How it Works
Furuno USA
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9ZWFM4800
User Manual
141 pgs3.87 Mb0
Table of contents
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Furuno USA 9ZWFM4800 User Manual

OPERATOR'S MANUAL
MARINE VHF
RADIOTELEPHONE
Model
FM-4800
www.furuno.com
SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS
Do not open the equipment unless totally familiar with electrical circuits.
The equipment uses high voltage that can cause electrical shock.
WARNING
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.
(MPE: Minimum Permissible Exposure)
100 W/m
2
0.12 m
10 W/m
2
0.39 m
0.2 mW/cm
2
1.50 m
IEC 60945 IEC 60945
MPE by FCC
RF power density on antenna aperture
Distance
Description required by
Maximum Antenna Gain: 6dBi
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.
1.2 W/m
2
2.50 m
MPE by IC
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.
[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.
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
Confirm that the power supply voltageis compatible with the voltage rating of the equipment.
Connection to the wrong power supply can cause fire or damage the equipment.
CAUTION
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.
Observe the following safe compass distances to prevent interference to a magneticcompass:
Standard compass
Steering
compass
0.65 m 0.40 m
FM-4800
0.70 m 0.45 m
HS-4800
2.65 m 1.75 m
SP-4800
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.
Contents
FOREWORD ................................................................................... 1
SYSTEM CONFIGURATION ........................................................... 2
1.
2.
3.
4.
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
CONTROLS .......................................................................... 5
2.1 Radio ............................................................................................................... 5
2.2 Microphone ..................................................................................................... 6
2.3 Handset ........................................................................................................... 8
HOME SCREEN ................................................................. 10
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
i
5.
6.
7.
8.
9.
CHANNEL WATCH ............................................................ 47
5.1 Dual Channel ................................................................................................ 47
5.2 Triple Channel ............................................................................................... 47
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
Weather Mode .................................................................... 53
Fog Horn/Hailer/Intercom ................................................. 55
8.1 Fog Horn ....................................................................................................... 55
8.2 Hailer ............................................................................................................. 59
8.3 Intercom ........................................................................................................ 60
8.4 Edit Handset Name ....................................................................................... 61
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 Form at ...................................................................................... 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" Interfac e ............................................ 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 t he 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.)
1
SYSTEM CONFIGURATION
12VDC
External Speaker
Horn
Speaker
NAV
EQUIPMENT
NMEA0183
MICROPHONE
MIC-4800
HANDSET
HS-4800
Navnet
Tztouch/2
NMEA2000
EXTENSION
CABLE
MARINE VHF
RADIOTELEPHONE
FM-4800
Standard Supply
Optional Supply
Local Supply
SPEAKER
SP-4800
VHF ANT
2

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 microph one or handset and say
Step 2 Then repeat once: "Mayday, XXXXX" (your vessel's name). Step 3 Report your position in latitude/longitude, or give a true or ma gneti c
Step 4 Report the nature of your distress (sinking, collision, aground, fire, piracy,
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
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
"Mayday, Mayday, Mayday. This is XXXXX, XXXXX, XXXXX" (your vessel's name).
bearing to a well-known landmark such as a navigation aid or geographic feature such as an island or harbor entry.
life-threatening injury, etc.).
other distinguishing marks.
no response, try another channel.
Note
The total transmission should be within one minute.
The FM-4800 has DSC Distress calling, which can se nd a distres s call digitally to all ships with compatible DSC radios. For more information, see section 4 DIGITAL SELECTIVE CALLING.
If the eme rgency call is accidentally sent, please refer to "Sending a d istress 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 chan nel 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
3
should be within 1 minute, but can be repeated at a 2-minute interv al. Before contact anot her v ess el, r efer to the channel charts in the Appen dix and select
a proper channel (w orking c ha nnel) for use after initial contact. M onitor th e pr oposed channel to ensure you w on' t b e interrupting other traffic an d t hen g o 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 vess el and y our v essel 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 an d 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 automatical ly reduc e pow er to thi s limit o n these c hannel s. How ever, 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.
4
5
No.
Description
[DISTRESS]: Distress Key
[VOL/SQL]: Volume / Squelch Control
[MENU/DSC]: Menu / Digital Selective Calling (DSC) Control

2. CONTROLS

This section de scribes the controls of the radio FM-4800, the microphone MIC-4800, the handset HS-4800.

