Furuno FM-4721 Operator'S Manual Download Page 5

iv

TABLE OF CONTENTS

FOREWORD ..................................................................................................................vii
SYSTEM CONFIGURATION ........................................................................................viii

1.

GETTING STARTED..............................................................................................1-1

1.1

Emergency Call (CH16) ............................................................................................. 1-1

1.2

How to Call Another Vessel (CH16 or CH9) .............................................................. 1-1

1.3

How to Make Telephone Calls ................................................................................... 1-2

1.4

Channels 13 and 67 (USA channel group only)......................................................... 1-2

2.

OPERATION ..........................................................................................................2-1

2.1

Controls...................................................................................................................... 2-1
2.1.1

Transceiver Unit ............................................................................................. 2-1

2.1.2

Handset HS-4721........................................................................................... 2-3

2.2

Reception ................................................................................................................... 2-5

2.3

Transmission.............................................................................................................. 2-5

2.4

Transmit Timeout Timer (TOT) .................................................................................. 2-6

2.5

Simplex/Duplex Channel Use .................................................................................... 2-6

2.6

International, Canada, and USA Mode ...................................................................... 2-6

2.7

Backlight Adjustment.................................................................................................. 2-6

2.8

NOAA Weather Channels .......................................................................................... 2-7
2.8.1

NOAA weather alert ....................................................................................... 2-7

2.8.2

NOAA weather alert test ................................................................................ 2-7

2.9

Dual Watch (To CH16)............................................................................................... 2-8

2.10 Scanning .................................................................................................................... 2-8

2.10.1 How to select the scan type ........................................................................... 2-8
2.10.2 How to program the scan memory ................................................................. 2-9
2.10.3 Memory scanning (M-SCAN) ......................................................................... 2-9
2.10.4 Priority scanning (P-SCAN).......................................................................... 2-10

2.11 How to Preset Channels (0-7): Instant Access ........................................................ 2-10

2.11.1 How to preset channels................................................................................ 2-10
2.11.2 How to activate preset channels .................................................................. 2-11
2.11.3 How to delete preset channels..................................................................... 2-11

2.12 PA HAIL, FOG HORN Operation ............................................................................. 2-11

2.12.1 PA HAIL mode ............................................................................................. 2-11
2.12.2 FOG HORN mode........................................................................................ 2-12

2.13 Intercom Operation .................................................................................................. 2-13

2.13.1 Communication ............................................................................................ 2-13
2.13.2 How to call on the Intercom.......................................................................... 2-14

2.14 Bluetooth Operation (option) .................................................................................... 2-14

2.14.1 Pairing .......................................................................................................... 2-14
2.14.2 Operation ..................................................................................................... 2-15
2.14.3 VOX feature ................................................................................................. 2-15
2.14.4 Battery saver ................................................................................................ 2-16

2.15 Voice Scrambler (option).......................................................................................... 2-16

3.

DIGITAL SELECTIVE CALLING ...........................................................................3-1

3.1

General ...................................................................................................................... 3-1

3.2

Maritime Mobile Service Identity (MMSI) ................................................................... 3-1
3.2.1

What is an MMSI?.......................................................................................... 3-1

3.2.2

How to enter your MMSI number ................................................................... 3-1

3.3

DSC Distress Alert ..................................................................................................... 3-2
3.3.1

How to transmit a DSC Distress Alert ............................................................ 3-2

www.busse-yachtshop.de  |  [email protected]

Summary of Contents for FM-4721

Page 1: ...MARINE VHF RADIOTELEPHONE FM 4721 OPERATOR S MANUAL www furuno com MODEL www busse yachtshop de info busse yachtshop de...

Page 2: ...local regulations for the disposal of industrial waste For disposal in the USA see the homepage of the Electronics Industries Alliance http www eiae org for the correct method of disposal How to disca...

Page 3: ...ety instructions before attempting to install or operate the equipment Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially...

