Furuno FM-2710 Operator'S Manual Download Page 41

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CH Ship Tx

Ship Rx

Type of Operation

64A*** 56.225 156.225



65A 156.275 156.275

Port Operations

66A 156.325 156.325

Port Operations

67** 156.375 156.375

Com'l-Intership only

156.425 156.425

Non Com'l

156.475 156.475

Non Com'l

156.575 156.575

Non Com'l

156.625 156.625

Non Com'l

156.675 156.675

Port Operations

156.725 156.725

Port Operations

77* 156.875 156.875

Port Operations-

Intership only

Transmitting is disabled.

1W only

Bridge to bridge 1 watt initially. Can be switched to high power (25W) while [1/25/DIM] key is being
pressed.

*** T h e s e c h a n n e l s a r e n o t f o r u s e b y t h e g e n e r a l p u b l i c i n U . S . w a t e r s .
A Simplex operation on a channel designated internationally as a duplex channel.

78A 156.925 156.925

Non Com'l

79A 156.975 156.975

Com'l

80A 157.025 157.025

Com'l

81A***157.075 157.075



82A***157.125 157.125



83A***157.175 157.175



157.225 161.825

Public Corresp.

157.275 161.875

Public Corresp.

157.325 161.925

Public Corresp.

157.375 161.975

Public Corresp.

88A 157.425 157.425

Comm’l-Intership only

CH Ship Tx

Ship Rx

Type of Operation

Summary of Contents for FM-2710

Page 1: ......

Page 2: ...h a r a c h o N i s h i n o m i ya J a p a n Telephone 0798 65 2111 Telefax 0798 65 4200 Your Local Agent Dealer All rights reserved PUB No OME 56160 FM 2710 TATA FIRST EDITION NOV 1997 C FEB 21 2000 Printed in Japan ...

Page 3: ... if water or foreign ob ject falls into the equipment or the equip ment is emitting smoke or fire Continued use of the equipment can cause fire electrical shock or serious injury Do not place liquid filled containers on the top of the equipment Fire or electrical shock can result if a liquid spills into the equipment Do not place heater near the equipment Heat can melt the power cord which can re ...

Page 4: ...h board to ensure that the power will not be applied while the equipment is being in stalled Serious injury or death can result if the power is not turned off or is applied while the equip ment is being installed Confirm that the power supply voltage is compatible with the voltage rating of the equipment Connection to the wrong power supply can cause fire or equipment damage The voltage rating app...

Page 5: ...12 2 3 5 Antenna Connection 13 3 Operation 15 3 1 Controls and Indications 15 3 1 1 Controls 16 3 1 2 Indications 19 3 2 Operating Procedure 21 3 2 1 Receiving 21 3 2 2 Transmitting 24 4 General Notes on Operating Marine VHF 26 4 1 Rules and Manners 26 4 2 Communication Distance 28 5 Maintenance 29 5 1 Cleaning of Transceiver 29 5 2 Antenna System Check 30 5 3 Battery Check 30 5 4 Fuse Replacement...

Page 6: ... 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 your equipment should...

Page 7: ... Part 80 plus 10 weather channels U S A and Canada With the 9 ALL key you can program a channel most frequently used in CH09 Easy channel selection by the rotary channel knob Dual watch function between CH16 and a selected channel When a weather alert signal is received the mode changes from dual watch to weather alert Adjustable backlight for the large high contrast LCD and control keys Advanced ...

Page 8: ... plus 10 weather channels U S A and Canada 3 Supply Voltage 12 VDC nominal 10 30 10 8 15 6 VDC 4 Modulation Type Frequency modulated 16K0G3E 5 Operating Temperature 20 C to 50 C 6 Water Resistance CFR 46 parts 110 111 7 Size 161 mm W X 60 mm H X 163 mm D 8 Mass Approximately 1 1 kg 9 Antenna M type connector 10 Power Ext Spkr Power cable 2 m with Fuse 4 wire cable assembly ...

