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33

Sending stored messages

Selection by cursor

1.  Press the [File] key to open the file menu.

2.  Select file and press the [Enter] key.

3.  Press the [Call] key to send the call.

4.13 Message Log

The message log stores 50 each of the latest received
routine messages (other than Distress), received
distress messages, and transmitted messages, each
type in its own memory. When a message log memory
becomes full the oldest message in that memory is
automatically erased to make room for the latest. The
log file with the message of “

 Not read log” has

unread or unacknowledged Rx messages,
unacknowledged Tx messages and unread distress
messages.

The messages are saved to correspond logs as follows.

•

 

RCVD. (Received) ORDINARY:
All ships (Urgency, Safety), Individual (Urgency, Safety,
Routine), Group (Routine)

•

 

RCVD. (Received) DISTRESS: Distress, Distress Ack,
Distress Relay

•

 

TRANSMITTED: All above messages transmitted.

To view the message log do the following:

1.  Press the [Log] key to open the Sel. Log title menu.

R C V D . O R D I N A R Y

R C V D . D I S T R E S S
  N o t   r e a d   l o g
T R A N S M I T E D

S e l .   l o g t i t l e

There are unread or 
unacknowledged messages.

2.  Select RCVD. ORDINARY, RCVD DISTRESS or

TRANSMITTTED as appropriate and press the
[Enter] key.

Содержание FM-2721

Страница 1: ...MARINE VHF RADIOTELEPHONE FM 2721 ...

Страница 2: ... 65 4200 FIRST EDITION FIRST EDITION MAR MAR 2000 2000 Printed in Japan Printed in Japan All rights reserved All rights reserved E E FEB FEB 22 2002 22 2002 PUB No PUB No OME 56163 OME 56163 00080897300 00080897300 00080897300 00080897300 HIMA HIMA FM 2721 FM 2721 0 0 0 8 0 8 9 7 3 0 0 0 0 0 8 0 8 9 7 3 0 0 OME56163E00 OME56163E00 OME56163E00 OME56163E00 O M E 5 6 1 6 3 E 0 0 O M E 5 6 1 6 3 E 0 0...

Страница 3: ...N D E S I G N A T E D P o s 1 2 3 4 1 2 3 4 E 1 2 3 4 5 N 4 The equipment displays Wait for Ack Auto re Xmit while waiting for acknowledgment of the distress call Transmitting repeats with 3 5 to 4 5 minutes interval until pressing Cancel key 5 When you receive the distress acknowledgement call you are automatically connected to CH16 Hook off the handset if it is not already off hook Press the PTT...

Страница 4: ...to show the Sel Log file menu 3 Select Rcvd DISTRESS and then press the Enter key to view the contents of the distress message 4 Wait up to three minutes until the DIST ACK signal from a coast station is received 5 Open the Rcvd DISTRESS file again 6 Be prepared to follow the instructions of the coast station If you do not receive the DIST ACK signal follow the flow chart shown on the next page Th...

Страница 5: ...message contents Continue watch on CH 16 until you hear SEELONCE FINI which means complet ion of distress commu nication Follow instructions of coast station Is your vessel near vessel in distress No No Yes If you can assist the vessel in distress transmit acknowledge by voice to vessel in distress on CH 16 1 Say MAYDAY Once 2 Say ID number of vessel in distress 3 times 3 Say This is Once 4 Say ID...

Страница 6: ...ipment Do not disassemble or modify the equipment Fire electrical shock or serious injury can result Turn off the power immediately if waterleaks into the equipment or the equip ment is emmitting smoke or fire Continued use of the equipment can cause fire or electrical shock Any repair work must be done by a licensed radio technician Improper repair work can cause electrical shock or fire CAUTION ...

Страница 7: ...lash Water in the equipment can result in fire electrical shock or equipment damage ELECTRICAL SHOCK HAZARD Do not open the equipment unless totally familiar with electrical circuits and service manual Only qualified personnel should work inside the equipment WARNING Be sure that the power supply is compatible with the voltage rating of the equipment Connection of an incorrect power supply can cau...