Page 4: ...applied while the equipment is being installed RADIO FREQUENCY RADIATION HAZARD Distances at which RF radiation level of 100 10 and 5 05 W m2 are shown below 100 W m2 Not applicable 10 W m2 Not appli...

Page 5: ...program the scan memory 2 9 2 10 3 Memory scanning M SCAN 2 9 2 10 4 Priority scanning P SCAN 2 10 2 11 How to Preset Channels 0 7 Instant Access 2 10 2 11 1 How to preset channels 2 10 2 11 2 How to...

Page 6: ...3 How to transmit a Position Request call to another vessel 3 19 3 8 4 When you receive a Position Request call 3 20 3 9 Position Report Call 3 20 3 9 1 How to enable disable the position report ringe...

Page 7: ...1 Transceiver Unit 8 1 8 1 1 Desktop or overhead mount 8 1 8 1 2 Flush mount option 8 2 8 2 Antenna 8 2 8 3 Coa ial Cable 8 3 8 4 Electrical Connections 8 3 8 5 Accessory Cable 8 5 8 6 Handset HS 4721...

Page 8: ...allocated marine channels Channels are switchable for use with USA International or Canadian regulations Emergency CH16 can be immediately se lected by pressing the 16 9 key NOAA weather channels wher...

Page 9: ...Handheld MIC Handset HS 4721 Loudhailer PA Horn Handset HS 4721 TRANSCEIVER UNIT FM 4721 ANTENNA UNIT Optional local supply equipment indicated with dashed lines 10 8 15 6 VDC MEM Bluetooth Adapter U...

Page 10: ...re is no answer repeat the above procedure If there is still no response try another channel Note The FM 4721 has DSC Distress calling which can send a distress call digitally to all ships with compat...

Page 11: ...arts in the Appendix Some examples for USA use are Channels 24 25 26 27 28 84 85 86 and 87 Call the marine operator and identify yourself by your vessel s name The marine operator then asks you how yo...

Page 12: ...h control may degrade reception of wanted transmissions 3 Soft keys The three soft keys functions can be customized on the Setup Menu See section 4 12 Soft Keys When one of the soft keys is pressed br...

Page 13: ...put the digit 5 in a channel number UN key key Activate the intercom mode between the radio and the Handset See section 2 13 Intercom Operation for details R Directly input the digit 6 in a channel nu...

Page 14: ...ce communications with another vessel PA mode Press the PTT switch to amplify your voice over a PA horn HS 4721 Handset connected and intercom mode enabled Press the PTT switch to enable voice commu n...

Page 15: ...Squelch Control First press Volume adjustment mode Second press Squelch adjustment mode Third press Exit adjustment mode When in volume or squelch mode press the S or T keys to adjust the level H L T...

Page 16: ...he 8 PA key 3 Press the ENT key In the USA and Canadian modes press and hold down the 0 key to select the A channel For example to select CH22A 1 Press the 2 MEM key 2 Press the 2 MEM key 3 Press the...

Page 17: ...ered from simplex to duplex or vice versa 2 6 International Canada and USA Mode To change the channel Group call from International to Canada or USA 1 Press and hold down the CALL MENU key until the S...

Page 18: ...anning Follow the same procedure as for regular channels under paragraph 2 10 3 Memory scanning M SCAN 2 Press the FUNC key followed by the 3 SCAN key to start memory scanning 3 The programmed NOAA we...

Page 19: ...tep 2 the FM 4721 starts dual watch on CH16 4 To stop dual watch press the FUNC key followed by the 6 DW key Note The priority channel may be changed from CH16 to another channel Refer to section 5 5...

Page 20: ...appears from the display 7 When you have completed your selection press the QUIT soft key several times to return to radio operation Note You may add delete the current channel to from the scan list b...

Page 21: ...then press the PRESET soft key to activate the user assigned channel bank efore beginning the instant access operation assign the PRESET command into the one of the programmable keys See section 4 12...