2.1 Radio

Short press: Enter the distress nature selection and position manual
1
input menu
Long press: Press the DISTRESS key for 4 seconds to send a distress
call.
Press: Switch between the volume adjust screen and the squelch adjust
screen
2
Rotate
On "SQUELCH" or "VOLUME" screen: Adjust the squelch or volume level
On other screens: Adjust the volume
On the home screen:
Press: Enter "MAIN ME N U"
3
On other screens:
Rotate: Switch to a channel
Press: Select item or confirm the sele ctio n
Rotate: Move to other item or select a number
6
No.
Description
[ ]: On / Off Key
[ ]: Back Key
entries, cancel calls, b ac ksp ac e the cursor, or back
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
eturn to the previously selected
CH16.
4
Short press: Enter the display setup mode Long press: Power on or power off
On the home screen: No function
5
6
On other screens:
Short press: Clear
up to the previous screen
(CH16 and CH9). Press the key again to r working channel.
Note
CH9 is used in some parts of the world as an alternative hailing channel to

2.2 Microphone

7
No.
Description
[PTT]: Push-to-Talk Key
radio mode to enable the radio for voice
When the PTT key on the microphone is pressed continuously, transmission
tomatically reduced to protect against overheating
due to continuous transmission .
[ ]: Cursor Key [HI/LO]: High / Low Power Switch
Press the switch to toggle between 25 W (High) and 1 W (Low)
[16/+]: 16/+ Key
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
an alternative calling channel to
CH16.
Press and hold the key in communication.
Note:
1
time is limited to five minutes. This limits unintentional transmissions due to a stuck PTT key.
In addition, Power is au
2
3
4
Changes the channel up or down.
Press working channel.
Note
CH9 is used in some parts of the world as
8
No.
Description
The transmitter is enabled for voice communications with another
When the PTT key on the microphone is pressed continuously,
five minutes. This limits unintentional
In addition, Power is automatically reduced to protect against overheating due to continuous transmission.
[MENU/DSC]: Menu / Digital Selective Calling (DSC) Control

2.3 Handset

[PTT]: Push-to-Talk Key
vessel. Note:
1
transmis sion time is limited to transmissions due to a stuck PTT key.
On the home screen:
Press: Enter "MAIN ME N U"
2
Rotate: Switch to a channel
On other screens:
Press: Select item or confirm the selection
Rotate: Move to other item or select a number
9
No.
Description
[VOL/SQL]: Volume / Squelch Control
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
[ ]: Back Key
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
an alternative calling
channel to CH16.
[ ]: On / Off Key Press the key to turn the handset on or off.
3
Press the key to switch between the
4
Short press: Enter the distress nature selection and position
5
manual input menu
Long press: Press the DISTRESS key for 4 seconds to send a
distress call.
On the home screen: No function On other screens:
6
7
Short press: Clear entries, cancel calls, backspace the cursor,
or back up to the previous screen
previously selected working channel.
Note
CH9 is used in some parts of the world as
8
10
No.
Description
- : indicates high power such as 25 W.
- : indicates low power such as 1 W.
: indicates internal and External GNSS.
current internal GNSS and External GNSS are not fixed.
3
: 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.
6
: 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 transmission.

