH16.
2.2 Microphone
No.
Description
[PTT]: Push-to-Talk Key
Press and hold the key in radio mode to enable the radio for voice
communication.
Note:
When the PTT key on the microphone is pressed continuously, transmission
time is limited to five minutes. This limits unintentional transmissions due to a
stuck PTT key.
In addition, Power is automatically reduced to protect against overheating
due to continuous transmission.
]: Cursor Key
Changes the channel up or down.
[HI/LO]: High / Low Power Switch
Press the switch to toggle between 25 W (High) and 1 W (Low)
[16/+]: 16/+ Key
Press the key to cancel all other modes and to tune into the priority channels
(CH16 and CH9). Press the key again to return to the previously selected
working channel.
Note
CH9 is used in some parts of the world as an alternative calling channel to
CH16.
2.3 Handset
No.
Description
[PTT]: Push-to-Talk Key
The transmitter is enabled for voice communications with another
vessel.
Note:
When the PTT key on the microphone is pressed continuously,
transmission time is limited to five minutes. This limits unintentional
transmissions due to a stuck PTT key.
In addition, Power is automatically reduced to protect against
overheating due to continuous transmission.
[MENU/DSC]: Menu / Digital Selective Calling (DSC) Control
 On the home screen:

Press: Enter "MAIN MENU"

Rotate: Switch to a channel
 On other screens:

Press: Select item or confirm the selection

Rotate: Move to other item or select a number
No.
Description
[VOL/SQL]: Volume / Squelch Control
Press the key to switch between the volume adjust screen and the
squelch adjust screen.
[HI/LO]: High / Low Power Switch
Press the switch to toggle between 25 W (High) and 1 W (Low).
[DISTRESS]: Distress Key
 Short press: Enter the distress nature selection and position
manual input menu
 Long press: Press the DISTRESS key for 4 seconds to send a
distress call.
]: Back Key
 On the home screen: No function
 On other screens:
 Short press: Clear entries, cancel calls, backspace the cursor,
or back up to the previous screen
 Long press: Return to the home screen
[16/+]: 16/+ Key
Press the key to cancel all other modes and to tune into the priority
channels (CH16 and CH9). Press the key again to return to the
previously selected working channel.
Note
CH9 is used in some parts of the world as an alternative calling
channel to CH16.
[ ]: On / Off Key
Press the key to turn the handset on or off.
3. HOME SCREEN
No.
Description
: indicates high power such as 25 W.
: indicates low power such as 1 W.
: indicates internal and External GNSS.
This icon disappears if there is no GNSS data.
This icon flashes with 500ms when there is GNSS data before, but
current internal GNSS and External GNSS are not fixed.
: indicates unread DSC messages.
- : indicates the dual watch mode.
- : indicates the triple watch mode.
: This icon appears if user selects START of AUTO POS
POLLING->ACTIVATION.
This icon disappears if user selects END of AUTO POS
POLLING->ACTIVATION.
: indicates weather alert.
- : indicates battery strength more than 15.6V.
- : indicates battery strength lean than 10.5V.
Operational Status icon
(Rotates clockwise to indicate system is working)
-No icon：FM standby.
- ：Indicates reception.
- ：Indicates transmission.
10
No.
Description
Display location information including longitude, latitude, time, COG,
and SOG.
If there is no any information, it displays "NO GNSS DATA".
Note
10
There are three sensors including built-in sensor, NMEA2000 and
NMEA0183. The last two are external sensors. Their priorities in
descending order are described as follows:
1.
11
12 &
13
14
15
Built-in sensor: The GNSS data from this sensor enjoys the
highest priority.
2. NMEA2000: If no valid GNSS data is from the built-in sensor or
this sensor is disabled, the GNSS data from NMEA2000 will be
used.
3. NMEA0183: If no valid GNSS data from both the build-in sensor
and NMEA2000, the GNSS data from NMEA2000 will be used.
In non scan mode: display CH NAME.
In scan mode:
SCAN ALL: indicates that the user selects SCAN ALL
SCAN ALL+16: indicates that the user selects SCAN ALL+16
MEMORY SCAN: indicates that the user selects MEMORY SCAN
MEMORY SCAN +16: indicates that the user selects MEMORY
SCAN+16
Displays the current channel number.
Note: the channel number 12 is not displayed.
：Indicates that the current channel is simplex.
：Indicates that the current channel is duplex.
: This icon appears if CH GROUP is INT.
: This icon appears if CH GROUP is USA
: This icon appears if CH GROUP is CAN
: This icon appears if CH GROUP is USA or CAN, and
WEATHER MODE is ON.
11
4. DIGITAL SELECTIVE CALLING
4.1 General
Digital Selective Calling (DSC) is a semi-automated method to establish a radio call.
DSC has been designated by the International Maritime Organization (IMO) as an
international standard for establishing VHF, MF and HF radio calls. It has also been
designated as a part of the Global Maritime Distress and Safety System (GMDSS).
DSC replaces listening watches on distress frequencies and is used to broadcast
routine and urgent maritime safety information broadcasts.
This system allows mariners to instantly transmit a distress call with GNSS position
to the Coast Guard and other vessels within the range of the transmission. DSC also
allows mariners to initiate or receive distress, urgency, safety, routine, position
request, position transmit, and group calls to or from another vessel equipped with a
DSC radio.
4.2 Maritime Mobile Service Identity
4.2.1 What Is an MMSI?
An MMSI is a nine-digit number used on marine radios capable of using DSC. This
number is used like a telephone number to selectively call other vessels.
Note
To use the DSC functions, this vessel’s MMSI must be entered into the radio.
4.2.2 How to Enter Your MMSI Number
Caution
An MMSI can be entered only once. Therefore, be careful not to enter the wrong
MMSI number. If you need to change the MMSI number after it has been entered,
contact your dealer.
Step 1
Press the Menu/DSC control until the "MAIN MENU" appears.
Step 2
Step 3
Go to "DSC SETUP > SET MMSI".
Enter you MMSI number (nine digits).
If you enter a wrong digit, press the BACK key until the wrong digit is
selected, and then enter the correct digit.
Step 4
After you enter the MMSI number, press the Menu/DSC control to save
the number.
Step 5
Enter the MMSI number again, and then press the Menu/DSC control to
save the number.
12
4.3 DSC Distress Call
FM-4800 can send and receive DSC distress calls. When FM-4800 receives GNSS
signals, FM-4800 can also transmit the latitude and longitude of the vessel together
with the DSC distress call.
4.3.1 How to Initiate a DSC Distress Call
Note
To transmit a DSC distress call, this vessel’s MMSI number must be entered into
the radio. For information about how to enter the MMSI number, see section
4.2.2 How to Enter Your MMSI Number.
Initiate a DSC distress call without specifying the nature of
distress
The FM-4800 can transmit a DSC distress call without specifying the following
natural of distress categories: Undesignated, Fire, Flooding, Collision, Grounding,
Listing, Sinking, Adrift, Abandoning, Piracy, and MOB (Man Overboard).
Step 1
Open the cover labeled "DISTRESS".
Step 2
Press and hold the Distress key (about 4 seconds). The unit beeps and
the display shows the time remaining until the distress signal is sent.
After the distress signal is sent, the radio waits for an acknowledgement with the
display showing "AWAIT ACK".
If no acknowledgement is received, the distress signal is repeated at
3.5-to-4.5-minute intervals, until a DSC acknowledgement is received.
Step 3
When you receive the DSC acknowledgement, select "ACCEPT".
If the radio does not stay on CH16, you need to select "Accept".
13
If the radio already stays on CH16, skip this step.
Step 4
Press and hold the PTT key to announce your situation on CH16.
Initiate a DSC distress call with the nature of distress specified
The FM-4800 is capable of transmitting a DSC distress call with the following
distress categories: Undesignated, Fire, Flooding, Collision, Grounding, Listing,
Sinking, Adrift, Abandoning, Piracy, and MOB (Man Overboard).
Step 1
Open the cover labeled "DISTRESS".
Step 2
Short-press the Distress key.
The "DISTRESS" screen appears.
Step 3
Select "NATURE".
Step 4
Select the nature of the distress.
Step 5
Press and hold the Distress key (about 4 seconds). The unit beeps and
the display shows the time remaining until the distress signal is sent.
The "NATURE" screen appears.
Step 6
After the distress signal is sent, the radio waits for an acknowledgement with the
display showing "AWAIT ACK".
If no acknowledgement is received, the distress signal is repeated at
3.5-to-4.5-minute intervals, until a DSC acknowledgement is received.
When you receive the DSC acknowledgement, select "ACCEPT".
Step 7
Press and hold the PTT key to announce your situation on CH16.
14
Initiate a DSC distress call with manually inputted position
If no position data is available at the time of distress, you can enter the latitude and
longitude position of your vessel manually when you send a DSC distress call.
Step 1
Step 2
Open the cover labeled "DISTRESS".
Short-press the Distress key.
The "DISTRESS" screen appears.
Step 3
Select "POS".
Step 4
Rotate and press the Menu/DSC control to enter the latitude and longitude
of your vessel and current UTC time in 24-hour format.
Step 5
Press and hold the Distress key (about 4 seconds). The unit beeps and
the display shows the time remaining until the distress signal is sent.
After the distress signal is sent, the radio waits for an
acknowledgement with the display showing "AWAIT ACK".
If no acknowledgement is received, the distress signal is repeated at
3.5-to-4.5-minute intervals, until a DSC acknowledgement is
received.
Step 6
When you receive the DSC acknowledgement, select "ACCEPT".
Step 7
Press and hold the PTT key to announce your situation on CH16.
Pause a DSC distress call
After a DSC distress call is sent, the DSC distress call is repeated at
3.5-to-4.5-minute intervals until the call is canceled by the user, until an
acknowledgement is received, or until the radio is turned off. The FM-4800 has a
provision to pause the retransmitting of the distress call. To pause the distress call,
select "PAUSE".
Restart the DSC distress call
After you select “PAUSE”, the button is switched to "RESUME". At this time, you can
select "RESUME" to restart the DSC distress call.
Sending a distress cancel call
When the emergency is released, you can cancel the distress call.
Step 1
On the "CALL TRANSMITTED" interface, select "CANCEL".
15
Step 2
Select "YES".
Step 3
Select "OK".
Step 4
Press and hold the PTT key to announce your situation.
16
Step 5
Select "OK" to return to the home screen.
4.3.2 How to Receive a DSC Distress Call
Step 1
When a DSC distress call is received, the emergency alarm sounds.
Rotate the Menu/DSC control to stop the alarm.
Step 2
Optional: The display shows the MMSI of the vessel in distress. To show
additional information of the vessel in distress, select "INFO", and then
select "OK".
Step 3
To accept the distress call, select "ACCEPT".
The radio switches to CH16 automatically.
Note
Step 4
If you press "CANCEL", the radio quits the automatic switching to
CH16 and reverts to the last selected working channel.
Listen on CH16 for five minutes.
4.4 Individual Call
This feature allows you to contact a vessel with the DSC feature.
Caution
To make a DSC individual call, the radio of the receiving party should be set to
manually acknowledge the individual call request from the initiating party.
Otherwise, the radio of the receiving party will automatically send an "unable to
acknowledge" message and the individual call cannot be established. For
information about how to set it, see 11.4 Individual Acknowledgement.
17
4.4.1 How to Initiate an Individual Call
Enter the individual call interface
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "DSC CALL > INDIVIDUAL".
The "INDIVIDUAL" interface appears on the screen.
Initiate an individual call to a vessel registered in the individual
directory
Before you initiate an individual call from the individual directory, a vessel or
person's name and the MMSI number associated with the vessel you want to
transmit the call should be added to the individual directory. For information about
how to add entries to individual directory, see section 11.1.1 Adding an Entry.
Step 1
On the "INDIVIDUAL" interface, select "DIRECTORY".
Step 2
Select an individual contact, and then press the Menu/DSC control to
enter the "SELECT CH" interface.
Step 3
Select a channel.
Step 4
Press the Menu/DSC control to initiate an individual call.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
18
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 5
When the radio receives an acknowledgement, an alarm sounds and the
working channel changes to the channel selected in Step 3. Select "OK"
on the screen.