Page 22: ...ohm PA horn F R NO offers a small and a large PA HAI horn the 220S and 240S respectively In the PA HAI mode the PA speaker listens back acts as a microphone and sends sound to the front panel speaker...

Page 23: ...b to adjust the listenback volume 6 To exit the FOG HORN mode press the QUIT soft key or CLR WX key FOG HORN timing chart Type Pattern Usage Underway One 5 second blast every 120 seconds Motor vessel...

Page 24: ...rcom is dis played on the radio and the HS 4721 3 Press the PTT switch on the radio Talk appears on the display FM 4721 s PTT switch is pressed HS 4721 s PTT switch is pressed Note A warning beep soun...

Page 25: ...Rotate the CH knob to select Bluetooth then press the SELECT soft key 4 Rotate the CH knob to select PAIRING then press the SELECT soft key 5 Bring the BH 2A Bluetooth Headset close to the FM 4721 th...

Page 26: ...2A battery with the CD 40 Charger Cradle 2 14 3 VOX feature The VOX Voice Operation Transmission feature provides automatic transmit receive switching based on voice input to the microphone With the...

Page 27: ...BH 2A turns off automatically Off Disables the Battery Saver in the BH 2A 2 15 Voice Scrambler option The optional Voice Scrambler FVP 42 is a 32 code voice scrambler VS that installs in the transceiv...

Page 28: ...other vessel equipped with a DSC trans ceiver 3 2 Maritime Mobile Service Identity MMSI 3 2 1 What is an MMSI An MMSI is a nine digit number used on marine transceivers capable of using DSC This numbe...

Page 29: ...with the DSC distress alert 3 3 1 How to transmit a DSC Distress Alert Note To transmit a DSC Distress Alert an MMSI number must be registered in the transceiver Refer to section 3 2 2 for how to ent...

Page 30: ...o show the NATURE OF menu 4 Rotate the CH knob to select the desired nature of dis tress category then press the SELECT soft key For example select Fire 5 Lift the red spring loaded DISTRESS cover 6 P...

Page 31: ...nd hold the ENT soft key for two seconds to save the position entered 6 ift the red spring loaded DISTRESS cover 7 Press and hold the D STR SS key approx 3 sec onds The unit beeps and the display coun...

Page 32: ...nsmit the DSC Dis tress Alert press the RES ME soft key How to cancel a DSC Distress Alert If you sent a DSC Distress Alert unintentionally you must transmit a message to other vessels to cancel that...

Page 33: ...essage This call is the same as saying Securite Securite Securite 3 4 1 How to transmit an All Ships call 1 Press the CALL M N key to show the DSC Menu 2 Rotate the CH knob to select All Ships then pr...

Page 34: ...channel 4 Press the QUIT soft key to return to the channel display 3 5 Individual Call The Individual call contacts another vessel with a DSC VHF radio and automatically switches the receiving radio t...

Page 35: ...rong digit press the BACK soft key until the wrong digit is selected then press the correct numeric key 10 After you have entered the MMSI number press and hold the ENT soft key to save the data 11 Pr...

Page 36: ...vidual Group call ringer time 1 Press and hold down the CALL MENU key until the Setup Menu appears 2 Rotate the CH knob to select DSC Setup menu then press the SELECT soft key 3 Select Individual Ring...

Page 37: ...ndividual call acknowledgment is received the established channel is automatically changed to the channel which is selected at step 4 above and a ringing tone sounds 7 Press the IT soft key to listen...

Page 38: ...to recei e an ndi id al call hen an individual DSC call is received the radio proceeds according to how it is set for individual call reply In automatic reply the radio automatically responds default...

Page 39: ...below A L to reply NA L to reply 1 Press the A E soft key 2 Do one of the following a Transmit on the channel select ed Press the ES soft key o to step 5 b Transmit on a di erent channel Press the CH...

Page 40: ...ils for the selected station 5 Press the CALL soft key to retransmit the call if de sired or the QUIT soft key to close the log 3 6 2 Distress log 1 Press the CALL MENU key to show the DSC Menu 2 Rota...