Страница 8: ...rast 14 3 4 Selecting USA INT WX Channel 15 3 5 Selecting Channel 15 3 6 Adjusting Squelch 15 3 7 Adjusting Loudspeaker Volume 16 3 8 Muting the Loudspeaker 16 3 9 Setting Transmitter Power 16 3 10 Receiving a Telephone Call 16 3 11 Making a Telephone Call 17 3 12 Dual Watch 17 3 13 Starting Stopping Scanning 17 3 14 Intercom 18 3 15 Keyboard Lock 18 4 DSC Operation 19 4 1 Distress Call 19 4 2 Dis...

Страница 9: ...tics 38 6 3 Self check Messages 39 6 4 Menu Tree 40 Appendix 41 How to fabricate the cable for optional connector 17JE 23250 02 17JE 23090 02 41 VHF Channel Frequencies Marine and Inland waterways 42 VHF Weather Channel Frequencies 46 PRIVATE CHANNELS U K MARINERS 47 PRIVATE CHANNELS NORDIC 47 PRIVATE CHANNELS NETHERLANDS INLAND 47 General Notes on Operating Marine VHF 48 Rules and Manners 48 Comm...

Страница 10: ... REMOTE 1 ANT SPKR NAV device REMOTE HANDSET B REMOTE HANDSET A OPTION OPTION OPTION OPTION OPTION SPEAKER GGA RMC GLL ZDA HS 2721 RB 2721A HS 2721 RB 2721B IEC61162 1 5m MAX 50m GROUND 12V DC VHF CH70 RX ANT CH70 RX ANT 5D 2V 5D 2V 150M W2VN 150M W2VN SEM 21Q TRANSCEIVER UNIT FM 2721 ...

Страница 11: ...dard Supply Name Type Code No Qty Remarks Handset HS 2721 1 Transceiver Unit FM 2721 1 Bracket RB 2721A 1 For handset Installation Materials CP05 08000 000 057 744 1 set Spare Parts SP05 01600 004 542 060 1 set 10A Fuse 2 pcs ...

Страница 12: ...057 739 1 set 396 1 Loudspeaker SEM 21Q 000 144 917 1 Twisted 10 pair Cable 05S0308 5 M 05S0308 10 M 05S0308 20 M 05S0308 30 M 05S0308 40 M 05S0308 50 M 000 107 578 000 106 038 000 106 039 000 106 040 000 106 041 000 106 042 1 5 m 10 m 20 m 30 m 40 m 50 m Connector 17JE 23250 02 D8C 000 120 946 1 For 05S0308 REMOTE2 Connector 17JE 23090 02 D8C 000 132 624 1 For IEC61162 1 NMEA DC DC Converter PC 2...

Страница 13: ...uality and reliability throughout the world This dedication is furthered by our extensive global network of agents and dealers Your equipment is designed and constructed to provide commercial grade performance and reliability yet is affordable for pleasure craft owners Please carefully read this manual and follow the recommended procedure for installation operation and maintenance With proper care...

Страница 14: ...lass D DSC European Standard EN 300 698 VHF used on inland waterways ITU Radio Regulations Appendix 18 Table of transmitting frequencies 156 174 MHz for stations in the mobile service ITU T Recommendation E 161 Arrangements of digits letters and symbols on telephones and other devices that can be used for gaining access to a telephone network IEC61162 1 Maritime navigation and radiocommunication e...

Страница 15: ...igation receivers and other onboard electronics Compass safe distances Standard compass Steering compass are Standard Steering Transceiver unit 0 95 m 0 65 m Handset and Bracket 2 05 m 1 40 m Loudspeaker option 2 20 m 1 50 m The cabinet of the equipment especially the rear panel gets warm after a long transmission Therefore provide some space around the unit to allow for circulation of cooling air...

Страница 16: ... tapping screws supplied and washers so there is 5 mm clearance between bottom of screw head and bulkhead and screw slots of the unit Then fasten upper screws and washers 240 74 4 5 Fixing Hole 140 14 200 Transceiver unit top and side view ...