Step 6
Press and hold the PTT key to talk into the microphone.
Initiate an individual call from the "RECENT CALLS"
Step 1
On the "INDIVIDUAL" interface, select "RECENT CALLS".
Step 2
Select an individual contact, and then press the Menu/DSC control to
enter the "SELECT CH" interface.
Step 3
Select a channel.
Step 4
Press the Menu/DSC control to initiate an individual call.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle. "A1" indicates the alias of
called party. If the called party has no alias, the MMSI of called party
will appear.
19
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 5
When the radio receives an acknowledgement, an alarm sounds and the
working channel changes to the channel selected in Step 3. Select "OK"
on the screen.
Step 6
Press and hold the PTT key to talk into the microphone.
Initiate an individual call by manually entering an MMSI number
Step 1
On the "INDIVIDUAL" interface, select "MANUAL ID".
Step 2
Enter the MMSI of your desired individual contact, and then press the
Menu/DSC control to enter the "SELECT CH" interface.
Step 3
Select a channel.
Step 4
Press the Menu/DSC control to initiate an individual call.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
20
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 5
When the radio receives an acknowledgement, an alarm sounds and the
working channel changes to the channel selected in Step 3. Select "OK"
on the screen.
Step 6
Press and hold the PTT key to talk into the microphone.
4.4.2 How to Receive an Individual Call
The channel change of your radio has two modes: "AUTO" and "MANUAL". When
you select "AUTO", the radio automatically switch to the designated channel after 10
seconds without user intervention. When selecting "MANUAL", you need to
manually change the channel. For information about how to set the channel change
mode, see section 11.3 Channel Change Mode.
When the channel change mode is "AUTO"
Step 1
When an individual call is received, the alarm sounds. Rotate the
Menu/DSC control to stop the alarm.
The radio screen shows the MMSI of the calling vessel and three soft keys:
"ACCEPT", "REJECT", and "PAUSE". If the requested channel cannot
comply, the screen only shows two soft keys: "REJECT" and "CANCEL".
21
 ACCEPT: Select the soft key to continue with the call and switch to the
requested channel.
 REJECT: Select the soft key to reject the call. After you select
"REJECT", the following screen appears. Select a reason for rejecting
the call, and then an "UNABLE ACK" message is sent. After the
message is sent, the radio returns to the home screen and the channel
remains unchanged.
 PAUSE: Select the soft key to pause the call and timing and temporarily
disable automatic switching to the requested channel. You can resume
the call by pressing the "RESUME" soft key.
Step 2
Select "ACCEPT".
 When CH70 is busy, you can wait without pressing any key until CH70
is idle.
 When CH70 is idle, the radio sends an acknowledgement and the
requested channel is selected, ready for a conversation.
Note
Step 3
If no key is pressed within 10 seconds, the radio automatically sends an
acknowledgement and switches to the requested channel when CH70 is idle.
Otherwise, the radio will wait until CH70 is idle.
Press and hold the PTT key to talk into the microphone.
22
When the channel change mode is "MANUAL"
Step 1
When an individual call is received, the alarm sounds. Rotate the
Menu/DSC control to stop the alarm.
The following screen appears. The screen shows the MMSI of the vessel
calling and three soft keys:"ACCEPT", "REJECT", and "CANCEL". If the
requested channel cannot comply, the screen only shows two soft keys:
"REJECT" and "CANCEL".
 ACCEPT: Select the soft key to continue with the call and switch to the
requested channel.
 REJECT: Select the soft key to reject the call. After you select
"REJECT", the following screen appears. Select a reason for rejecting
the call, and then an "UNABLE ACK" message is sent. After the
message is sent, the radio returns to the home screen and the channel
remains unchanged.
 CANCEL: Select the soft key and then the radio returns to the home
screen and the channel remains unchanged.
Step 2
Select "ACCEPT".
Note
When CH70 is busy, the radio will wait until CH70 is idle.
Then the radio sends an acknowledgement and the requested channel
is selected, ready for a conversation.
Step 3
Press and hold the PTT key to talk into the microphone.
23
4.5 Group Call
This feature allows you to contact a group of specific vessels (for example, members
of a yacht club) using DSC radios that have a group call function. When a group call
is sent, all DSC radios in the group automatically switch to the channel specified in
the call to prepare for voice communications. This feature is useful for yacht clubs
and vessels traveling together that want to collectively make announcements on a
predetermined channel. Up to 40 group call MMSIs can be programmed.
4.5.1 How to Initiate a Group Call
Enter the group call interface
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "DSC CALL > GROUP".
The "GROUP" interface appears on the screen.
Register a group call
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "DSC SETUP > GROUP DIRECTORY".
Step 3
Select "ADD ENTRY" to register a group.
24
Step 4 Rotate and press the Menu/DSC control to enter a new group name and
MMSI.
The maximum of entries is 40.
Initiate a group call to a group registered in the directory
Step 1
On the "GROUP" interface, select "DIRECTORY".
Step 2
Select a group, and then press the Menu/DSC control to enter the
"SELECT CH" interface.
Step 3
Select a channel.
Step 4
Press the Menu/DSC control to initiate a group call.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle. "G1" is the alias of the
25
group to be called. If the group has no alias, the MMSI of this group will
appear.
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 5
Select "OK" to return to the home screen.
Step 6
Press and hold the PTT key to talk into the microphone.
Initiate a group call from the "RECENT CALLS"
Step 1
On the "GROUP" interface, select "RECENT CALLS".
Step 2
Select a group, and then press the Menu/DSC control to enter the
"SELECT CH" interface.
Step 3
Select a channel.
Step 4
Press the Menu/DSC control to initiate a group call.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
26
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 5
Select "OK" to return to the home screen.
Step 6
Press and hold the PTT key to talk into the microphone.
Initiate a group call by manually entering a group ID
Step 1
On the "GROUP" interface, select "MANUAL ID".
Step 2
Select a group, and then press the Menu/DSC control to enter the
"SELECT CH" interface.
Step 3
Select a channel.
Step 4
Press the Menu/DSC control to initiate a group call.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
27
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 5
Select "OK" to return to the home screen.
Step 6
Press and hold the PTT key to talk into the microphone.
4.5.2 How to Receive a Group Call
When the channel change mode is "AUTO"
Step 1
When a DSC Distress Alert is received, the alarm sounds. Rotate the
Menu/DSC control to stop the alarm.
The screen shows the MMSI of the vessel calling and three soft keys:
"ACCEPT", "CANCEL", and "PAUSE".
 ACCEPT: Select the soft key to continue with the call and switch to the
requested channel.
 Cancel: Select the soft key to cancel the automatic channel switching.
The radio returns to the home screen and the channel remains
unchanged.
 PAUSE: Select the soft key to pause the call and timing. You can
resume the call by pressing the "RESUME" soft key.
28
Step 2
Select "ACCEPT" to switch to the requested channel.
Note
Step 3
If no key is pressed within 10 seconds, the radio automatically switches to
the requested channel.
Press and hold the PTT key to talk into the microphone.
When the channel change mode is "MANUAL"
Step 1
When a DSC Distress Alert is received, the alarm sounds. Rotate the
Menu/DSC control to stop the alarm.
The screen shows the MMSI of the vessel calling and two soft keys:
"ACCEPT" and "PAUSE".
 ACCEPT: Select the soft key to continue with the call and switch to the
requested channel.
 Cancel: Select the soft key to cancel the call. The radio returns to the
home screen and the channel remains unchanged.
Step 2
Select "ACCEPT" to switch to the requested channel.
Step 3
Press and hold the PTT key to talk into the microphone.
4.6 All Ships Call
This feature allows you to initiate a safety call or an urgency call to DSC-equipped
vessels without having their MMSIs in the directory or receive a safety call or an
urgency call.
29
 Safety call: This type of call is used to transmit safety information (for example,
an overdue boat, debris in the water, loss of a navigation aid, and an important
meteorological message) to other vessels. This call is the same as saying
"Security, Security, Security".
 Urgency call: This type of call is used when a vessel may not truly be in distress,
but has a potential problem that may lead to a distress situation. This call is the
same as saying "Pan-Pan-Pan" on CH16.
4.6.1 How to Initiate an All Ships Call
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" on the screen.
Step 2
Go to "DSC CALL > ALL SHIPS".
The "ALL SHIPS" interface appears on the screen.
Step 3
Select the category of the call ("SAFETY" or "URGENCY").
Step 4
Select a channel.
Step 5
Press the Menu/DSC control to initiate a group call.
 When CH70 is busy, you can wait without pressing any key until CH70
is idle.
 When CH70 is idle, the All Ships call is transmitted, and the radio
switches to the selected channel.
Step 6
Select "OK" to return to the home screen.
Step 7
Press and hold the PTT key to talk into the microphone.
30
4.6.2 How to Receive an All Ships Call
The channel change of your radio has two modes: "AUTO" and "MANUAL". Different
channel change modes lead to different operations when you receive an All Ships
call. For information about how to set the channel change mode, see section 11.3
Channel Change Mode.
When the channel change mode is "AUTO"
Step 1
When an All Ships call is received, an emergency alarm sounds. Rotate
the Menu/DSC key to stop the alarm.
The following screen appears. The screen shows the MMSI of the vessel
calling and three soft keys:"ACCEPT","CANCEL", and "PAUSE". If the
requested channel cannot comply, the screen only shows the "CANCEL"
soft key.
 ACCEPT: Select the soft key to continue with the call and switch to the
requested channel.
 CANCEL: Select the soft key to cancel the automatic channel switching.
The radio returns to the home screen and the channel remains
unchanged.
 PAUSE: Select the soft key to pause the call and timing and temporarily
disable automatic switching to the requested channel. You can resume
the call by pressing the "RESUME" soft key.
Note
If no key is pressed within 10 seconds, the radio automatically
switches to the requested channel. After 10 seconds, the
countdown appears next to "REPLY ON CH16".
[10] indicates that the 10 seconds countdown appears next to
"REPLY ON CH16".
Step 2
Select "ACCEPT" to continue with the call.
The radio monitors the reply on channel until the All Ships call is
completed.
31
When the channel change mode is "MANUAL"
Step 1
When an All Ships call is received, an emergency alarm sounds. Press
any key to stop the alarm.
The following screen appears. The screen shows the MMSI of the vessel
calling and two soft keys: "ACCEPT" and "CANCEL". If the requested
channel cannot comply, the screen only shows the "CANCEL" soft key.
 ACCEPT: Select the soft key to continue with the call and switch to the
requested channel.
 CANCEL: Select the soft key and then the radio returns to the home
screen and the channel remains unchanged.
Step 2
Select "ACCEPT" to continue with the call.
The radio monitors the requested channel until the All Ships call is
completed.
4.7 Position Request Call
The radio with DSC the feature can poll the location of another vessel and show the
position of that vessel on the radio screen.
4.7.1 How to Initiate a Position Request Call
Enter the position request interface
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" interface on the screen.
Step 2
Go to "DSC CALL > POS REQUEST".
The "POS REQUEST" interface appears on the radio screen.
32
Initiate a position request call to a vessel registered in the
directory
Before you initiate a position request call from the individual directory, a vessel or
person's name and the MMSI number associated with the vessel you want to
transmit the call should be added to the individual directory. For information about
how to add entries to individual directory, see section 11.1.1 Adding an Entry.
Step 1
On the "POS REQUEST" interface, press the Menu/DSC control to select
"DIRECTORY".
Step 2
Select an individual contact, and then press the Menu/DSC control.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
33
Step 3
When the radio receives an acknowledgement, the radio screen shows
the requested position information. Select the "OK" soft key or the Back
key to return to the home screen.
Note
If the requested vessel cannot obtain its position, your radio will
receive false position information as shown below.
Initiate a position request call from the "RECENT CALLS"
Step 1
Step 2
On the "POS REQUEST" interface, select "RECENT CALLS".
Select an individual contact, and then press the Menu/DSC control.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
34
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 3
When the radio receives an acknowledgement, the radio screen shows
the requested position information. Select the "OK" soft key or the Back
key to return to the home screen.
Note
If the requested vessel cannot obtain its position, your radio will
receive false position information as shown below.