Page 41: ...radio operation 3 7 Group Call A Group call allows the user to contact a group of specific vessels example members of a yacht club using DSC radios that have a Group call function When a Group call i...

Page 42: ...the CH knob then press the SELECT soft key 4 Select Add with the CH knob then press the SE LECT soft key 5 Enter the first letter of the name of the group you want to reference in the directory Exampl...

Page 43: ...roup call automatically switch to the designated channel isten to the channel to make sure it is not busy then press the microphone s PTT switch and call the other vessel you desire to communicate wi...

Page 44: ...7 3 How to recei e a ro p call 1 hen a roup call is received the FM 4721 releases the ringer alarm and the radio automatically switches to the requested channel 2 Press any key to stop the alarm 3 Fo...

Page 45: ...until the Setup Menu appears 2 Rotate the CH knob to select DSC Setup menu then press the SELECT soft key 3 Select Position Reply with the CH knob then press the SELECT soft key 4 Select Automatic or...

Page 46: ...he Individual Directory 1 Press the CALL MENU key to show the DSC Menu 2 Rotate the CH knob to select POS Request then press the SELECT soft key to show the POS Re quest Call display 3 Press the NEW I...

Page 47: ...ress the REPLY soft key Or to exit from the position request display without transmitting position press the QUIT soft key 3 9 Position Report Call A Position Report call transmits your position to an...

Page 48: ...it your position to vessel not registered in the Individual Directory 1 Press the CALL MENU key to show the DSC Menu 2 Rotate the CH knob to select POS Report then press the SELECT soft key 3 Press th...

Page 49: ...ger sounds and NMEA sentences DSC DSE are outputted to a PS chart plotter if connected to the FM 4721 2 Press the CLR key to stop the ringer 3 Rotate the CH knob to see the position information of the...

Page 50: ...3 1 1 Selecting stations to be a tomatically polled trac ed Note The radio uses the individual directory to select stations Refer to paragraph 3 5 1 and enter MMSI of stations you want to poll before...

Page 51: ...sition reports from a called vessel the NMEA 0183 DSC and DSE sentences are output to a GPS chart plotter 3 11 Auto CH Switch Time This feature allows you to change the switching time which is automat...

Page 52: ...12 1 How to make a DSC test call with MMSI in the Individual Direc tory 1 Press the CALL MENU key to show the DSC Menu 2 Rotate the CH knob to select DSC Test then press the SELECT soft key 3 Rotate t...

Page 53: ...ess the SELECT soft key 4 Enter the MMSI number which you want to contact 5 Press and hold the SELECT soft key to show the Test Call page 6 Press the YES soft key to transmit the DSC test call to the...

Page 54: ...o ra dio operation 4 2 Time Offset If you want to use local time set the time difference between UTC and local time The offset is added or subtracted from the time received from the GPS receiver or ch...

Page 55: ...nob to select 12 Hour or 24 Hour then press the ENT soft key to store the selected set ting 5 Press the QUIT soft key several times to return to radio operation 4 5 Units of Measurement Select the uni...

Page 56: ...ition input the GPS icon appears flashing as shown in the figure at the bottom of this page 1 Press and hold down the CALL MENU key until the Setup Menu appears 2 Select General Setup with the CH knob...

Page 57: ...n press the ENT soft key 5 Rotate the CH knob to select desired audio response in the lower frequency range then press the ENT soft key to store the selected setting The setting range is 6 to 6 6 Sele...

Page 58: ...e named then press the ENT soft key 5 Press applicable key to enter the first letter of the new station name Example Press the 2 MEM key repeatedly to toggle among the seven available characters assoc...

Page 59: ...t the key Key 1 Key 2 Key 3 etc then press the SELECT soft key 8 Rotate the CH knob to select a new function then press the ENT soft key See the table below for func tions 9 Press the QUIT soft key 10...

Page 60: ...the previous page Repeat step 6 to program the other soft keys 7 Press the S or T key to select ey Timer then press the SE ECT soft key ey Timer sets how long a soft key icon is shown on the display a...