Страница 17: ...r within 5 m of the transceiver unit 65 208 77 57 12 Cable entrance hole 145 0 5 22 42 2 4 5 Fixing hole Remove six screws to remove the hanger cover and fasten the hanger with two tapping screws supplied on the desktop or bulkhead Note The magnet inside the hanger may pull the screwdriver when mounting the hanger ...

Страница 18: ...e consult with your dealer Frequency range 155 MHz to 164 MHz Impedance 50 ohms Polarization Vertical Input power 25 W Quality Able to withstand marine environment Any 50 ohm coaxial cable heavier than 5D 2V or RG58C U may be used for the connection between the antenna and the transceiver unit Make sure to leave some slack in the cable loop behind the transceiver for service and maintenance ease L...

Страница 19: ...EA RX ANT ANT SPKR REMOTE 1 Remote 1 Connect the handset bracket 12VDC Connect the power cable 05S0388 option Remote 2 Connect the optional handset bracket CH70 RX ANT Connect the optional CH70 RX antenna IEC61162 1 NMEA Connect the navigator SPKR Connect the optional loudspeaker ANT Connect the optional antenna Ground ...

Страница 20: ... as possible to prevent power loss Remote1 2 Connect the 10P cable supplied here Ground While special grounding is not generally required for VHF radiotelephones it is a good practice to properly ground all electronic equipment to the ship s ground system The FM 2721 can be connected to ground by attaching a wire to the ground screw on the transceiver unit s rear panel and then to the nearest ship...

Страница 21: ...ing onto cable 4 Screw the plug assembly on the cable 5 Solder plug assembly to braided shield through solder holes Solder contact sleeve to conductor 6 Screw coupling ring into plug assembly 7 Screw the plug into the ANT connector at the rear of the main unit Sheath 30 mm 5 mm 2 mm Conductor Insulator Braided shield Plug assembly Contact sleeve Cut conductor here Solder both sides of hole Couplin...

Страница 22: ...ut the following sentences in NMEA IEC61162 1 format Use the 17JE 23090 connector option and interconnection cable type EV SA7 0 16TAx2P local supply Input GLL Latitude and longitude RMC Generic navigation information GGA GPA position UTC ZDA UTC day month and year Output TLL Target data Outputs the position data of the ship in distress to the navigation device for example plotter connected ...

Страница 23: ...tch down to insert pull out the cable Drain wire should be covered by vinyl sheath or soldered to the shield in the cable to be grounded Not used cables Cutt off Terminal Block Arrangement Anticorrosive Sheath Drain wire 80 6 Connect to the appropriate terminal block in the hanger Connect to the terminal block 16 in the hanger Cable Fablication Pass the above cable through the entrance hole at the...

Страница 24: ...10 2 Controls 2 1 Controls Indications LEDs Alarm LCD Alarm LED Earpiece Keys PTT Switch Monitor Loundspeaker Microphone HANDSET HANGER DISTRESS button POWER switch PTT ...

Страница 25: ...rt press shifts cursor right word on alphanumeric selection screen key Long press Turns the loudspeaker on off Scan key Starts stops scanning Press this key over one second H L key Alternately selects transmitter output power of 1 W or 25 W Press this key over one second key Adjusts LCD contrast and panel backlighting Press this key over one second Lock key Locks unlocks keyboard Press this key ov...

Страница 26: ...or PRIV Channel Display Simplex or Duplex Transmitter Power 1W or 25W CH no Squelch Setting 00 10 or At auto DSC Display Loudspeaker volume setting MUTE appears when loudspeaker is off Scan scanning or DW Dual Watch Disappeared normally Tx Transmit or Rx Receive Only when ATIS ID is entered at the initial setting ...

Страница 27: ...USA WX ATIS or PRIV Channel Display SIMP or DUP Transmitter Power 1W or 25W Squelch Setting 00 10 or At auto DSC Display Loudspeaker volume setting MUTE appears when loudspeaker is off Lat lon and UTC only when GPS is connected If not hyphen appeares Rx receive and CH no Only when ATIS ID is entered at the initial setting ...