Page 9: ...3000 Hz 5 Intermodulation Better than 68 dB 6 Sensitivity 0 3µV 117 5 dBm for 12 SINAD 4 5 dBµ 20 dB SINAD 7 Squelch Sens Threshold 0 2µV 121 dBm or better 8 Tight Squelch Sensitivity 0 8µV 109 dBm 9 Adjacent Channel Selectivity Better than 70 dB 10 Spurious Reponse Better than 68 dB 11 Conducted Spurious Emission conveyed to the Antenna Less than 2 nW 57 dBm 12 Hum and Noise Less than 40 dB ...

Page 10: ...x at 25 Watts Less than 1 5 A Max at 1 Watt 5 Frequency Stability 1 5 kHz 6 Frequency Deviation 5 kHz Max 7 Modulation AF Response 6dB oct Preemphasis 1 3 dB from 300 to 3000 Hz 8 Time Out Timer 5 minutes 10 9 Hum Noise Level Less than 40 dB below audio less than 10 at 1kHz for 3 kHz 10 Spurious Harmonic Emission Attenuated at least 43 10 Log Power mean power ...

Page 11: ...recommended to keep the carton and the packing materials In an unlikely case that the unit has to be returned to the factory the original packing materials should be used 2 2 Equipment Supplied Description VHF Radiotelephone DC power cable Mounting bracket with screw knobs Truss tapping screw set Mic hanger set Operator s manual Spare fuse ...

Page 12: ...shaded place The equipment should be located as near to the power source as possible and as far apart as possible from any devices that may cause interference such as direction finders navigation receivers and other onboard electronics The cabinet of the equipment especially the rear panel gets warm after a long transmission Therefore provide some space around the transceiver to allow for circulat...

Page 13: ...d be able to support the weight of the unit If necessary reinforce the mounting location by lining block or doubling plate Fig 2 1 Mounting Methods OVERHEAD DASHBOARD TABLETOP BULKHEAD DW WX INT 25 1 16 9 ALL CH OFF VOLUME SQUELCH SCAN MEM S S TR1 DIM F U R U N O 1 25 CH DW WX INT 25 1 16 9 ALL CH OFF VOLUME SQUELCH SCAN MEM S S TR1 DIM FU R U N O 1 25 CH 1 25 CH ...

Page 14: ......

Page 15: ...11 2 3 3 Electrical Connections Fig 2 3 Electrical Connections To Antenna Fuse Holder External Speaker YEL GRN RED BLK BATTERY 12 VDC ...

Page 16: ...n line fuse 10 A and the BLACK wire of the 4P connector cable connect the FM 2710 to the ship s 12 VDC power supply Fig 2 4 Power Connection External Speaker The FM 2710 has a built in speaker However if an external loudspeaker 4 W 4 ohms is desired connect it to external speaker cable YELLOW LOUDSPEAKER GREEN LOUDSPEAKER RED DC INPUT BLACK DC INPUT 4P CONNECTOR CABLE FUSE POWER EXTERNAL LOUDSPEAK...

Page 17: ...ange 155 MHz to 164 MHz Impedance 50 ohms Polarization Vertical Input power 30 W Quality Able to withstand marine environment Any 50 ohm coaxial cable heavier than 5D 2V equivalent to RG 212 U may be used for the connection between the antenna and the transceiver To extend the antenna cable longer than 20 m use heavier coaxial cable such as 8D 2V or RG 213 U to minimize power loss and signal atten...

Page 18: ...y the antenna and then solder the M type connector onto the cable end as shown below Fig 2 5 Soldering the M type connector 30 5 2 UNIT mm Center Conductor Insulator Outer Conductor Sheath Solder Cut Solder ...

Page 19: ... 3 Operation 3 1 Controls and Indications 1 Volume control Power on off 2 Channel selector 3 Squelch control 4 16 Key 5 9 ALL Key 6 INT Key 7 1 25 DIM Key 8 WX Key 9 DW Key 10 PTT Switch Fig 3 1 Controls ...