Page 61: ...ne 6 To enter the time press the ENT soft key until the first digit in the Time line is selected then enter the time with the numeric keys 7 Press and hold the ENT soft key to store the selected setti...

Page 62: ...ch menu are the same No Act Timer on Menu Set the number of minutes to keep a menu screen dis played before the standby screen is restored if there is no radio operation No Act Timer on DSC Set the nu...

Page 63: ...4 GENERAL SETUP 4 10 This page is intentionally left blank www busse yachtshop de info busse yachtshop de...

Page 64: ...e desired scan channels in the scan memory as shown below 1 Press and hold down the CALL MENU key until the Setup Menu appears 2 Rotate the CH knob to select CH Function Setup then press the SELECT so...

Page 65: ...unction Setup then press the SELECT soft key 3 Select Scan Resume with the CH knob then press the SELECT soft key 4 Rotate the CH knob to select the desired resume time then press the ENT soft key to...

Page 66: ...AA weather channels You can turn this alert on or off 1 Press and hold down the CALL MENU key until the Setup Menu appears 2 Rotate the CH knob to select CH Function Setup then press the SELECT soft k...

Page 67: ...er of the new channel name Example Press the 4 DIM key repeatedly to toggle among the seven available characters associated with the key 4 G H I g h i 4 6 Press the ENT soft key to store the first let...

Page 68: ...e Setup Menu appears 2 Rotate the CH knob to select ATIS Setup menu then press the SELECT soft key 3 Select ATIS Code with the CH knob then press the SELECT soft key 4 Press applicable keys to enter y...

Page 69: ...the CH knob to select ATIS Group menu then press the SELECT soft key 3 Rotate the CH knob to select Group then press the SELECT soft key 4 Rotate the CH knob to select the channel Group call you wish...

Page 70: ...n 10 8 15 6 VDC Use only FURUNO approved accessories and replacement parts Wipe the LCD carefully to prevent scratching using tissue paper and an LCD clean er To remove dirt or salt deposits use an LC...

Page 71: ...ted from the internal or external speaker Accessory cable Check the connections of the accessory cable for short circuit on external speaker cable WHITE SHIELD Sound is not emitted from the PA speaker...

Page 72: ...How to Clear the Memory To clear the scan memory and preset memory 1 Turn the radio off 2 Press and hold down the three soft keys then turn on the radio 7 5 How to Reset the Microprocessor To clear a...

Page 73: ...1 Long push the CALL MENU key to show the Setup Menu 2 Rotate the CH knob to select Daily Test then press the Select soft key 3 Push the ENT soft key to start the test The message Testing appears mom...

Page 74: ...e a burn injury Select a location where it cannot be easily touched Note To insure the radio does not affect the compass and the radio s performance is not affected by the antenna location temporarily...

Page 75: ...ght against the mounting surface 8 2 Antenna Marine antennas are made to radiate signals equally in all horizontal directions but not straight up The objective of a marine antenna is to enhance the si...

Page 76: ...d antenna to the radio The antenna and power supply connections are as follows 1 Mount the antenna at least 1 m away from the radio At the rear of the radio con nect the antenna cable The antenna cabl...

Page 77: ...Accessory Cable Power Cable and Exten sion Cable then snap its two halves together as shown in the illustration below Attach each ferrite core as close as possible to the transceiver body as shown Fin...

Page 78: ...to external 4 ohm audio speaker SHIELD External Speaker Connect to external 4 ohm audio speaker RED PA Speaker Connect to external 4 ohm PA speaker SHIELD PA Speaker Connect to external 4 ohm PA speak...

Page 79: ...e connection between the radio and the PS re ceiver Note The indication POS Data Manual appears when position is input manually 6 Handset HS 4721 The Handset remotely controls the Radio DSC and PA Fog...