Страница 28: ...oudspeaker Volume 3 Manually Set the squelch level with the SQ key SQ XX on the LCD is displayed in reverse video and then press or key Adjust the squelch so that noise is just silenced Automatically Press the SQ auto key over one second At appears next to SQ 3 3 Adjusting the Dimmer Contrast 1 Press the key over one second to show the display for adjustment of dimmer Rx SCAN Dimmer 03 INTL SIMP 2...

Страница 29: ... CH L or CH P Using CH keys 2 Press the CH INT USA key 3 Operate or until desired channel appears or enter channel number with numeric keys Private channels must be selected beforehand Please ask your dealer Direct input 2 Press the numeric key to enter the channel Setting channel 16 2 Press the CH16 key 3 6 Adjusting Squelch The squelch can be adjusted automatically or manually Automatic squelch ...

Страница 30: ...3 9 Setting Transmitter Power 1 You can control the transmitter power level at the handset which can be set to either 1 W or 25 W Low and high power are shown on the display as 1W and 25W Note that some channels are programmed to operate at 1W only See the list at the back of this manual 2 To change the transmitter power press the H L key over one second to show 1W or 25W on the display 3 10 Recei...

Страница 31: ...nnot communicate by pressing the PTT switch Communicate after Rx appears on the display 3 12 Dual Watch except ATIS mode The dual watch mode allows you to monitor CH16 and another channel To activate the Dual Watch set the squelch and then do the following 1 Select a channel 2 Press the DW key over one second DW 16 and the working channel selected appear on the display and scanning begins If a sig...

Страница 32: ...off the handset if it is not already off and talk into the microphone to call other handset 3 To turn off the intercom hook on the handset If no one answers press the Cancel key to quite the intercom function Note Intercom cannot be used at Remote 2 when Remote 1 is off hook however the reverse condition is possible Remote 2 becomes available when Remote 1 is on hooked 3 15 Keyboard Lock Some keys...

Страница 33: ...r 25 W is selected Continue pressing the button until the display looks something like the sequence in right column D i s t r e s s b u t t o n p r e s s e d N a t u r e U N D E S I G N A T E D K E E P P R E S S E D F O R 3 S E C D i s t r e s s c a l l i n p r o g r e s s N a t u r e U N D E S I G N A T E D P o s i t i o n 1 2 3 4 1 2 3 4 E 1 2 3 4 5 N A f t e r 3 s e c o n d s Example of transmi...

Страница 34: ...ded o Number of crew p Other info such as description of your vessel q Over 4 2 Distress Call by Call Key This method of sending the distress call allows you to specify nature of distress 1 Press the Call key to show the Call type menu C a l l t y p e C O A S T C A L L S H I P C A L L P S T N C A L L G R O U P C A L L A L L S H I P S C A L L D I S T R E S S C A L L 2 Press to select DISTRESS CALL ...

Страница 35: ...I S T R E S S C A L L 2 Use or to choose SHIP CALL and press the Enter key to open the Send message menu 3 Enter the Ship ID and press the Enter key Ship ID 9 digits may be entered manually with the numeric keys or automatically through the Addr Sel file Registration of ID required for automatic input See 4 10 Storing IDs on page 29 Manual input Key in Ship ID with the numeric keys and press the E...

Страница 36: ...able ack You can communicate Rcvd message unable ack Receiving station cannot communicate now Other suggestion may be sent No response Your call is deleted 4 4 Sending DSC Call to a Coast Station To send a DSC call to a coast station do the following 1 Press the Call key to open the Call type menu C a l l t y p e C O A S T C A L L S H I P C A L L P S T N C A L L G R O U P C A L L A L L S H I P S C...

Страница 37: ...hore Station To connect to a office or home via a PSTN Public Switched Telephone Network do the following 1 Press the Call key to open the Call type menu C a l l t y p e C O A S T C A L L S H I P C A L L P S T N C A L L G R O U P C A L L A L L S H I P S C A L L D I S T R E S S C A L L 2 Scroll the display with to choose PSTN CALL and press the Enter key to open the Send message menu 3 Enter the Co...

