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VHF MARINE RADIO

MR F55

Owner’s Manual

Nothing comes close to a Cobra

®

English

Pr

inted in China P

ar

t No

.

480-085-P

Re

vised 11-20-03

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Summary of Contents for MRF55

Page 1: ...VHF MARINE RADIO MR F55 Owner s Manual Nothing comes close to a Cobra English Printed in China Part No 480 085 P Revised 11 20 03 ...

Page 2: ...lert you to weather emergencies with a tone on a weather channel you can select for your area Customer Assistance Should you encounter any problems with this product or not understand its many features please refer to this owner s manual If you require further assistance after reading this manual Cobra Electronics offers the following customer assistance services For Assistance In The U S A Automa...

Page 3: ...een Down Button Squelch Knob Radio Status and Data Display Instant Channel 16 9 Button Active Channel Number Microphone Cord Connection Socket Position Coordinates Latitude and Longitude Weather UIC Button Dual Watch Button High Low Power Button Scan Button Speaker DSC Distress Button Behind Red Spring Loaded Cover Up Button Microphone Down Button Talk Button Instant Channel 16 9 Button Up Down Bu...

Page 4: ...exposure limits or create other dangerous conditions 2 English Important Safety Information Introduction Important Safety Information Before installing and using your CobraMarine VHF radio please read these general precautions and warnings Warning And Caution Statements To make the most of this radio it must be installed and used properly Please read the installation and operating instructions car...

Page 5: ... contact the nearest field office or write Industry of Canada Radio Regulatory Branch Attn DOSP 300 Slater Street Ottawa Ontario Canada K1A 0C8 VHF Marine Radio Protocols 4 English Recommendations For Marine Communication CAUTIONS AVOID using or storing the radio at temperatures below 4 F 20 C or above 140 F 60 C NEVER connect the transceiver to DC power greater than 16 volts or to any DC source w...

Page 6: ...el you must switch to a proper working channel See the channel listing on page 14 through 15 VHF Marine Radio Protocols 6 English VHF Marine Radio Procedures User Responsibility And Operating Locations All users are responsible for observing domestic and foreign government regulations and are subject to severe penalties for violations The VHF frequencies on your radio are reserved for marine use a...

Page 7: ...l may vary but under normal conditions should be approximately 20 nautical miles 8 English Digital Selective Calling DSC The vessel Corsair calling the vessel Vagabond Corsair Vagabond this is Corsair Vagabond Corsair this is Vagabond Reply 72 or any proper working channel Corsair 72 or Roger After communications are completed each vessel must sign off with its call sign or vessel name and switch ...

Page 8: ... made for a fee between your radio and telephones on land sea and in the air See pages 14 through 23 for the public correspondence marine operator channels If you plan to use these services consider registering with the operator of the public coast station that you plan to work through Those services can provide you with detailed information and procedures to follow CAUTION You may disclose privil...

Page 9: ...our MMSI simply lifting the red spring loaded door and pressing the button will automatically send a complete distress call on Channel 70 See the DSC operation section on pages 54 through 65 for further information and page 55 instruction on sending a manual DSC distress call VHF Marine Radio Protocols 12 English Emergency Messages And Distress Procedure Marine Distress Procedure Speak slowly clea...

Page 10: ...in types of users only Consult FCC rules or a knowledgeable radio operator before using them VHF Marine Radio Protocols 14 English VHF Marine Channel Assignments VHF Marine Channel Assignments Three 3 sets of VHF channels have been established for marine use in the U S A Canada and the rest of the world International Most of the channels are the same for all three 3 maps but there are definite dif...

Page 11: ...n selected areas 13 Intership Navigation Safety Bridge to Bridge In U S waters large vessels maintain a listening watch on this channel 14 Port Operations VTS in selected areas 15 Environmental Receive Only Used by class C EPIRB s 15 Canada EPIRB Buoys Only International On Board Communication 16 International Distress Safety and Calling 17 State Controlled U S A Only 16 English VHF Marine Channel...

Page 12: ... Public Correspondence Marine Operator 61 Public Correspondence Marine Operator Port Operation Ship Movement 61A U S Government Only Canada Coast Guard Only West Coast Coast Guard Only East Coast Commercial Fishing 62 Public Correspondence Marine Operator Port Operations Ship Movement 62A West Coast Coast Guard Only East Coast Commercial Fishing VHF Marine Radio Protocols 18 English VHF Marine Cha...

Page 13: ...Voice communications not allowed 71 U S and Canada Non Commercial Recreational International Port Operations Ship Movement 72 Non Commercial Intership Only 73 U S Port Operations Canada Commercial Fishing Only International Intership Port Operations Ship Movement 74 U S Port Operations Canada Commercial Fishing Only International Intership Port Operations Ship Movement 77 Port Operations Intership...