Page 20: ... Channel Selector Selects channels 3 Squelch Control Adjusts the squelch Rotate the control counterclockwise until noise is heard then rotate it clockwise slowly until noise just fades out 4 16 Key Immediately selects CH16 Next pressing returns control to previously selected channel 16 CH OFF VOLUME SQUELCH ...

Page 21: ...7 1 25 DIM Key This key has two functions When simply pressed it alternately changes the transmitter output power from 1 watt LOW appears to 25 watts LOW disappears When pressed and held for more than 1 second the brightness of the backlight is changed to High Low or Off 8 WX Key Weather channel receiving mode Selects the Weather channel receiving mode WX appears along with the weather channel num...

Page 22: ...hannel appear The radio automatically monitors CH16 priority the selected work ing channel and the Weather channel To return to the receiving mode press any key except INT and 1 25 DIM or turn the Channel selector 10 PTT Switch Push To Talk Press to transmit release to listen TX appears DW ...

Page 23: ...selected with the INT key 2 INT Appears when International mode is selected with the INT key 3 DW Appears when Dual Watch mode is activated with the DW key 4 WX Appears when the Weather channel mode is activated with the WX key 5 6 3 9 8 1 2 4 7 10 ALT USA WX INT DW TX LOW BUSY ...

Page 24: ... channel has been selected with the Channel selector 7 ALT Weather Alert Blinks when a weather alert tone has been received 8 TX Transmit Appears when the PTT switch on the microphone is pressed and held Transmitter output power is provided to the antenna 9 BUSY Appears when a signal is being received and the squelch is open 10 16 Appears when the radio is in the DW mode indicating that CH16 is be...

Page 25: ...tness of the backlight changes from High to Low or Off with each pressing 3 Selecting USA INT USA or INT appears for channel assignment To change the mode press the INT key 4 Selecting Channel Rotate the Channel selector to choose channel number 5 Adjusting Squelch Rotate the Squelch control counterclockwise until you hear noise from the speaker Then rotate the knob slowly clockwise until the rece...

Page 26: ...on 3 One 5 sec beep Weather alert Dual Watch Mode The Dual Watch mode allows you to monitor CH16 and the selected working channel and the Weather channel Once the squelch is properly set select a working channel to show on the LCD and press the DW key DW 16 and the selected working channel appear on the LCD and scanning begins USA DW USA DW PUSH ...

Page 27: ... the case that a signal is present on the selected working channel CH16 is monitored momentarily for 150 msec once in 5 seconds After the signal has gone the receiver stays on that channel for 5 seconds and then reverts to the Dual Watch mode To quit the DW mode simply press any key except INT and 1 25 DIM or rotate the Channel selector USA DW BUSY USA DW BUSY 16 is displayed momenarilly once in 5...

Page 28: ... 25 DIM key and release within 1 second This alternately changes the transmitter output power from 1 watt LOW appears to 25 watts LOW disappears Transmit at low power for short range communications or when in harbor areas to minimize interference to others Note The following channels are automatically set to low power 1 watt USA 13 17 67 77 Channels 13 and 67 can be switched to high power 25 W if ...

Page 29: ... response If the PTT switch is held for more than 5 minutes transmit function is disabled a beep sound and to time out blinks instead of the channel display This condition continues until the PTT switch is released IMPORTANT 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 Frequency Please ch...

Page 30: ...ions have absolute priority If you hear MAYDAY talk only if you can help and be prepared to offer assistance or relay the distress message 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 safet...

Page 31: ...h communication Use appropriate channels Do not divulge contents of communications nor use them for private benefit without permission This does not apply to distress communication Be aware that many people are listening Do not use indecent or profane language ...

Page 32: ...led line of sight 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 la...

Page 33: ... 5 1 Cleaning of Transceiver Cabinet LCD Keep the unit clean and dry at all times Dust or loose dirt accumulated on the front panel and knobs should be wiped off with a soft dry cloth For stubborn dirt use mild detergent and water on a cotton tipped swab or soft cloth Never use plastic solvents such as thinner or acetone for cleaning they may dissolve paint coating marking on the front panel and c...