Initiate position request call by manually entering an MMSI
number
Step 1
On the "POS REQUEST" interface, select "MANUAL ID".
35
Step 2
Rotate and press the Menu/DSC control to enter the MMSI of an individual
contact, and then press the Menu/DSC control.
 When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
 When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
Step 3
When the radio receives an acknowledgement, the radio screen shows
the requested position information. Select the "OK" soft key or the Back
key to return to the home screen.
Note
If the requested vessel cannot obtain its position, your radio will
receive false position information as shown below.
36
4.7.2 How to Receive a Position Request Call
The "POSITION ACK" has three options: "MANUAL", "AUTO", and "IGNORE". For
information about how to set the "POSITION ACK", see section 11.5 Position
Acknowledgement. When "POSITION ACK" is set to "IGNORE", your radio has no
response or log. When it is set to other values, do as follows.
When "POSITION ACK" is set to "MANUAL"
Step 1
When a DSC position request call is received, the alarm sounds. Rotate
the Menu/DSC control to stop the alarm.
Step 2
Select "REPORT" to send your position.
 When CH70 is busy, you can wait without pressing any key until CH70
is idle.
 When CH70 is idle, the radio sends an acknowledgement and the
position is transmitted.
Step 3
After the position is transmitted, select "OK" to return to the home screen.
37
When "POSITION ACK" is set to "AUTO"
When a DSC position request call is received, the radio automatically sends the
position information to the requested radio.
Note
When CH70 is busy, you can wait without pressing any key until CH70 is idle.
Then the radio automatically sends the position information.
After the position information is sent, the following interface appears on the screen.
Select "OK" to return to the home screen.
4.8 Auto Position Polling
This feature allows FM-4800 to automatically send a position request call at certain
intervals.
This feature must first be enabled from the "ACTIVATION" menu, then the vessel
addresses must be set from the "SELECT ADDRESS" menu.
Also, you can monitor the position of the selected vessel from the "MONITOR
POSITION" menu.
4.8.1 How to Enable the Auto Position Polling
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
38
Step 2
Go to "DSC CALL > AUTO POS POLLING".
The "AUTO POS POLLING" interface appears on the screen.
Step 3
Select "ACTIVATION".
The "ACTIVATION" interface appears on the screen. The screen shows
two soft keys: "START" and "STOP".
 START: Select the soft key to start automatic position polling. If there is
no address to poll, the radio rings the wrong beep.
 STOP: Select the soft key to stop automatic position polling.
Step 4
Select "START" to activate the automatic position polling.
The radio returns to the previous screen.
4.8.2 How to Select Vessels to Which the Radio Sends Auto
Position Request Calls
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "DSC CALL > AUTO POS POLLING".
The "AUTO POS POLLING" interface appears on the screen.
39
Step 3
Select "SELECT ADDRESS".
The "SELECT ADDRESS" interface appears on the screen.
You can add at most four directories.
Step 4
Select a directory.
Note
You need to select at least one directory first to start the auto
position polling.
4.8.3 How to Monitor Position
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "DSC CALL > AUTO POS POLLING".
The "AUTO POS POLLING" interface appears on the screen.
40
Step 3
Select "MONITOR POSITION".
The "MONITOR POSITION" interface appears on the screen. "A0-A3"
indicated the alias.
Step 4
Select a directory to view the latest position information of the
corresponding vessel.
If the radio does not receive an acknowledgement, the display shows the
following interface.
Step 5
Select "OK" to return to the previous screen.
4.9 DSC Log
This feature allows the FM-4800 to record calls for review.
icon appears in the log to indicate an unread received call message. The
FM-4800 can store logs for the latest 40 received distress calls, the latest 10
received position request calls, the latest 40 received other calls, the latest 40
transmitted calls, and the latest 10 transmitted acknowledges.
41
The "RX POS REQ LOG" and "TX ACK LOG" are cleared each time the equipment
is restarted.
To view a log, do as follows:
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Select "DSC CALL".
Step 3
Select "DSC LOG" to enter the "DSC LOG" interface on the screen.
Step 4
Select the DSC log type you want to view.
Step 5
Select a log you want to view.
You can initiate the call again or delete the log by pressing the "CALL" or
"DELETE" soft key on the screen.
4.10 DSC Test
This feature allows you to test whether your DSC radio can communicate normally
with another DSC radio. To use this feature, the radio that you send the test call to
must have the DSC Test feature. After the DSC test, voice communication is not
allowed.
Note
To make a DSC test call, this vessel’s MMSI number must be entered into the
radio. For information about how to enter the MMSI number, see section 4.2.2
How to Enter Your MMSI Number.
42
Enter the DSC test interface
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Select "DSC CALL".
Step 3
Select "DSC TEST" to enter the "DSC TEST" interface on the screen, as
shown below.
Initiate a DSC test call to a vessel registered in the individual
directory
Before you initiate a DSC test call from the individual directory, a vessel or person's
name and the MMSI number associated with the vessel you want to transmit the call
to should be added to the individual directory. For information about how to add
entries to individual directory, see section 11.1.1 Adding an Entry.
Step 1
On the "DSC TEST" interface, select "DIRECTORY".
Step 2
Select an individual contact.
Step 3
Press the Menu/DSC control to send the DSC test call.
Your radio waits for an acknowledgement from the radio you called.
43
Step 4
When the radio receives an acknowledgement, an alarm sounds and the
following page appears. It means the radio you called has received the call.
Select "OK" to return to the previous screen.
Initiate a DSC test call from the "RECENT CALLS"
Step 1
On the "DSC TEST" interface, select "RECENT CALLS".
Step 2
Select an individual contact.
Step 3
Press the Menu/DSC control to send the DSC test call.
Your radio waits for an acknowledgement from the radio you called.
44
Step 4
When the radio receives an acknowledgement, an alarm sounds and the
following page appears. It means the radio you called has received the call.
Select "OK" to return to the previous screen.
Initiate a DSC test call by manually entering an MMSI number
Step 1
On the "DSC TEST" interface, rotate and press the Menu/DSC control to
select "MANUAL ID".
Step 2
Rotate and press the MENU/DSC control to enter the MMSI of a vessel
that you want to contact.
Step 3
Press the Menu/DSC control to send the DSC test call.
Your radio waits for an acknowledgement from the radio you called.
45
Step 4
When the radio receives an acknowledgement, an alarm sounds and the
following page appears. It means the radio you called has received the call.
Select "OK" to return to the previous screen.
46
5. CHANNEL WATCH
5.1 Dual Channel
Dual channel scans two channels for communications. One channel is a normal VHF
channel and the other is CH16. The following is how the DUAL CH feature works
when a signal is received on one of the channel:
 If a signal is received on the normal channel, the radio quickly switches between
the normal channel and CH16 to look for a transmission.
 If a signal is received on CH16, the radio stops and listens only to CH16 until
communication ends and then starts DUAL CH scan again.
Step 1
Press and rotate the Volume/Squelch control to adjust the squelch until
the background noise disappears.
Step 2
On the home screen, rotate the Menu/DSC control to select a channel to
DUAL CH with CH16.
Step 3
Press the Menu/DSC control to enter the "MAIN MENU" interface.
Step 4
Select "CH WATCH".
Step 5
Select "DUAL WATCH".
The radio returns to the home screen. The display alternately scans
between CH16 and the channel that is selected in step 2.
Step 6
To stop DUAL WATCH, press the Back key or the Menu/DSC control.
5.2 Triple Channel
Triple channel scans three channels for communications: CH16, the second priority
channel, and a normal VHF channel. The following is how the TRIPLE CH feature
works:
 If a signal is received on the normal channel, the radio quickly switches among
the normal channel, second priority channel, and CH16 to look for a
transmission.
47
 If a signal is received on CH16, the radio stops and listens only to CH16 until
communication ends and then starts TRIPLE CH scan again.
For information about how to set the second priority channel, see section 10.2
Second Priority Channel.
Step 1
Press and rotate the Volume/Squelch control to adjust the squelch until
the background noise disappears.
Step 2
On the home screen, rotate the Menu/DSC control to select a channel to
watch with CH16 and the second priority channel.
Step 3
Press the Menu/DSC control to enter the "MAIN MENU" interface.
Step 4
Select "CH WATCH".
Step 5
Select "TRIPLE CH"
The radio returns to the home screen. The display alternately scans
among CH16, the second priority channel, and the channel that is selected
in step 2.
Step 6
To stop TRIPLE CH, press the Back key or the Menu/DSC control.
48
6. SCAN
This feature allows you to select a scan mode to find the broadcasting channels. The
available scan modes are as follows: SCAN ALL, SCAN ALL + 16, MEMORY SCAN,
and MEMORY SCAN + 16.
6.1 Scan All
Scan All mode scans all channels in sequence.
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "SCAN > SCAN ALL".
Step 3
To stop scanning, press the Back key or the Menu/DSC control.
The radio starts to scan all channels.
6.2 Scan All + 16
Scan All + 16 mode scans all channels in sequence, and checks CH16 between two
channels.
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "SCAN > SCAN ALL+16".
The radio starts to scan all channels in sequence, and checks CH16 after
each programmed channel.
Step 3
To stop scanning, press the Back key or the Menu/DSC control.
6.3 Memory Scan
Memory Scan mode scans all memory channels in sequence.
Note
Before you enable the Memory Scan mode, at least two channels should be set
as memory channels. For information about how to set memory channels, see
section 6.5 Editing Memory Channel List.
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "SCAN > MEMORY SCAN".
The radio starts to scan all memory channels in sequence.
Step 3
To stop scanning, press the Back key or the Menu/DSC control.
49
6.4 Memory Scan + 16
Memory Scan + 16 mode scans all memory channels in sequence, and checks
CH16 after each programmed channel.
Note
Before you enable the Memory Scan +16 mode, at least one channel should be
set as the memory channel. For information about how to set memory channels,
see section 6.5 Editing Memory Channel List.
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "SCAN > MEMORY SCAN+16".
The radio starts to scan all memory channels in sequence, and checks
CH16 after each memory channel.
Step 3
To stop scanning, press the Back key or the Menu/DSC control.
6.5 Editing Memory Channel List
This feature allows you to add channels to or remove channels from the memory
channel list. Channels in the memory channel list are what the Memory Scan mode
scans.
How to add all channels to the memory channel list
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "SCAN > EDIT MEMORY CH > SELECT ALL".
"MEM" icons appear after each channel number.
Step 3
Press the Back key to return to the previous screen.
How to remove all channels from the memory channel list
When all programmed channels are added to the memory channel list, you can do
as follows to remove all channels from the list.
50
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "SCAN > EDIT MEMORY CH > ALL OFF".
"MEM" icons disappear on the display.
Step 3
Press the Back key to return to the previous screen.
How to add a channel to the memory channel list
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Select "SCAN > EDIT MEMORY CH".
Step 3
Select a channel to be scanned.
Step 4
Press the Menu/DSC control to set the channel to a memory channel.
Step 5
Press the Back key to return to the previous screen.
The "MEM" icon appears on the display.
How to remove a channel from the memory channel list
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Select "SCAN > EDIT MEMORY CH".
Step 3
Rotate the Menu/DSC control to select a channel to be removed from the
memory channel list.
51
Step 4
Press the Menu/DSC control to remove the channel from the memory
channel list.
The "MEM" icon disappears on the display.
Step 5
Press the Back key to return to the previous screen.
52
7 Weather Mode
7. Weather Mode
When the product works on the USA or CAN channel, the weather mode is enabled.
In this case, you can monitor the weather report from National Oceanographic and
Atmospheric Administration (NOAA).
Weather mode
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Select "WEATHER MODE".
The weather mode interface appears on the screen.
In weather mode, you can rotate the Menu/DSC to select a NOAA channel to
monitor. What you selected would be mark as last used weather channel.
NOAA weather alert
In the event of extreme weather disturbances, such as storms and hurricanes, the
NOAA sends a weather alert accompanied by a 1050Hz tone and subsequent
weather report on one of the NOAA weather channels.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Select "GENERAL SETUP >WEATHER ALERT".
53
Step 3
Select ON or OFF to enable or disable the feature.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
interface.