Страница 38: ...e Registration of telephone number required for automatic input See 4 11 Storing Telephone Numbers C a l l t y p e P S T N C A L L C o a s t I D 0 0 T e l N o S e n d m e s s a g e T e l N o s e l Manual entry Automatic entry through Tel No sel file 0 1 F U R U N O O F F I C E 0 2 H O M E 0 3 D e a l e r Manual input Key in telephone number with the numeric keys and press the Enter key Automatic i...

Страница 39: ...board or automatically by using the Addr Sel file Registration of ID required for automatic input See 4 10 Storing IDs C a l l t y p e G R O U P C A L L G r o u p e I D 0 C o m c h a n n e l 0 6 S e n d m e s s a g e A d d r s e l Manual entry Automatic entry through Addr sel file 0 0 1 G R O U P 1 0 2 G R O U P 2 0 3 G R O U P 3 Manual input Key in Group ID with the numeric keys and press the Ent...

Страница 40: ...ith designated channel You can communicate with your group ships INTL SIMP 25W Rx VOL 03 SQ At 06 4 7 Sending an All Ships Call When an urgent but not life threatening situation arises on your ship for example engine trouble send an all ships call to request assistance 1 Press the Call key to open the Call type menu C a l l t y p e C O A S T C A L L S H I P C A L L P S T N C A L L G R O U P C A L ...

Страница 41: ... Confirm the message on the screen The stand by display is restored if the handset is not picked within two minutes of receiving a DSC call 2 Press the Cancel key to silence the beep A N S W E R D E L R C V D M E S S A G E S H I P R O U T I N E N M S I 1 2 3 4 5 6 7 8 9 S I M P L E X T P 1 2 E r r c h e c k O K Sending station ID Designated channel 3 Select ANSWER and press the Enter key If you do...

Страница 42: ...ess the Enter key to display as follows A U T O M A N U A L P o s i n p u t 4 Press the key to select MANUAL and Enter key 5 Press the key to clear digits Each pressing crears a digit from the right I n p u t M A N U A L L a t L o n 1 2 3 4 5 E T i m e 1 2 3 4 U T C U n a b l e r c v n e w d a t a P o s i t i o n 6 Key in latitude with the numeric keys Use to switch from North latitude to South la...

Страница 43: ...r to select empty number and press the Enter key For example select 03 The display then looks something like the one below 0 3 S t a t i o n t y p e S H I P A d d r e s s 0 3 A d d r e n t r y 4 Enter file name max 20 characters with the alphanumeric keys and press the Enter key For entry of alphabet or symbol Every pressing of 1 key changes the symbol mark The symbol mark sequence is as shown bel...

Страница 44: ...DSC call Max storage 25 numbers 1 Press the Setup key to display the Setup menu M e s s a g e e n t r y A d d r e n t r y T e l N O e n t r y P o s i t i o n T e s t S y s t e m S e t u p m e n u 2 Press to select Tel NO entry and press the Enter key T E l N o E n t r y 0 1 F U R U N O O F F I C E 0 2 H O M E 0 3 3 Press the or to select vacant number and press the Enter key 0 3 T e l N o T e l N ...

Страница 45: ...or to select vacant number and press the Enter key For example select 12 1 2 M e s s e n t r y C a l l t y p e S H I P C A L L S h i p I D 4 Enter the message name with alphanumeric keys keys for cursor movement and press the Enter key For example enter ABC 5 Confirm that call type is selected and press the Enter key to open the call type menu C a l l t y p e C O A S T C A L L S H I P C A L L P S ...

Страница 46: ...with or to select the message name desired and press the Enter key 8 Confirm that Com channel is selected and then press the Enter key 0 6 7 3 N o I N F O 0 8 6 9 1 0 6 7 M A N U A L 1 3 7 7 0 9 1 5 C H B u s y 7 2 1 7 C o m c h a n n e l N O I N F O N o i n f o r m a t i o n M A N U A L E n t e r c h a n n e l w i t h n u m e r i c k e y C H B U S Y m e a n s t h e s e l e c t e d c h a n n e l i...