Page 34: ...tery voltage is out of ratings check the battery liquid and the charging system of your boat Check also rust or corrosion at the battery terminals and the ship s mains switch board for poor contact To protect the transceiver from serious dam age a 10A fuse is provided in the snap in fuse holder onthe power cable The fuse protects against over voltage reverse polar ity of the ship s mains or intern...

Page 35: ...om Possible Cause Remedy Power is off at mains switchboard Turn mains switch on Power lead is loose or disconnect Secure connector firmly and check connections to battery Mains battery is flat Check battery liquid charging system etc Volume control turned clockwise but power does not come on Fuse has blown Check mains voltage and polarity and then replace fuse 10A SQUELCH setting is too high Turne...

Page 36: ... ohm coaxial cable Radio Barrier large vessel crane mountain 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 for VHF communications Refer to items above POWER setting is LOW Set it to HI TX mark appears but no or low output power The channel is to be operated in low power LOW appears INTL and US channels ...

Page 37: ...reception USA 2 15 70 75 76 INT 70 75 76 WX0 through WX9 etc Refer to channel list Does not scan normally on DW mode locked on a channel SQUELCH setting too low causing noise Adjust SQUELCH so that noise just fades out Turned suddenly to CH16 Had momentary power failure Select desired channel and function again Check power line connections ...

Page 38: ...56 600 Port Operations 13 156 650 156 650 Nav Ship Bridge 14 156 700 156 700 Port Operations CH Ship Tx Ship Rx Type of Operation 15 156 700 156 750 Environmental 16 156 800 156 800 Emerg Calling 17 156 850 156 850 State Controlled 18 156 900 161 500 Com l 19 156 950 161 550 Com l 20 157 000 161 600 Port Operations 21 157 050 161 650 Coast Guard 22 157 100 161 700 Coast Guard 23 157 150 161 750 Co...

Page 39: ...56 575 156 575 Non Com l 72 156 625 156 625 Non Com l 73 156 675 156 675 Port Operations 74 156 725 156 725 Port Operations 77 156 875 156 875 Port Operations 78 156 925 161 525 Non Com l 79 156 975 161 575 Com l 80 157 025 161 625 Com l 81 157 075 161 675 Coast Guard 82 157 125 161 725 Coast Guard 83 157 175 161 775 Coast Guard 84 157 225 161 825 Public Corresp 85 157 275 161 875 Public Corresp 8...

Page 40: ... 13 156 650 156 650 Intership Nav Safety 14 156 700 156 700 Port Operations 15 156 750 Environmental 16 156 800 156 800 Distress Safety Calling 17 156 850 156 850 Maritme control 18A 156 900 156 900 Com l 19A 156 950 156 950 Com l 20A 157 000 157 000 Intership only 21A 157 050 157 050 22A 157 100 157 100 Coast Guard 23A 157 150 157 150 24 157 200 161 800 Public Corresp 25 157 250 161 850 Public Co...

Page 41: ...ridge to bridge 1 watt initially Can be switched to high power 25W while 1 25 DIM key is being pressed T h e s e c h a n n e l s a r e n o t fo r u s e by t h e g e n e r a l p u bl i c i n U S wa t e r s A Simplex operation on a channel designated internationally as a duplex channel 78A 156 925 156 925 Non Com l 79A 156 975 156 975 Com l 80A 157 025 157 025 Com l 81A 157 075 157 075 82A 157 125 1...

Page 42: ... Weather WX6 162 500 NOAA Weather WX7 162 525 NOAA Weather WX8 161 650 CanadianWeather WX9 161 775 CanadianWeather Transmitting is disabled when WX0 WX9 is displayed USA Version Caution Operation on channels not designated for use by your classification of craft or on Inter national Channels within US territorial waters is a violation of FCC Rules and Regula tions and may result in severe penaltie...

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