54
7 Fog Horn/Hailer/Intercom
8. Fog Horn/Hailer/Intercom
Note
When receiving DSC calls in the Fog Horn mode or the Hailer mode, the radio
exits the Fog Horn mode or the Hailer mode and enters the call receiving
interface.
8.1 Fog Horn
This feature sounds certain international standard fog horn tones through the
speaker. This feature is available only when the radio is connected to a hailer.
Enter the "FOG HORN" interface
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "COMMUNICATIONS > FOG HORN".
The "FOG HORN" interface appears on the screen.
Use the manual horn
The Manual Horn feature allows you to manually start the predefined fog horn.
Step 1
On the "FOG HORN" interface, select "MANUAL HORN".
Step 2
Press and hold the PTT key to sound the fog horn.
55
Step 3
To stop the fog horn, release the PTT key.
Step 4
Press the Back key to return to the previous screen.
Use the manual yelp
The Manual Yelp feature allows you to manually start the predefined alarm in
emergencies.
Step 1
On the "FOG HORN" interface, select "MANUAL YELP".
Step 2
Press and hold the PTT key to sound the alarm.
Step 3
To stop the alarm, release the PTT key.
Step 4
Press the Back key to return to the previous screen.
Use the auto horn
The Auto Horn feature allows the radio to sound certain international standard fog
horn tones. When a horn sounds, it cannot be stopped manually.
Step 1
On the "FOG HORN" interface, select "AUTO FOG MODE".
Step 2
Select a horn according to your purpose.
Then the horn sounds.
56
7 Fog Horn/Hailer/Intercom
Step 3
When the horn is silent, press the Back key to return to the previous
screen.
Sound warning signals
Warning
Signal
Function
For ship passing.
Manual
Remarks
The lengths and timing of the horn blasts are
controlled by pressing and holding the PTT key
on the microphone.
For emergency
siren.
Yelp
For power-driven
vessels
underway.
One 5-second blast at 120-second interval.
5s
Underway
120s
Underway Signal
Stopped
For power-driven
vessel that is
stationary.
Two 3-second blasts, with a 2-second interval
between each blast, repeated every 120
seconds.
57
Warning
Signal
Function
Remarks
3s 2s 3s
120s
Stopped Signal
For sailboats, tug
boats and tow
boats underway.
One 3-secondblast, followed by one 2-second
interval, one 1-second blast, one
2-secondinterval and one 1-second blast.
Repeated every 120 seconds.
3s 2s 1s 2s1s
Sailboat
120s
Sailboat Signal
For vessels under
tow.
One 3-second blast, followed by one2-second
interval, one 1-second blast, one 2-second
interval, one 1-second blast, one 2-second
interval, and one 1-second blast. Repeated
every 120 seconds.
3s 2s 1s 2s 1s 2s 1s
Towed
120s
Towed Signal
Anchored
For vessels at
anchor.
A rapidly ringing bell tone sounds for about 5
seconds, repeated at an interval of 60
seconds.
58
7 Fog Horn/Hailer/Intercom
Warning
Signal
Function
Remarks
5s
120s
Anchored Signal
For vessels
aground.
Aground
Two bell tones of 0.5 seconds, a bell tone of1.5
second followed by a rapidly ringing bell tone
for a duration of about 5 seconds, followed by
two bell tone of 0.5 seconds and a bell tone of
1.5seconds. Repeated once every 60seconds.
0.5s 0.5s
0.5s
5s
60s
Aground Signal
8.2 Hailer
The Hailer feature allows you to make an announcement at a high volume to people
using a hailer and listen to the response from the hailer.
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "COMMUNICATIONS > HAILER".
The "HAILER" interface appears on the screen.
You can adjust the listening volume.
59
Step 3
Press and hold the PTT key to talk.
Step 4
Release the PTT key to listen to the response from the hailer.
You can adjust the talking volume.
Step 5
Press the Back key to return to the previous screen.
8.3 Intercom
The Intercom feature allows the intercommunication between the radio and a
handset. This feature is available only when your radio is equipped with handset, or
a microphone.
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "COMMUNICATIONS > INTERCOM".
60
7 Fog Horn/Hailer/Intercom
The "INTERCOM" interface appears on the screen. Here "River" is the
alias of handset to be connected remotely.
Step 3
Select the handset to initiate a call.
Step 4
Press and hold the PTT key to talk.
Step 5
Release the PTT key to listen to the response from the handset.
Step 6
When the call is over, press the Back key to return to the previous screen.
You can adjust the receiving volume after releasing the PTT key.
8.4 Edit Handset Name
You can customize the handset name after the handset connects to the product
remotely. After that, the handset name is saved and displayed on any connected
product.
To edit the handset name, do as follows:
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Select "FOG/HAILER/IC".
The " FOG/HAILER/IC " interface appears on the screen.
61
Step 3
Select "EDIT HANDSET NAME".
The “HANDSET LIST” interface appears on the screen.
Step 4
Select a desired handset.
Step 5
Rotate and press the Menu/DSC control to enter a new handset name for
the current selected handset.
Step 6
Press the Menu/DSC control to save the new handset name and return to
the previous screen.
62
9 SETTING MMSI
9. SETTING MMSI
You can register a MMSI and view the registered MMSI.
For information about how to set MMSI number of your vessel, see section 4.2.2
How to Enter Your MMSI Number.
63
10. GENERAL SETUP
10.1 Display Setup
This feature allows you to set the backlight and contrast of the screen.
10.1.1 Adjusting the Backlight
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "GENERAL SETUP > DISPLAY SETUP".
The "DISPLAY" interface appears on the screen.
Step 3
Select "BACKLIGHT".
Step 4
Rotate the Menu/DSC control to adjust the backlight.
10.1.2 Adjusting the Contrast
Step 1
On the home screen, press the Menu/DSC control to enter the "MAIN
MENU" screen.
Step 2
Go to "GENERAL SETUP > DISPLAY SETUP".
The "DISPLAY" interface appears on the screen.
Step 3
Select "CONTRAST".
Step 4
Rotate the Menu/DSC control to adjust the contrast.
64
10.2 Units
10.2.1 Time Format
This feature allows you to set how the time displays on the radio screen.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "GENERAL SETUP > UNITS > TIME FORMAT".
Step 3
Select "12 HOUR" or "24 HOUR".
Step 4
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.2.2 Time Offset
This feature allows you to set the time difference between UTC and local time if you
want to use local time. The offset is added to or subtracted from the time received
from the GNSS receiver or chart plotter.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "GENERAL SETUP > UNITS > TIME OFFSET".
65
Step 3
Select the time offset of your location.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.2.3 Speed
This feature allows you to set the unit of measurement for sailing speed.
Note
A GNSS receiver should be connected to the radio or the "INTERNAL GNSS"
should be set to "ON" to show the sailing speed.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "GENERAL SETUP > UNITS > SPEED".
Step 3
Select a unit.
66
Step 4
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.2.4 Bearing
This feature allows you to set the mode (magnetic or true).
Note
A GNSS receiver should be connected to the radio or the "INTERNAL GNSS"
should be set to "ON" to show the bearing.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "GENERAL SETUP > UNITS > BEARING".
Step 3
Select "TRUE" or "MAGNETIC".
Step 4
Press the Menu/DSC control to save the setting and return to the previous
interface.
67
10.3 Key Beep
This feature allows you to set the volume level of the beep that is emitted when a key
is pressed.
Step 1
Step 2
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Go to "GENERAL SETUP > KEY BEEP".
The following interface appears on the screen.
Step 3
Select a level.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.4 GNSS Setup
This section allows you to set how to show the time and the position information of
the vessel.
10.4.1 Entering the "GNSS SETUP" Interface
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "GENERAL SETUP > GNSS SETUP".
The following interface appears on the screen.
10.4.2 Internal GNSS
This feature allows you to set whether to show the position and time information
68
obtained through the internal GNSS.
Step 1
In the "GNSS SETUP" interface, select "INTERNAL GNSS".
The following interface appears on the screen.
Step 2
Select "ON" or "OFF".
Step 3
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.4.3 COG/SOG Display
This feature allows you to set whether to show Course Over Ground (COG)/Speed
Over Ground (SOG) on the radio screen.
Step 1
In the "GNSS SETUP" interface, select "COG/SOG DISPLAY".
The following interface appears on the screen.
Step 2
Select "ON" or "OFF".
Step 3
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.4.4 Manual Position
This feature allows you to input the time and the longitude and the latitude of the
vessel.
Step 1
In the "GNSS SETUP" interface, select "MANUAL POSITION".
The following interface appears on the screen.
69
Step 2
Rotate and press the Menu/DSC control to input your position.
Step 3
After you input all information, press the Menu/DSC control to save the
setting and return to the previous interface.
10.5 I/O Port Setup
This section allows you to set whether to output GNSS, DSC and AIS data and
allows you to select the port for outputting these data.
There are two baud rates available for NMEA0183. When "AIS OUTPUT" is set to
"ON", the baud rate is 38400. When "AIS OUTPUT" is set to "OFF", the baud rate is
4800.
10.5.1 Entering the "I/O PORT SETUP" Interface
Step 1
Step 2
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Go to "GENERAL SETUP > I/O PORT SETUP".
The following interface appears on the screen.
10.5.2 Selecting Output Port
This feature allows you to select the port for outputting GNSS, DSC and AIS data.
Step 1
In the "I/O PORT SETUP" interface, select "SELECT OUTPUT PORT".
The following interface appears on the screen.
70
Step 2
Select "NMEA2000" or "NMEA0183".
Step 3
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.5.3 GNSS OUTPUT
This feature allows you to set whether to output the GNSS data.
Step 1
In the "I/O PORT SETUP" interface, select "GNSS OUTPUT".
The following interface appears on the screen.
Step 2
Select "ON" or "OFF".
Step 3
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.5.4 DSC OUTPUT
This feature allows you to set whether to output the DSC data.
Step 1
In the "I/O PORT SETUP" interface, select "DSC OUTPUT".
The following interface appears on the screen.
71
Step 2
Select "ON" or "OFF".
Step 3
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.5.5 AIS OUTPUT
This feature allows you to set whether to output the AIS data.
Step 1
In the "I/O PORT SETUP" interface, select "AIS OUTPUT".
The following interface appears on the screen.
Step 2
Select "ON" or "OFF".
Step 3
Press the Menu/DSC control to save the setting and return to the previous
interface.
10.6 System Information
10.6.1 Entering the "SYSTEM INFO" Interface
Step 1
Step 2
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Go to "GENERAL SETUP > SYSTEM INFO".
The following interface appears on the screen.
72
10.6.2 Software Version
This feature allows you to view software versions of the radio and connected units.
Step 1
In the "SYSTEM INFO" interface, select "SOFTWARE VERSION".
The "SOFTWARE VERSION" interface appears on the screen.
Step 2
Select "OWN UNIT" to view the version of the radio, or select "ALL UNIT"
to view to view the versions of the radio and connected units.
73
Step 3
After you view the information, press the Menu/DSC control to return to
the previous screen.
10.6.3 Diagnostic Test
This feature allows you to test items as shown in the following table. You can also
see explanations of testing results in the following table.
Testing Item
GNSS
DSC
BATTERY
AIS
MEMORY
REMOTE STATION
Explanation of Testing Result
OK: There is a GNSS data source.
NG: There is no GNSS data source.
OK: The DSC feature works normally.
NG: The DSC feature doesn't work.
OK: The operating voltage is between 10.8 V DC and
15.6 V DC.
LOW: The operating voltage is lower than 10.8 V DC.
HIGH: The operating voltage is higher than 15.6 V DC.
OK: The AIS feature works normally.
NG: The AIS feature doesn't work.
OK: The internal memory is normal.
NG: The internal memory is abnormal.
OK: Handset is connected to the radio.
NG: No handset is connected to the radio.
74
Step 1
In the "SYSTEM INFO" interface, select "DIAGNOSTIC TEST".
The "SYSTEM TEST" interface appears on the screen.
Step 2
Select the item requiring testing.
Step 3
Press the Menu/DSC control to start testing.
Step 4
When the test is over, press the Back key to return to the previous screen.
10.6.4 Factory Reset
This feature resets several menus and settings to their default values. For details on
which menu / settings are reset, see the underlined items in the menu tree.