3. HOME SCREEN

1
2
4
5
7
8
9
This icon disappears if there is no GNSS data. This icon f lashes with 500ms when there is GNSS data before, but
POLLING->ACTIVATION. This icon disappears if user selects END of AUTO POS
- ：Indicates reception.
：
11
No.
Description
Display location information including longitude, latitude, time, COG,
in sensor: The GNSS data from this sensor enjoys the
and NMEA2000, the GNSS data from NMEA2000 will be used.
In non scan mode: display CH NAME.
SCAN+16
12 & 13
Displays the current channel number. Note: the channel number 12 is not displayed.
- ：Indicates that the current channel is si mplex.
- ：Indicates that the current channel is duplex.
WEATHER MODE is ON.
and SOG. If there is no any information, it displays "NO GNSS DATA".
Note
There are three sensors including built-in sensor, NMEA2000 and NMEA0183. The last two are external sensors. Their priorities in
10
11
descending order are described as follows:
1. Built­highest 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
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 MEMOR Y S C AN MEMORY SCAN +16: indicates that the user selects MEMORY
14
- : This icon appears if CH GROUP is INT.
- : This icon appears if CH GROUP is USA
15
- : This icon appears if CH GROUP is CAN
- : This icon appears if CH GROUP is USA or CAN, and
12

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
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.

What Is an MMSI?

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 Go to "DSC SETUP > SET MMSI". Step 3 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 dig it.
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.
13

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 categori es: U ndes igna ted, Fir e, Floodi ng, C olli sio n, Groun din g, 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 r eceived, the distress signal is repeated at
3.5-to-4.5-minute in tervals, 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".
14
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 followi ng distress categories: Undesign ated, Fire, Flo odin g, Co lli sio n, G roundin g, 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 "NA TURE".
The "NATURE" screen appears.
Step 4 Select the nature of the distress. Step 5 Press and hold the Distress key (about 4 seconds). The unit beeps and
Step 6 When you receive the DSC acknowledgement, select "ACCEPT". Step 7 Press and hold the PTT key to announce your situation on CH16.
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 r eceived, the distress signal is repeated at
3.5-to-4.5-minute intervals, until a DSC acknowledgement is r eceived.
15
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 Open the cover labeled "DISTRESS". Step 2 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
Step 5 Press and hold the Distress key (about 4 seconds). The unit beeps and
of your vessel and current UTC time in 24-hour format.
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. T he FM -4800 has a provision to pause the retrans mitt ing of the distress call. To pause the distress call, select "PAUSE".
Restart the DSC distress call
After you select “PAUSE”, the but ton is sw itche d t o "RE SU ME ". At t h is t im e, y ou c an 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".
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Step 2 Select "YES".
Step 3 Select "OK".
Step 4 Press and hold the PTT key to announce your situation.
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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.
Step 2 Optional: The display shows the MMSI of the vessel in distress. To show
Step 3
Rotate the Menu/DSC control to stop the alarm.
additional information of the vessel in distress, select "INFO", and then select "OK".
To accept the distress call, select "ACCEPT".
The radio switches to CH16 automatically.
Note
If you press "CANCEL", the radio quits the automatic switching to CH16 and reverts to the last selected working channel.
Step 4 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 Acknow ledgement.
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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
Step 3 Select a channel. Step 4 Press the Menu/DSC control to initiate an individual call.
enter the "SELECT CH" interface.
When CH70 is busy, the following screen appears. You can wait
without pressing any key until CH70 is idle.
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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
Step 6 Press and hold the PTT key to talk into the microphone.
working channel changes to the channel selected in Step 3. Select "OK" on the screen.
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 pres s the Menu/DSC control to
Step 3 Select a channel. Step 4 Press the Menu/DSC control to initiate an individual call.
enter the "SELECT CH" interface.
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.
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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 conta ct, and then pres s 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 appe ars. You can wait
without pressing any key until CH70 is idle.
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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
Step 6 Press and hold the PTT key to talk into the microphone.
working channel changes to the channel selected in Step 3. Select "OK" on the screen.

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 th e 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".
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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 reque sted ch anne l. 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
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.
Step 3 Press and hold the PTT key to talk into the microphone.
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