Страница 47: ...age of Not read log has unread or unacknowledged Rx messages unacknowledged Tx messages and unread distress messages The messages are saved to correspond logs as follows RCVD Received ORDINARY All ships Urgency Safety Individual Urgency Safety Routine Group Routine RCVD Received DISTRESS Distress Distress Ack Distress Relay TRANSMITTED All above messages transmitted To view the message log do the ...

Страница 48: ...ges are marked with 4 Press the Enter key to display the message The example below shows a received ordinary message R C V D M E S S A G E S H I P C A L L R O U T I N E M M S I 1 2 3 4 5 6 7 8 9 S I M P L E X T P 1 6 E r r c h e c k O K R E S E N D D E L 5 To delete the message press the to select DEL and then press the Enter key 6 To resend or answer the message confirm that the cursor is selecti...

Страница 49: ...lated on them should be wiped off with a soft dry cloth Never use plastic solvents such as thinner or acetone for cleaning they may dissolve paint and markings Check all connectors for corrosion If corroded clean the contact and re tighten securely 5 3 Fuse Replacement A 10A fuse in the snap in fuse holder on the power cable protects the equipment from reverse polarity and equipment fault If the f...

Страница 50: ...ENT CARELESS HANDLING MAY CAUSE PERMANENT DAMAGE TO THE TRANSCEIVER Symptom Possible Cause Remedy Power is off at the mains switchboard Turns mains switch on Power lead on battery is loose or disconnected Secure connector firmly and check connections to battery Battery is flat Check battery electrolyte charging system etc POWER switch pressed but power does not come on Fuse has blown Check mains v...

Страница 51: ...hm coaxial cable Radio barrier large vessel crane etc in the signal path Noise but no or poor signal reception Transmitter is too far away or transmitting in low power Line of sight is a rule of VHF communications Wait until barrier no longer exists or you are within transmitting range of transmitter See items of Noise but no or poor signal reception TX symbol appears but no or low output power Po...

Страница 52: ...e s s a g e e n t r y A d d r e n t r y T e l N O e n t r y P o s i t i o n T e s t S y s t e m S e t u p m e n u 2 Select Test and press the Enter key twice The test results appear as below F S K L o o p C h e c k O K D a i l y t e s t Results displayed as OK or NG No Good 3 To quit the diagnostic test press the Cancel key several times ...

Страница 53: ...k Rx SCAN VOL 08 SQ 03 16 PLL unlock INTL SIMP 25W Not read log Rx SCAN VOL 08 SQ 03 16 Massage not yet read INTL SIMP 25W EPFS Error Rx SCAN VOL 08 SQ 03 16 Position Error INTL SIMP 25W Remote Rx SCAN VOL 08 SQ 03 16 Remote Error Handset Priority Press the Cancel key and Update pos replaces EPFS Error Then enter position manually ...

Страница 54: ...40 6 4 Menu Tree Setup key Message entry Addr entry Tel No entry Position Test System MMSI Key click Auto revert ON OFF Program ver FM 2721 05502031XX HS 2721 05502041XX ...

Страница 55: ...inyl sheath Twist and trim the drain Aluminum tape Remove the vinyl sheath by 45 mm Remove the aluminum tape by 10 mm and the sheath of the cores by 3 mm Fabrication of 05S0308 for REMOTE2 10 3 Wrap copper tape around sheath once 4 Fold back aluminum tape onto copper tape 5 Continue wrapping copper tape around cable 6 Remove insulator of all cores for about 4 mm and presolder the tip of each wire ...