Step 1
In the "FACTORY RESET" interface, select “FACTORY RESET”. The
“FACTORY RESET” interface appears on the screen.
Step 2
Select whether to reset the items to factory settings. If you select "YES",
the radio will restart and is reset to factory settings. If you select "NO", the
radio returns to the previous screen.
10.7 Fog Horn Frequency
This feature allows you to set the fog horn frequency according to the size of your
vessel.
Note
The default fog horn frequency is 400Hz. In most cases, do not change the
frequency unless the vessel is very large.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "GENERAL SETUP > FOG HORN FREQ".
The following interface appears on the screen.
75
Step 3
Select a “FOG HORN FREQ”.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
screen.
10.8 Service Menu
This menu is available only for your dealer.
76
11. CHANNEL FUNCTION SETUP
11.1 Channel Group
This feature allows you to select a channel group among International, USA, and
Canada channel groups.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "CH FUNCTION SETUP > CH GROUP".
The following interface appears on the screen.
Step 3
Select "INTERNATIONAL", "USA", or "CANADA".
Step 4
Press the Menu/DSC control to save the setting.
11.2 Second Priority Channel
This feature allows you to set the second priority channel which to be scanned in the
TRIPLE CH mode.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "CH FUNCTION SETUP > 2ND PRIORITY".
The following interface appears on the screen.
77
Step 3
Select a channel.
Step 4
Press the Menu/DSC control to set the channel to the second priority
channel and then return to the previous screen.
11.3 Edit Channel Name
When the radio mode is in use, the display shows a name under the channel number
selected. This is the name of the current channel. You can customize channel
names as follows:
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Select "CH FUNCTION SETUP".
The "CH FUNCTION SETUP" interface appears on the screen.
Step 3
Select "EDIT CH NAME".
Step 4
Rotate and press the Menu/DSC control to enter a new channel name for
the current working channel.
78
11 CHANNEL FUNCTION SETU
Step 5
Press the Menu/DSC control to save the new channel name and return to
the previous screen.
11.4 Private Channel
This feature allows you to select a private channel.
Note
The "PRIVATE CH" menu is available only when the channel group is set to
"INTERNATIONAL". For information about how to set the channel group, see
section 10.1 Channel Group.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "CH FUNCTION SETUP > PRIVATE CH".
The following interface appears on the screen.
Step 3
Select a private channel.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
screen.
79
12. DSC SETUP
12.1 Individual Directory
This feature allows you to save vessels' names or persons' names and the MMSI
numbers associated with vessels you want to transmit individual calls, position
request calls, and DSC test calls.
12.1.1 Adding an Entry
You can add 200 entries at most.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > INDIV DIRECTORY".
The following interface appears on the screen.
Step 3
Select "ADD ENTRY".
Step 4
Rotate and press the Menu/DSC control to add the name and the MMSI of
the contact.
Step 5
After you finish entering the information, press the Menu/DSC control to
save the setting and return to the previous screen.
80
12.1.2 Editing an Entry
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > INDIV DIRECTORY".
The following interface appears on the screen.
Step 3
Select the entry needing editing.
The following interface appears on the screen.
Step 4
Select "EDIT".
Step 5
Rotate and press the Menu/DSC control to edit the entry.
81
Step 6
After you finish entering the information, press the Menu/DSC control to
save the setting and return to the previous screen.
12.1.3 Deleting an Entry
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > INDIV DIRECTORY".
The following interface appears on the screen.
Step 3
Select the entry needing deleting.
The following interface appears on the screen.
Step 4
Select "DELETE".
The following screen appears.
82
Step 5
Select "YES".
The directory is deleted and the radio returns to the previous screen.
12.2 Group Directory
This feature allows you to add, edit or delete groups the radio belongs to.
12.2.1 Adding an Entry
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > GROUP DIRECTORY".
The following interface appears on the screen.
Step 3
Select "ADD ENTRY".
Step 4
Rotate and press the Menu/DSC control to add the name and the MMSI of
the contact.
Step 5
After you finish entering the information, press the Menu/DSC control to
save the setting and return to the previous screen.
83
12.2.2 Editing an Entry
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > GROUP DIRECTORY".
The following interface appears on the screen.
Step 3
Select the entry needing editing.
The following interface appears on the screen.
Step 4
Select "EDIT".
Step 5
Rotate and press the Menu/DSC control to edit the entry.
Step 6
After you finish entering the information, press the Menu/DSC control to
save the setting and return to the previous screen.
84
12.2.3 Deleting an Entry
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > GROUP DIRECTORY".
The following interface appears on the screen.
Step 3
Select the entry needing deleting.
The following interface appears on the screen.
Step 4
Select "DELETE".
The following screen appears.
Step 5
Select "YES".
The directory is deleted and the radio returns to the previous screen.
12.3 Channel Change Mode
This feature allows you to set the channel change mode of the radio. When selecting
85
"MANUAL", you need to manually change the channel. When you select "AUTO",
the radio automatically switches to the designated channel after 10 seconds without
user intervention.
Step 1
Step 2
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Go to "DSC SETUP > AUTO CHANGE CH".
The following interface appears on the screen.
Step 3
Select "MANUAL" or "AUTO".
Step 4
Press the Menu/DSC control to save the setting and return to the previous
screen.
12.4 Individual Acknowledgement
This feature allows you to set the acknowledgement mode of individual call requests.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > INDIVIDUAL ACK".
The "INDIVIDUAL ACK" interface appears on the screen.
Step 3
Select "MANUAL" or "AUTO".
 MANUAL: Select the soft key, and then you need to send an
acknowledgement manually upon a call request.
 AUTO: Select the soft key, and then the radio sends an
unacknowledged message upon a call request.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
screen.
12.5 Position Acknowledgement
This feature allows you to set the acknowledgement mode of position request calls.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > POSITION ACK".
The "POSITION ACK" interface appears on the screen.
Step 3
Select "MANUAL", "AUTO", or "IGNORE".
86
 MANUAL: Select the soft key, and then you need to send an
acknowledgement manually upon a call request.
 AUTO: Select the soft key, and then the radio sends an
acknowledgement automatically upon a call request.
 IGNORE: Select the soft key, and then the radio ignores the call
request without sending an acknowledgement.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
screen.
12.6 Test Acknowledgement
This feature allows you to set the acknowledgement mode of DSC test call requests.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > TEST ACK".
The "TEST ACK" interface appears on the screen.
Step 3
Select "MANUAL" or "AUTO".
 MANUAL: Select the soft key, and then you need to send an
acknowledgement manually upon a call request.
 AUTO: Select the soft key, and then the radio sends an
acknowledgement automatically upon a call request.
Step 4
Press the Menu/DSC control to save the setting and return to the previous
screen.
12.7 Auto Position Interval
This feature allows you to set the interval of sending auto position polling to another
vessel.
Step 1
Step 2
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Go to "DSC SETUP > AUTO POS INTERVAL".
The "AUTO POS INTERVAL" interface appears on the screen.
Step 3
Select a time interval.
87
Step 4
Press the Menu/DSC control to save the setting and return to the previous
screen.
12.8 Timeout
This feature allows you to set the number of minutes the radio should keep a given
screen displayed before it restores the standby display, if no radio operation is
detected.
You can set a timeout for two types of screen: the non-distress screen and the
distress transmitting screen.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "DSC SETUP > TIMEOUT ".
Step 3
Select "TIMEOUT".
The "DSC SETUP" interface appears on the screen.
The "TIMEOUT" interface appears on the screen.
Step 4
Step 5
Select "NON DISTRESS" or "RX DISTRESS".
Do one of the following:

To enable the Timeout feature, select "15 MIN ".
The message selected at step 4 is closed automatically when there is
no operation within 15 minutes.

To disable the Timeout feature, select "NO TIMEOUT ".
88
13. ATIS SETUP
The FM-4800 supports the Automatic Transmitter Identification System (ATIS) used
in Inland waterways in Europe. In the ATIS mode, the radio transmits a unique ATIS
code each time the PTT key is released at the end of a transmission. You should
check with your local marine regulatory authority in your country for assistance in
obtaining an ATIS code.
13.1 How to Enter the ATIS ID
You can register an ATIS ID, and also view the registered ID, as follows:
Caution
An ATIS ID can be entered only once. Therefore, be careful not to enter the
wrong ATIS ID. If you need to change the ID after it has been entered, contact
your dealer.
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Go to "ATIS SETUP > SET ATIS ID ".
The following interface appears.
Step 3
Rotate and press the MENU/DSC control to enter your ATIS ID (nine
digits).
If you enter a wrong digit, press the BACK key until the wrong digit is
selected, and then enter a correct digit.
Step 4
After you enter the ATIS ID, press the Menu/DSC control to save it.
Step 5
Enter the ATIS ID again, and then press the Menu/DSC control to save it.
13.2 How to Enable/Disable the ATIS Feature
Step 1
Press the Menu/DSC control until the "MAIN MENU" screen appears.
Step 2
Select "ATIS SETUP".
Step 3
Do one of the following:
The "ATIS SETUP" interface appears on the screen.
89

To enable the ATIS feature, select "ON". If you haven't entered the
ATIS ID, you are required to enter the ID first.

To disable the ATIS feature, select "OFF".
90
14. MAINTENANCE AND
TROUBLESHOOTING
Warning
Do not open the equipment. This equipment uses high voltage that can cause
electrical shock.
Note
Do not apply paint, anti-corrosive sealant, or contact spray to plastic parts or
equipment coating. Those items contain products that can damage plastic parts
and equipment coating.
14.1 General Maintenance
Caution
The heat sink can get hot enough to cause a burn injury. Allow the unit to cool
before doing any maintenance procedures.
The inherent quality of the solid-state components used in this radio should provide
many years of continuous use. However, take the following precautions to prevent
damage to the radio.
 Keep the microphone connected or the jack covered at all times to prevent
corrosion of electrical contacts.
 Remove dust from the cabinet with a dry clean cloth. Do not use commercial
cleaners to clean the equipment. Those cleaners can remove paint and markers.
 Check that all cables are tightly fastened. Check the cables for corrosion and
rust. Connect the cables that have loosened. Replace any damaged cables.
 Never press and hold the PTT key and talk into the microphone to transmit your
voice unless an antenna or suitable dummy load is connected to the radio.
 The supply voltage range to the radio must be within 10.8 to 15.6 VDC.
 Use only FURUNO-approved accessories and replacement parts.
 In the unlikely event of serious problems, please contact your dealer.
91
14.2 Troubleshooting
When the FM-4800 does not work properly, you can follow the following
troubleshooting procedures to fix it.
Phenomena
The radio cannot
be turned on.
The radio blows
the fuse when
connected to the
power supply.
Probable
Cause
No DC voltage
to the radio, or
blown fuse
Reversed
polarity
power wires
Engine noise
The
speaker
makes popping
or whining noise
while the engine
of the ship runs.
The sound is not
emitted from the
internal
or
external speaker.
The sound is not
emitted from the
speaker.
Transmissions
are always on
low power even
when high power
Accessory
cable
Accessory
cable
Antenna
Solution
Step 1
Check the 10.8 to 15.6 VDC
battery connections and the
fuse.
Step 2
Long press the On/Off key to
turn on the radio.
Step 1
Make sure the red wire is
connected to the positive (+)
battery post, and the black
wire is connected to the
negative (-) battery post.
Step 2
Check the power cable for DC
voltage and replace the fuse
(8A 250V).
Step 1
Reroute the DC power cable of
the radio away from the
engine.
Step 2
Add a noise suppressor on the
power cable.
Step 3
Change to resistive spark plug
wires and/or add an alternator
whine filter.
Step 1
Check that the external
speaker cable (Purple &
Gray) is physically connected.
Step 2
Check whether the external
speaker cable is broken or
short-circuited.
Step 1
Check that the cable (Red &
Black) is physically
connected.
Step 2
Check whether the speaker
cable is broken or
short-circuited.
of
Check the antenna or test the radio with
another antenna.
92
Phenomena
Probable
Cause
Solution
Too high or too
low
power
supply voltage
Accessory
cable
Setting of the
GNSS receiver
Confirm that the connected power
supply voltage is within 10.8 to 15.6
VDC.