Page 80: ...necting the wires to ensure watertight integrity efore cutting the cable make sure it is not plugged into the radio After you have cut the cable note the following wires ellow reen rown Purple lue ree...

Page 81: ...he Equipment from the Menu 8 7 1 How to set time offset to show local time The FM 4721 is set at the factory to show GPS satellite time or UTC time when an optional GPS receiver is connected If you pr...

Page 82: ...tup with the CH knob then press the SELECT soft key 3 Rotate the CH knob to select Time Display then press the SELECT soft key 4 Rotate the CH knob to select 12 Hour or 24 Hour then press the ENT soft...

Page 83: ...ector connected between the cover and the circuit board in the transceiver Remove the paper tape from the location shown in the figure below 3 Mate the connector on the Bluetooth Adapter circuit board...

Page 84: ...ceiver Touch a metal place to discharge any static electricity from your body 1 Do steps 1 and 2 in section 8 8 1 to remove the cover and unplug a connector 2 Turn the transceiver upside down 3 Unfast...

Page 85: ...ield cover 7 Turn the transceiver right side up 8 Check that the gasket at the rear of the transceiver is properly seated See the figure at the bottom of page 8 10 9 Set the cover to the transceiver a...

Page 86: ...ssels in the vicinity of these bridges for navigation and for communicating with the bridge operators Note that a limit of 1 Watt is specified for these channels 4 The S D column on the chart indicate...

Page 87: ...900 Commercial 19 X D 156 950 161 550 Port operation ship movement 19A X S 156 950 US Commercial 19A X S 156 950 Coast Guard 20 X X X D 157 000 161 600 Canadian Coast Guard Only International port ope...

Page 88: ...69 X X X S 156 475 US Non commercial Recreational Canada Commercial fishing only International Inter ship Port operations and Ship movement 70 X X X S 156 525 Digital selective calling voice communica...

Page 89: ...84 X X X D 157 225 161 825 Public Correspondence Marine Operator 85 X X X D 157 275 161 875 Public Correspondence Marine Operator 86 X X X D 157 325 161 925 Public Correspondence Marine Operator 87 X...

Page 90: ...12 hour 24 hour Unit of Measure Magnetic True Magnetic Position Input Enter position time Key Beep High Level 1 Level 6 Off Tone Control Fog Frequency 200 850 Hz 50 Hz steps 400 Hz Station Name Name...

Page 91: ...Act Timer on DSC OFF 1 2 3 4 5 10 15 20 min No Act Timer on DIST OFF 1 2 3 4 5 10 15 20 min Select Call Individual Group All Ships Pos Request Pos Report Geographical Beep On Off POS Request Continue...

Page 92: ...3000 H 2 5 Audio distortion 5 2 6 Modulation 16 0 3E for DSC 16 0 2 2 7 Frequency stability 0 0005 15 C to 55 C 2 FM hum and noise 40 d 3 R C R 3 1 Frequency range 156 050 to 163 275 MH 3 2 Sensitivi...

Page 93: ...FURUNO FM 4721 SP 2 E56 4S01E 110415 This page is intentionally left blank www busse yachtshop de info busse yachtshop de...

Page 94: ...fied 3 3 transmitting with manual position 3 4 DISTRESS key 2 2 3 2 3 4 DSC distress call log 3 13 DSC log deleting calls 3 14 DSC distress call log 3 13 other call log 3 13 transmitted DSC call log 3...

Page 95: ...itting to manually entered MMSI 3 19 transmitting to MMSI in Individual Directory 3 19 Priority CH 5 2 Priority scanning 2 10 PWR key 2 2 R Reception 2 5 S Scan memory 2 9 Scanning memory scanning 2 9...

Page 96: ...www busse yachtshop de info busse yachtshop de...

Page 97: ...1 0 798 6 5 2111 Fax 81 0 798 6 5 4200 FURUNO Authorized Distributor Dealer All rights reser ved Pub No OME 56840 A1 FM 4721 A1 MAY 2011 Printed in Japan Elemental Chlorine Free The paper used in this...

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