Страница 56: ... 500 Inland waterways 1 W only 11 156 550 156 550 Inland waterways 1 W only 12 156 600 156 600 Inland waterways 1 W only 13 156 650 156 650 Inland waterways 1 W only 14 156 700 156 700 Inland waterways 1 W only CH Ship Tx Ship Rx Remarks 15 156 750 156 750 1 W only 16 156 800 156 800 17 156 850 156 850 1 W only 18 156 900 161 500 19 156 950 161 550 20 157 000 161 600 21 157 050 161 650 22 157 100 ...

Страница 57: ...156 475 156 475 71 156 575 156 575 Inland waterways 1 W only 72 156 625 156 625 Inland waterways 1 W only 73 156 675 156 675 CH Ship Tx Ship Rx Remarks 74 156 725 156 725 Inland waterways 1 W only 77 156 875 156 875 Inland waterways 1 W only 78 156 925 161 525 79 156 975 161 575 80 157 025 161 625 81 157 075 161 675 82 157 125 161 725 83 157 175 161 775 84 157 225 161 825 85 157 275 161 875 86 157...

Страница 58: ...om l 20 157 000 161 600 Port Operations 21 157 050 157 050 22 157 100 157 100 Coast Guard 23 157 150 157 150 CH Ship Tx Ship Rx Type of Operation 24 157 200 161 800 Public Corresp 25 157 250 161 850 Public Corresp 26 157 300 161 900 Public Corresp 27 157 350 161 950 Public Corresp 28 157 400 162 000 Public Corresp 61 156 075 156 075 63 156 175 156 175 Com l 64 156 225 156 225 65 156 275 156 275 Po...

Страница 59: ... 157 375 161 975 Public Corresp 88 157 425 157 425 Com l Transmitting is disabled 1 W only 1 watt initially Can be switched to high power 25 W while H L key is pressed These channels are not for use by the general public in US waters Note CH16 is used in all USA coastal areas to call the Coast Guard and for general vessel calling In certain high traffic areas CH09 is also used as the Hailing Frequ...

Страница 60: ...0 NOAA Weather WX6 162 500 NOAA Weather WX7 162 525 NOAA Weather WX8 161 650 Canadian Weather WX9 161 775 Canadian Weather Transmitting is disabled when WX0 WX9 is displayed CAUTION Operation on channels not designated for use by your classification of craft or on International Channels within US territorial waters is a violation of FCC Rules and Regulations and may result in severe penalties ...

Страница 61: ...PRIVATE CHANNELS NORDIC FISHING BOATS CH Ship Transmit Ship Receive Application F1 155 625 155 625 Fishing boat F1 F2 155 775 155 775 Fishing boat F2 F3 155 825 155 825 Fishing boat F3 L1 155 500 155 500 Pleasure craft L1 L2 155 525 155 525 Pleasure craft L2 L3 155 650 155 650 Pleasure craft L3 PRIVATE CHANNELS NETHERLANDS INLAND Ship Transmit Ship Receive Application 157 550 162 150 Yacht harbor ...

Страница 62: ...ls Listen before transmitting to avoid interfering with other communications The ship Radiotelephone Station Licensee is responsible for recording in a communication log all contacts made over the telephone and watch period on CH16 All distress emergency and safety messages must be recorded in detail Entries must show boat s name call sign watch start stop times and operator s signature Use 24 hou...

Страница 63: ...ight Even if a clear line of sight condition exists the radio wave is attenuated along the signal path The communication distance is limited also by transmitter power antenna efficiency and receiver sensitivity The average communication range using 25 W marine VHF is 10 to 15 nm for ship to ship and 20 to 30 nm for ship to shore Note that an obstruction in the signal path such as a large ship cran...

Страница 64: ...o 150 ohms 4 DSC SECTION Protocol Complies with ITU R Rec 493 9 5 541 8 Class D and 689 2 Modulation Rate 600 Hz 30 p p m max 1200 baud equivalent Modulation AFSK Modulation Frequency Mark 1300Hz 10Hz max Space 2100Hz 10Hz max Modulation Index 2 0 10 Dynamic Range SER 10 2 or less Navigation Data IEC61162 1 NMEA 5 ATIS SECTION Modulation Rate 600 Hz 30 p p m max 1200 baud equivalent Modulation AFS...

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