Check the NMEA2000 or NMEA0183
cable connection.
Choose the proper information to
check:
is selected.
The icon
or
appears on
the home screen.

If the NMEA2000 or NMEA0183
cable is connected, make sure
that the output of the cable is valid.

If the NMEA2000 or NMEA0183
cable is not connected, make sure
that the internal GNSS module is
enabled and nothing blocks the
top of the radio unit.
Your position is
not displayed.
The radio unit
displays
"PLL
UNLOCK".
The phase lock
loop
not
working
Restart the radio. If the problem is not
fixed, please consult your dealer.
If the above solutions cannot fix your problems, or you may have some other queries,
please contact us or your local dealer for more technical support.
93
15. INSTALLATION
15.1 Equipment Lists
Standard supply
Name
Radio
Microphone
Installation Materials
Accessories
Documents
Spare Parts
Type
FM-4800
MIC-4800
Qty
1 set
1 set
1 set
1 set
Remarks
Cushion, Template,
Tapping screw, UHF connector
Soft cover, Hanger, Hanger knob,
Microphone Hanger
Manual, Packing list
Fuse (250VAC, 8A)
2pcs
Optional supply
Name
Type
Code no.
Handset
HS-4800
001-468-560
Speaker
SP-4800
001-468-580
EX-CBL-FM5M
001-468-600
5m
EX-CBL-FM10M
001-468-610
10m
FRU-NMEA-PMMFF-010
001-506-820
FRU-NMEA-PMMFF-020
001-506-830
FRU-NMEA-PMMFF-060
001-507-000
FRU-NMEA-PFF-010
001-507-010
FRU-NMEA-PFF-020
001-507-030
FRU-NMEA-PFF-060
001-507-040
Extension
Cable
Extension
Cable
Cable for
NMEA2000
94
Remarks
Handset, Hanger,
Installation Materials,
Accessories
Speaker,
Installation Materials,
Accessories
w/connectors
(light), 1m
w/connectors
(light), 2m
w/connectors
(light), 6m
w/connector
(light), 1m
w/connector
(light), 2m
w/connector
(light), 6m
Name
Connector
for
NMEA2000
Type
Code no.
CB-05PM+05BF-010
000-167-968-11
CB-05PM+05BF-020
000-167-969-11
CB-05PM+05BF-060
000-167-970-11
CB-05BFFM-010
000-167-971-11
CB-05BFFM-020
000-167-972-11
CB-05BFFM-060
000-167-973-11
FRU-MM1MF1MF1001
001-507-050
NC-050505-FMF-TS001
000-160-507-10
FRU-MM1000000001
001-507-070
LTWMN-05AMMT-SL8001
000-160-508-10
FRU-MF000000001
001-507-060
LTWMN-05AFFT-SL8001
000-160-509-10
FRU-0505-FF-IS
001-077-830-10
95
Remarks
w/connectors
(heavy), 1m
w/connectors
(heavy), 2m
w/connectors
(heavy), 6m
w/connector (heavy),
1m
w/connector (heavy),
2m
w/connector (heavy),
6m
T-Connector,
Micro style:3
Mini style:2,
micro style:1
Micro style, male,
termination resistor
Mini style, male,
termination resistor
Micro style, female,
termination resistor
Mini style, female,
termination resistor
w/in-line terminator
15.2 Mounting
15.2.1 How to Install the Radio
For desktop mounting
Step 1
Put the hanger in a location where it is easy to install the FM-4800 radio.
Step 2
Fix the hanger with four screws.
Step 3
Set the radio to the hanger.
Step 4
Tighten the knob bolts on both sides of the hanger.
Hanger
Radio
Tapping screw
(PA 4.0*25)
Hanger Knob
For flush mounting
Step 1
Determine the position of installation holes according to the marking
template and drill the hole.
Step 2
Pry off the frame from the front panel.
Step 3
Paste the installation cushion on the back of the front panel.
Step 4
Place the FM-4800 radio in the hole and fix it with four screws.
96
Panel
Template
Cushion Radio
Frame
Tapping screw (PA4.0*25)
For hanging mounting
Step 1
Put the hanger in a location where it is easy to install the FM-4800 radio.
Step 2
Fix the hanger with four screws.
Step 3
Set the radio to the hanger.
Step 4
Tighten the knob bolts on both sides of the hanger.
Tapping screw
(PA4.0*25)
Hanger
Radio
Hanger knob
97
15.2.2 How to Install the Microphone
Step 1
Determine a location where it is easy to install the microphone hanger.
Step 2
Fix the hanger with two screws.
Step 3
Place the microphone into the hanger.
15.2.3 How to Install the Handset (Optional)
Step 1
Determine a location where it is easy to install the handset hanger.
Step 2
Fix the hanger with three screws.
Step 3
Place the handset into the hanger.
98
15.2.4 How to Install the Speaker (Optional)
For desktop mounting
Step 1
Put the hanger in a location where it is easy to install the SP-4800.
Step 2
Fix the hanger with four screws.
Step 3
Set the speaker to the bracket.
Step 4
Tighten the knob bolts on both sides of the hanger.
Step 5
Connect the signal cable.
For flush mounting
Step 1
Determine the position of installation holes according to the marking
template and drill the hole.
Step 2
Pry off the frame from the front panel.
Step 3
Paste the installation sealing gasket on the back of the front panel.
Step 4
Place the speaker in the hole and fix it with four screws.
Step 5
Connect the speaker to the radio using the color-coded signal cable.
Make sure that every signal cable is firmly connected.
Step 6
Mount the frame.
99
100
15.3 Soft Cover
Step 1
Remove the antenna connector cover on the rear back of the unit.
Step 2
Slightly press the four corners in circle and plastic in rectangular in place.
15.4 Wiring
15.4.1 Overview
101
15.4.2 Antenna
Requirements for the antenna
Any good quality antenna that meets the requirements shown below can be used.





Frequency range: 155 to 164 MHz
Impedance: 50 ohms
Polarization: Vertical
Handling power: 30 W or more
Quality: Withstand the marine environment
Installation location
The location and installation of different antennas on a ship is important to ensure
effective communications. Incorrectly installed antennas will degrade performance of
the radio equipment and reduce the range of communications.
Select the location for the antenna considering the following points.
 VHF antennas should be placed in a position which is as elevated and free as
possible, with at least 2 meters horizontal separation from constructions made
by conductive materials.
 Ideally there should not be more than one antenna on the same level.
 The location of mandatory VHF antennas should be given priority compared with
mobile telephone antennas. If they are located on the same level, the distance
between them should be at least 5 meters.
 Isolate the antenna from all metallic parts of the ship.
 Current will overflow if the antenna touches any metal part of the ship.
Fabricating the Antenna Connector
Step 1
Strip the RG58 cable according to the dimension in the following figure.
Step 2
Put the antenna connector on the cable orderly.
Step 3
Hold the flange between the insulation and the shield.
Step 4
Tighten the nut.
Step 5
Solder the connector and core.
102
Wiring
Step 1
Remove the antenna connector cover on the rear back of the unit.
Step 2
Insert the antenna cable into the antenna connector.
Step 3
Tighten the antenna hand tight.
Step 4
Secure the cable with the electrical cable.
Waterproofing the Connection
Step 1
Take the Self-bonding tape in the length of about 100 mm.
103
Step 2
Connect the UHF antenna to the radio and tighten it clockwise.
Step 3
Slightly stretch one end of the Self-bonding tape and wind it clockwise on
the antenna head.
Step 4
Wrap around the cable.
15.4.3 Ground Cable
Step 1
Loosen the screw on the rear back of the unit.
Step 2
Place the grounding wire on the screw.
Step 3
Tighten the screw again.
15.4.4 Power Cable
Step 1
Remove the outer sheath at one end of the cable on the unit.
104
Step 2
Referring to the figure below, place heat shrink tubes on the wires, and
then solder the connection point.
Step 3
Move the heat shrink tubes to the soldered connection, and then apply
heat to the tubes.
Step 4
Secure the cable with electrical tape.
105
15.4.5 NMEA2000 Connector (CAN bus connector)
CAN bus is a communication protocol that shares multiple data and signals through
a single backbone cable. You can simply connect any CAN bus devices onto the
backbone cable to expand your network onboard. With CAN bus, Ids are assigned to
all the devices in the network, and the status of each sensor in the network can be
detected. All the CAN bus devices can be incorporated into the NMEA2000 network.
For detailed information about CAN bus wiring, see “Furuno CAN bus Network
Design Guide” (Type : TIE-00170) on Tech-Net), or contact your dealer.
15.4.6 Extension Cable (Optional)
Step 1
Drill a round or square hole on the ship panel.
The diameter of the hole ranges from 23.5 mm to 25 mm.
Step 2
Thread the extended cable through the hole.
106
Step 3
Place the seal, cable holder, and waterproof cover sequentially around the
extended cable.
Step 4
Fasten the nut.
Step 5
Fasten the three tapping screws.
Step 6
Fasten the cover on the extended cable and tighten it.
Max 30m
Waterproof Nut
cover
Wrap the electrical tape
Seal
Connect the cable
Tapping
Cable
Screw
holder
(PA3.0*10)
Extension
cable
Speaker
107
CHANNEL ASSIGNMENTS
The following channel charts are provided for your reference.
International Channel Chart
CH
01
02
03
TX(MHz)
156.050
156.100
156.150
RX(MHz)
160.650
160.700
160.750
Mode
Duplex
Duplex
Duplex
04
156.200
160.800
Duplex
05
156.250
160.850
Duplex
06
156.300
156.300
Simplex
07
156.350
160.950
Duplex
08
156.400
156.400
Simplex
09
156.450
156.450
Simplex
10
11
12
156.500
156.550
156.600
156.500
156.550
156.600
Simplex
Simplex
Simplex
13
156.650
156.650
Simplex
14
156.700
156.700
Simplex
15
156.750
156.750
Simplex
16
156.800
156.800
Simplex
17
156.850
156.850
Simplex
18
19
20
21
22
23
24
25
26
27
28
156.900
156.950
157.000
157.050
157.100
157.150
157.200
157.250
157.300
157.350
157.400
161.500
161.550
161.600
161.650
161.700
161.750
161.800
161.850
161.900
161.950
162.000
Duplex
Duplex
Duplex
Duplex
Duplex
Duplex
Duplex
Duplex
Duplex
Duplex
Duplex
108
Use
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator),
Port Operations, Ship Movement
Public Correspondence (marine operator),
Port Operations, Ship Movement
Inter-ship Safety
Public Correspondence (marine operator),
Port Operations, Ship Movement
Commercial (inter-ship only)
Boater calling channel, commercial &
Non-commercial (recreational)
Commercial
Commercial, VTS in selected areas
Port operation, VTS in selected areas
Inter-ship
navigation
safety
(bridge-to-bridge)
Port operation, VTS in selected areas
Environmental
Low power (1 W) only
International distress, safety and calling
State controlled
Low power (1 W) only
Port Operations, Ship Movement
Port Operations, Ship Movement
Port Operations
Port Operations, Ship Movement
Port Operations, Ship Movement
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator)
CH
60
TX(MHz)
156.025
RX(MHz)
160.625
Mode
Duplex
61
156.075
160.675
Duplex
62
156.125
160.725
Duplex
63
156.175
160.775
Duplex
64
156.225
160.825
Duplex
65
156.275
160.875
Duplex
66
156.325
160.925
Duplex
67
156.375
156.375
Simplex
68
156.425
156.425
Simplex
69
156.475
156.475
Simplex
70
156.525
156.525
71
72
156.575
156.625
156.575
156.625
Simplex
Simplex
73
156.675
156.675
Simplex
74
156.725
156.725
Simplex
75
156.775
156.775
Simplex
76
156.825
156.825
Simplex
77
156.875
156.875
Simplex
78
156.925
161.525
Duplex
79
80
81
156.975
157.025
157.075
161.575
161.625
161.675
Duplex
Duplex
Duplex
82
157.125
161.725
Duplex
83
84
85
86
87
157.175
157.225
157.275
157.325
157.375
161.775
161.825
161.875
161.925
157.375
Duplex
Duplex
Duplex
Duplex
Simplex
109
Use
Public Correspondence (marine operator)
Public Correspondence (marine operator),
Port Operations, Ship Movement
Public Correspondence (marine operator),
Port Operations, Ship Movement
Public Correspondence (marine operator),
Port Operations, Ship Movement
Public Correspondence (marine operator),
Port Operations, Ship Movement
Public Correspondence (marine operator),
Port Operations, Ship Movement
Public Correspondence (marine operator),
Port Operations, Ship Movement
Commercial,
used for bridge-to-bridge communications
Non-commercial (recreational)
Inter-ship,
Port Operations and Ship Movement
Digital selective calling
(voice communications not allowed)
Port Operations and Ship Movement
Non-commercial (inter-ship only)
Inter-ship,
Port Operations and Ship Movement
International: Inter-ship,
Port Operations and Ship Movement
Port operations (inter-ship only)
Low power (1 W) only
Port operations (inter-ship only)
Low power (1 W) only
Port operations (inter-ship only)
Public Correspondence (marine operator),
Port Operations, Ship Movement
Port operation and Ship Movement
Port operation, Ship Movement
Port operation, Ship Movement
Public Correspondence (marine operator),
Port Operations, Ship Movement
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Public Correspondence (marine operator)
Port operation, Ship Movement
CH
88
1019
1020
1024
1025
1026
1027
1028
1078
1079
1084
1085
1086
2006
2019
2020
2024
2025
2026
2027
2028
2078
2079
2084
2085
2086
TX(MHz)
157.425
156.950
157.000
157.200
157.250
157.300
157.350
157.400
156.925
156.975
157.225
157.275
157.325
160.900
161.550
161.600
161.800
161.850
161.900
161.950
162.000
161.525
161.575
161.825
161.875
161.925
RX(MHz)
157.425
156.950
157.000
157.200
157.250
157.300
157.350
157.400
156.925
156.975
157.225
157.275
157.325
160.900
161.550
161.600
161.800
161.850
161.900
161.950
162.000
161.525
161.575
161.825
161.875
161.925
Mode
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Use
Port operation, Ship Movement
Port Operations, Ship Movement
Port Operations, Ship Movement
Use
Port Operations and Commercial, VTS.
Available only in New Orleans / Lower
Mississippi area.
Port Operations or VTS in the Houston,
New Orleans and Seattle areas.
Inter-ship Safety
Commercial. VDSMS
Commercial (Inter-ship only). VDSMS
Boater Calling.
Commercial and Non-Commercial.
VDSMS
Commercial. VDSMS
Inter-ship (digital only)
Port Operations, Ship Movement
Port Operations, Ship Movement
Port Operations, Ship Movement
Inter-ship (digital only)
Port Operations, Ship Movement
Port Operations, Ship Movement
Inter-ship (digital only)
Port Operations, Ship Movement
Port Operations, Ship Movement
USA Channel Chart
CH
TX(MHz)
RX(MHz)
Mode
1001
156.050
156.050
Simplex
1005
156.250
156.250
Simplex
06
1007
08
156.300
156.350
156.400
156.300
156.350
156.400
Simplex
Simplex
Simplex
09
156.450
156.450
Simplex
10
156.500
156.500
Simplex
110
CH
TX(MHz)
RX(MHz)
Mode
11
156.550
156.550
Simplex
12
156.600
156.600
Simplex
13
156.650
156.650
Simplex
14
156.700
156.700
Simplex
15
--
156.750
Simplex
16
156.800
156.800
Simplex
17
156.850
156.850
Simplex
1018
1019
20
1020
1021
156.900
156.950
157.000
157.000
157.050
156.900
156.950
161.600
157.000
157.050
Simplex
Simplex
Duplex
Simplex
Simplex
1022
157.100
157.100
Simplex
1023
157.150
157.150
Simplex
24
157.200
161.800
Duplex
25
157.250
161.850
Duplex
26
157.300
161.900
Duplex
27
157.350
161.950
Duplex
28
157.400
162.000
Duplex
1063
156.175
156.175
Simplex
1065
1066
156.275
156.325
156.275
156.325
Simplex
Simplex
111
Use
Commercial. VTS in selected areas.
VDSMS
Port Operations. VTS in selected areas.
Inter-ship Navigation Safety
(Bridge-to-bridge).
Ships > 20m length maintain a listening
watch on this channel in US waters.
Low power (1 W) initially
Power override
Port Operations. VTS in selected areas.
Environmental (Receive only).
Used by Class C EPIRBs.
International Distress, Safety and Calling.
Ships required to carry radio, USCG,
and most coast stations maintain a
listening watch on this channel.
High power (25 W)initially
State & local government maritime
control
Low power (1 W) only
Commercial. VDSMS
Commercial. VDSMS
Port Operations (duplex)
Port Operations
U.S. Coast Guard only
Coast Guard Liaison and Maritime Safety
Information Broadcasts.
Broadcasts announced on channel 16.
U.S. Coast Guard only
Public Correspondence
(Marine Operator). VDSMS
Public Correspondence
(Marine Operator). VDSMS
Public Correspondence
(Marine Operator). VDSMS
Public Correspondence
(Marine Operator). VDSMS
Public Correspondence
(Marine Operator). VDSMS
Port Operations and Commercial, VTS.
Available only in New Orleans
/ Lower Mississippi area.
Port Operations
Port Operations
CH
TX(MHz)
RX(MHz)
Mode
67
156.375
156.375
Simplex
68
69
156.425
156.475
156.425
156.475
Simplex
Simplex
70
156.525
156.525
71
156.575
156.575
Simplex
72
156.625
156.625
Simplex
73
74
156.675
156.725
156.675
156.725
Simplex
Simplex
75
156.775
156.775
Simplex
76
156.825
156.825
Simplex
77
156.875
156.875
Simplex
1078
156.925
156.925
Simplex
1079
156.975
156.975
Simplex
1080
157.025
157.025
Simplex
1081
157.075
157.075
Simplex
1082
1083
157.125
157.175
157.125
157.175
Simplex
Simplex
84
157.225
161.825
Duplex
85
157.275
161.875
Duplex
86
157.325
161.925
Duplex
87
157.375
157.375
Simplex
88
157.425
157.425
Simplex
112
Use
Commercial. Used for Bridge-to-bridge
communications in lower Mississippi
River. Inter-ship only.
Low power (1 W) initially
Power override
Non-Commercial. VDSMS
Non-Commercial. VDSMS
Digital Selective Calling
(voice communications not allowed)
Non-Commercial. VDSMS
Low power (1 W) initially
Power override
Non-Commercial (Inter-ship only).
VDSMS
Port Operations
Port Operations
Port Operations
Low power (1 W) only
Port Operations
Low power (1 W) only
Port Operations (Inter-ship only)
Low power (1 W) only
Non-Commercial. VDSMS
Commercial.
Non-Commercial in Great Lakes only.
VDSMS
Commercial.
Non-Commercial in Great Lakes only.
VDSMS
U.S. Government only
- Environmental protection operations.
U.S. Government only
U.S. Coast Guard only
Public Correspondence
(Marine Operator). VDSMS
Public Correspondence
(Marine Operator). VDSMS
Public Correspondence
(Marine Operator). VDSMS
Public Correspondence
(Marine Operator). VDSMS
Commercial, Inter-ship only. VDSMS
Note
VDSMS (VHF Digital Small Message Services): Transmissions of short digital
messages in accordance with RTCM Standard 12301.1 are allowed.
Canada Channel Chart
CH
TX(MHz)
RX(MHz)
Mode
Use
01
156.050
160.650
Duplex
Public Correspondence (Marine Operator)
02
156.100
160.700
Duplex
Public Correspondence (Marine Operator)
03
156.150
160.750
Duplex
Public Correspondence (Marine Operator)
04A
156.200
156.200
Simplex
Pacific coast: coast guard
East coast: commercial fishing
05A
156.250
156.250
Simplex
Port Operations, VTS in Seattle
06
156.300
156.300
Simplex
Inter-ship safety
07A
156.350
156.350
Simplex
Commercial
08
156.400
156.400
Simplex
Commercial (inter-ship only)
156.450
Simplex
Boater calling channel, commercial
& Non-commercial (recreational)
09
156.450
10
156.500
156.500
Simplex
Commercial
11
156.550
156.550
Simplex
Commercial, VTS in selected areas
12
156.600
156.600
Simplex
Port Operations, VTS in selected areas
13
156.650
156.650
Simplex
Inter-ship navigation safety
(bridge-to-bridge)
14
156.700
156.700
Simplex
Port Operations, VTS in selected areas
15
156.750
156.750
Simplex
Commercial, non-commercial,
Ship Movement
Low power (1 W) only
16
156.800
156.800
Simplex
International distress, safety and calling
High power (25 W) initially
17
156.850
156.850
Simplex
State controlled
Low power (1 W) only
18A
156.900
156.900
Simplex
Commercial
19A
156.950
156.950
Simplex
Coast guard
20
157.000
161.600
Duplex
Canadian coast guard only
21A
157.050
157.050
Simplex
Canadian coast guard
21B
161.650
Duplex
(Receive only)
157.100
Simplex
U.S. and Canadian coast guard liaison
and maritime safety information
broadcasts announced on channel 16
22A
157.100
23
157.150
161.750
Duplex
Public Correspondence (Marine Operator)
23B
161.750
Duplex
(Receive only)
113
CH
TX(MHz)
RX(MHz)
Mode
Use
24
157.200
161.800
Duplex
Public Correspondence (Marine Operator)
25
157.250
161.850
Duplex
Public Correspondence (Marine Operator)
25B
161.850
Duplex
(Receive only)
26
157.300
161.900
Duplex
Public Correspondence (Marine Operator)
27
157.350
161.950
Duplex
Public Correspondence (Marine Operator)
28
157.400
162.000
Duplex
28B
162.000
60
156.025
160.625
Duplex
Public Correspondence (Marine Operator)
61A
156.075
156.075
Simplex
Public coast: coast guard
East coast: commercial fishing only
62A
156.125
156.125
Simplex
Public coast: coast guard
East coast: commercial fishing only
63A
156.175
156.175
Simplex
Port Operations and commercial
VTS in selected areas
64
156.225
160.825
Duplex
Public Correspondence
(Marine Operator),
Port Operations, Ship Movement
64A
156.225
156.225
Simplex
Public Correspondence
(Marine Operator),
Port Operations, Ship Movement
65A
156.275
156.275
Simplex
Port Operations
66A
156.325
156.325
Simplex
Port Operations
U.S.: Commercial,
used for bridge-to-bridge communications
in lower Mississippi River, inter-ship only
Canada: commercial fishing, S&R
Public Correspondence (Marine Operator)
(Receive only)
67
156.375
156.375
Simplex
68
156.425
156.425
Simplex
Non-commercial (recreational)
69
156.475
156.475
Simplex
U.S.: non-commercial (recreational)
Canada: commercial fishing only
International: inter-ship, port Operations
and Ship Movement
70
156.525
156.525
Simplex
Digital selective calling
(voice communications not allowed)
71
156.575
156.575
Simplex
U.S. and Canada: non-commercial
(recreational)
International: Port Operations and Ship
Movement
72
156.625
156.625
Simplex
Non-commercial (inter-ship only)
73
156.675
156.675
Simplex
Commercial fishing only
74
156.725
156.725
Simplex
Commercial fishing only
114
CH
TX(MHz)
RX(MHz)
Mode
Use
75
156.775
156.775
Simplex
Port Operations (inter-ship only)
Low power (1 W) only
76
156.825
156.825
Simplex
Port Operations (inter-ship only)
Low power (1 W) only
77
156.875
156.875
Simplex
Port Operations (inter-ship only)
Low power (1 W) only
78A
156.925
156.925
Simplex
Non-commercial (recreational)
79A
156.975
156.975
Simplex
Commercial
80A
157.025
157.025
Simplex
Commercial
81A
157.075
157.075
Simplex
Canadian coast guard only
82A
157.125
157.125
Simplex
Canadian coast guard only
83A
83B
157.175
157.175
161.775
Simplex
Duplex
Canadian coast guard only
(Receive only)
84
157.225
161.825
Duplex
Public Correspondence (Marine Operator)
85
157.275
161.875
Duplex
Public Correspondence (Marine Operator)
86
157.325
161.925
Duplex
Public Correspondence (Marine Operator)
87
157.375
157.375
Simplex
Port Operations, Ship Movement
88
WX01
WX02
WX03
WX04
WX05
WX06
WX07
WX08
WX09
WX10
157.425
157.425
162.550
162.400
162.475
162.425
162.450
162.500
162.525
161.650
161.775
163.275
Simplex
Port Operations, Ship Movement
Weather (receive only)
Weather (receive only)
Weather (receive only)
Weather (receive only)
Weather (receive only)
Weather (receive only)
Weather (receive only)
Weather (receive only)
Weather (receive only)
Weather (receive only)
115
MENU TREE
Bold Italic : Default,
Under Line : “FACTORY RESET” items
MAIN MENU
├ DSC CALL
│ ├ INDIVIDUAL (DIRECTORY, RECENT CALL, MANUAL ID)
│ ├ GROUP (DIRECTORY, RECENT CALL, MANUAL ID)
│ ├ ALL SHIPS (SAFETY, URGENCY)
│ ├ POS REQUEST (DIRECTORY, RECENT CALL, MANUAL ID)
│ ├ AUTO POS POLLING
│ │ ├ ACTIVATION (START, STOP)
│ │ ├ SELECT ADDRESS
│ │ └ MONITOR POSITION
│ ├ DSC LOG
│ │ (RX DISTRESS LOG, RX POS REQ LOG, RX OTHER LOG, TX LOG,
│ │ TX ACK LOG)
│ └ DSC TEST (DIRECTORY, RECENT CALLS, MANUAL ID)
├ CH WATCH
│ ├ DUAL CH
│ └ TRIPLE CH
├ SCAN
│ ├ SCAN ALL
│ ├ SCAN ALL+16
│ ├ MEMORY SCAN
│ ├ MEMORY SCAN+16
│ └ EDIT MEMORY CH (ALL OFF)
├ WEATHER MODE
├ FOG/HAILER/IC
│ ├ FOG HORN
│ │ ├ MANUAL HORN
│ │ ├ MANUAL YELP
│ │ └ AUTO FOG MODE (UNDERWAY, STOPPED, SAILBOAT, TOWED,
ANCHORED, AGROUND)
│ │
│ ├ HAILER
│ ├ INTERCOM
│ └ EDIT HANDSET NAME
├ SET MMSI
├ GENERAL SETUP
│ ├ DISPLAY SETUP
│ │ ├ BACKLIGHT (OFF, 1 to 8, MAX, 5)
│ │ ├ CONTRAST (MIN, 1 to 8, MAX, 5)
│ ├ UNITS
│ │ ├ TIME FORMAT (12 HOUR, 24 HOUR)
│ │ ├ TIME OFFSET (-13 to +13, 0)
116
│ │ ├ SPEED (KNOTS, MILE/HOUR, KILOMETER/HOUR)
│ │ └ BEARING (TRUE, MAGNETIC)
│ ├ KEY BEEP (OFF, LEVEL1, LEVEL2, LEVEL3, MAX)
│ ├ GNSS SETUP
│ │ ├ INTERNAL GNSS (ON, OFF)
│ │ ├ COG/SOG DISPLAY (ON, OFF)
│ │ └ MANUAL POSITION
│ ├ WEATHER ALERT (ON, OFF)
│ ├ I/O PORT SETUP
│ │ ├ SELECT OUTPUT PORT (NMEA2000, NMEA0183)
│ │ ├ GNSS OUTPUT (ON, OFF)
│ │ ├ DSC OUTPUT (ON, OFF)
│ │ └ AIS OUTPUT (ON, OFF)
│ ├ SYSTEM INFO
│ │ ├ SOFTWARE VERSION (OWN UNIT, ALL UNIT)
│ │ ├ DIAGNOSTIC TEST (OK/NO/NG)
│ │ └ FACTORY RESET
│ ├ FOG HORN FREQ (200Hz to 850Hz, 400Hz)
│ └ SERVICE MENU (Requires password access. For service personnel only)
├ CH FUNCTION SETUP
│ ├ CH GROUP (INTERNATIONAL, USA, CANADA)
│ ├ 2ND PRIORITY (CH 09)
│ ├ EDIT CH NAME
│ └ PRIVATE CH (NONE, BELGIUM, DK LEISURE, DK FISH, FI LEISURE, FI FISH,
HOLLAND, NOR LEISURE, NOR FISH, SW LEISURE, SW FISH, UK)
│
├ DSC SETUP
│ ├ INDIV DIRECTORY
│ ├ GROUP DIRECTORY
│ ├ AUTO CHANGE CH (MANUAL, AUTO)
│ ├ INDIVIDUAL ACK (MANUAL, AUTO)
│ ├ POSITION ACK (MANUAL, AUTO, IGNORE)
│ ├ TEST ACK (MANUAL, AUTO)
│ ├ AUTO POS INTERVAL
(1MIN, 2MIN, 3MIN, 5MIN, 10MIN, 20MIN, 30MIN, 40MIN)
│ │
│ └ TIMEOUT
│
├ NON DISTRESS (15MIN, NO TIMEOUT)
│
└ RX DISTRESS (15 MIN, NO TIMEOUT)
└ ATIS SETUP
├ ATIS (ON, OFF)
└ SET ATIS ID
SQUELCH (OFF, 1 to 8, MAX, 3)
VOLUME (OFF, 1 to 14, MAX, 1)
117
HAILER VOLUME (OFF, 1 to 14, MAX, 1)
HAILER TAKING VOLUME (OFF, 1 to 14, MAX, 1)
HAILER LISTENING VOLUME (OFF, 1 to 14, MAX, 1)
INTERCOM VOLUME (OFF, 1 to 14, MAX, 1)
118
SPECIFICATIONS
1.
1.1
1.2
1.3
1.4
1.5
GENERAL
Channels
Frequency stability
Communication system
Antenna impedance
Display
2. TRANSMITTER
2.1 Frequency Range
2.2 Output power
2.3 Frequency deviation
2.4 Spurious emission
2.5 Modulation
International, USA and Canada
With±1.5 kHz
Simplex / Semi-duplex
50 ohms
Monochrome, 192×128 dot (FM-4800, HS-4800)
156.025 MHz to 162.000MHz ( International)
156.025 MHz to 157.425MHz( USA and Canada)
25W max., 1W at power reduction
±5 kHz max.
Standby : less than 2nW
Transmit : less than 0.25μW
16K0G3E Voice, 16K0G2B DSC
3. RECEIVER
155.500MHz to 162.0375MHz
3.1 Frequency range
Frequency range of Weather Channel
162.550 MHz to 163.275 MHz (Only USA and Canada)
3.2 Sensitivity
+6 dBμV(e.m.f) or less (SINAD 20dB)
3.3 Channel selectivity
70dB or more
3.4 Spurious response
70dB or more
4.
4.1
4.2
4.3
4.4
DSC receiver
Protocol
Sensitivity
Channel selectivity
Spurious response
Class D DSC
0 dBμV(e.m.f) or less (BER < 1%)
70dB or more
70dB or more
5.
5.1
5.2
5.3
5.4
AIS receiver
Receiver frequency (CH)
Sensitivity
Channel selectivity
Spurious response
161.975 MHz (AIS1), 162.025 MHz (AIS2)
-107 dBm or less (PER < 20%)
70dB or more
70dB or more
6.
6.1
6.2
6.3
6.4
6.5
GNSS receiver
Receiving Frequency
Number of channel
Accuracy
Position fixing time (cold start)
Position update interval
1575.42 MHz
72 channels
10 m
120 sec typical
1 sec
119
7.
7.1
7.2
7.3
7.4
SPEAKER POWER OUTPUT
Built-in speaker
Microphone
Handset
External speaker
7.5 Hailer speaker
3W (8ohm)
1W (16ohm)
1W (16ohm)
3W (8ohm, Via a handset extension cable)
5W (8ohm, Via pigtail)
30W max. (4 ohm)
15W (4 ohm, 1kHz, 12.0V, 10% distortion)
8. INTERFACE
8.1 Number of port
NMEA0183 1 port, NMEA2000 1 port
8.2 NMEA0183 [Sentence]
Input
DTM, GGA, GLL, GNS, RMA, RMC
Output
DSC, DSE, GLL, RMC, VDM
8.3 NMEA0183 [Load requirements as a listener]
Isolation
Opto-coupler
Input impedance
520ohm
Max. voltage
±15V
Threshold
1.3mA
8.4 NMEA0183 [Output drive capability]
R=54 ohm, 1.5V min.
Short circuit output current :±250mA
8.5 NMEA2000 [PGN]
Input
059392/904, 060160/416/928, 065240,
126208, 127258, 129026/029/044
Output
9. POWER SUPPLY
9.1 Power voltage
9.2 Power consumption
059392, 060928,126208/464/993/996/998,
129025/026/029/038/039/040/041/540/793/794,
129795/797/798/801/802/808/809/810
12.0 V DC (-10%, + 30%)
Transmit : 5 A (at 25W output, with all options)
Receive : 2.5 A (at 3W audio output)
Standby : 1 A
10. ENVIRONMENTAL CONDITION
10.1 Ambient temperature
-15℃ to +55℃
10.2 Relative humidity
93% or less at +40℃
10.3 Degree of protection
IP67 (FM-4800, HS-4800, SP-4800)
120
PACKING LIST
121
122
123
124
OUTLINE DRAWINGS
FM-4800
Desktop mounting
125
Flush mounting
126
Hanger Mounting
127
MIC-4800
Desktop mounting and Bulkhead (Wall)
128
HS-4800
Desktop mounting and Bulkhead (Wall)
129
SP-4800
Desktop Mount
130
Flush mounting
131
INTERCONNECTION
VHF ANT(※1)
RG-58/U 10m
12
0.7m
(Max tensile 2.0m)
MICRO
PHONE
MIC-4800
GND
Power (-)
SPK-
Hailer-
0.4M
0.4M
PURPLE
GRAY
RED
8A
2.0M
VCTF 1.25sq 2C
MAX 20.0m (※1)
BROWN
WHITE
BROWN
WHITE
GREEN
YELLOW
VCTF 1.25sq 2C
MAX 15.0m (※1)
YELLOW
BLACK
TD (A)
GREEN
0.4M
TD (B)
SPK+
EX-CBL-FM10M
10.0M (※2)
EX-CBL-FM5M
5.0M (※2)
SPK-
0.5M
12
RED
BLACK
Power 12VDC (※1)
Speaker 8Ω ※1
For example : FURUNO SP-4800
Horn Speaker 4Ω※1
For example : Standard Horizon 240SW
2.0M
SPK-
SPK+
SPEAKER
SP-4800
(※2)
HANDSET
HS-4800
(※2)
0.7m
(Max tensible 2.0m)
12
GRAY
PURPLE
SPK+
T-CONNECTOR
NAV EQUIPMENT
0.5M
SPK-
EX-CBL-FM10M
10.0M (※2)
EX-CBL-FM5M
5.0M (※2)
MJ-A6SPF003
MAX 5.0m (※1)
EX-CBL-FM10M
10.0M (※2)
EX-CBL-FM5M
5.0M (※2)
Max 30.0M
12
SPK-
0.5M
SPK+
FRU-NMEA-PFF MAX 6.0m (※1)
10
12
RD (C)
(※1)
HS
NMEA2000
RD (H)
NMEA0183
Hailer+
Hailer
SPK+
EXT SPK
Power (+)
POWER
MARINE VHF
RADIOTELEPHONE
FM-4800
VHF ANT
MIC
(※1) SHIPYARD SUPPLY.
(※2) OPTION.
132
TOOLS
No.
Name
Diagonal pliers
Philips screwdriver
Flathead screwdriver
Adjustable wrench
Heat gun
Marker
Multimeter
ESD-preventive gloves
ESD-preventive wrist strap
No.
10
11
12
13
14
15
16
17
133
Name
Utility knife
Wire stripper
Electric iron
Heat-shrink tube
Waterproof adhesive tape
Electric drill
Drill
Electric saw

---

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