Page 14: ...e pre programmed at the factory according to international regulations and those of the FCC U S A and Industry Canada Canada They cannot be altered by the user nor can modes of operation be changed between simplex and duplex VHF Marine Radio Protocols Channel Channel Map Frequency Power Number USA Int l Canada Transmit Receive Limits 78 156 925 161 525 78A 156 925 156 925 79 156 975 161 575 79A 15...

Page 15: ...to Weather Radio mode Test To test this system NOAA broadcasts the 1050 Hz signal every Wednesday sometime between 11 a m and 1 p m in each local time zone Any receiver that can detect the weather alert tone may use this feature to verify that this feature is functioning properly Weather Frequency Channel RX Frequency MHz 1 162 550 2 162 400 3 162 475 4 162 425 5 162 450 6 162 500 7 162 525 8 161 ...

Page 16: ... installation on almost any flat surface To Mount The Transceiver On Almost Any Flat Surface 1 Use the mounting bracket as a template to drill holes for the mounting screws 2 Attach the mounting bracket to the chosen surface 3 Attach the transceiver to the mounting bracket with the locking knobs 4 Tilt the transceiver to a convenient angle and tighten the locking knobs Surface Mounting Kit Tilt Lo...

Page 17: ...icrophone Bracket 1 Install the microphone bracket on a vertical surface near the transceiver using the supplied stainless steel screws Flush Mount A Flush Mounting kit is included with your CobraMarine VHF radio to allow its installation in almost any flat surface To Mount The Transceiver Flush In Almost Any Flat Surface 1 Use the supplied template to mark and cut an opening in the flat surface S...

Page 18: ...o use Since it represents the link between your radio and the outside world Cobra suggests you purchase the best quality antenna coaxial cable and connectors you can This is best accomplished with the advice and guidance of a knowledgeable dealer who can assess the variables involved with your particular boat and preferences WARNING Compliance with FCC requirements for Radio Frequency Exposure is ...

Page 19: ... on the GPS device GPS Connection Installation And Start Up 32 English External Devices And Connections External Devices And Connections Your CobraMarine VHF radio is set up to connect auxiliary devices for navigation convenience and added versatility As is the case with the antenna choosing these devices is best done with the advice and guidance of a knowledgeable dealer Standard connectors are p...

Page 20: ...ponding information and all controls will be operative The radio will then be in Standby mode Operating Your Radio On Off Power Volume Knob 34 English Getting Started Getting Started Refer to the foldout on the front cover of this manual to identify the various controls and indicators on your radio Throughout this manual you will be instructed to press or to press and hold buttons on the transceiv...

Page 21: ...tons Channel 16 9 Button Operating Your Radio 36 English Getting Started Volume The On Off Power Volume knob on the transceiver controls the speaker volume The volume adjustment applies only to what you hear from the speaker and does not affect the volume of your outgoing messages That is controlled by the circuitry of your radio To Increase The Volume 1 Turn the On Off Power Volume knob clockwise...

Page 22: ...t button to select a contrast level 5 Use the Up Down buttons to scroll to EXIT 6 Press the Call Set button to return to the Settings menu Operating Your Radio Lamp Adjustment High Medium Low Off Contrast Contrast Setting 38 English Set Up Routines Set Up Routines Settings Menu The Settings menu in the CobraMarine VHF radio allows you to turn On and Off many of its features to adjust other feature...

Page 23: ...r Off 1 Enter the Settings menu and scroll to KEY TONE with the Up Down buttons 2 Press the Call Set button and observe the current confirmation tone setting ON or OFF 3 Use the Up Down buttons to switch to the setting you want 4 Press the Call Set button to select the setting 5 Use the Up Down buttons to scroll to EXIT 6 Press the Call Set button to return to the Settings menu Time Offset All VHF...

Page 24: ...sed NOTE If the Talk button is held down for five 5 minutes the radio will automatically cease transmitting to prevent unwanted signal generation As soon as the Talk button is released it can be pressed again to resume transmission High Low Power Button Low Power Setting Two 2 Inches Five 5 cm From Mouth Talk Button Transmit Icon High Low Power 42 English Voice Transmission Voice Transmission Tran...

Page 25: ...sequence will start over at step 1 Operating Your Radio Channel 16 9 Buttons Channel 16 9 Toggle 44 English Weather Radio And Alert NOAA All Hazards Weather Radio And Alert NOAA broadcasts Weather information as described in the NOAA weather channels section on page 25 of this manual You can listen to one 1 or two 2 of these ten 10 receive only channels at any time NOTE Usually only one 1 or two 2...

Page 26: ... Dual Watch Dual Watch gives you one 1 button access to scan the two 2 locations of most importance to you Channel 16 will always be included as a scanned location The remaining location will be the VHF channel in effect when you enter Dual Watch mode NOTE The radio must be squelched for dual watch to function See page 36 for squelch procedure To Enter Dual Watch Mode 1 In Standby mode use the Up ...

Page 27: ... capable radios to prevent constant changes and the potential introduction of errors in the process If for any reason it is necessary to change the MMSI number in the radio more than once you can return it to Cobra Electronics for reset Operating Your Radio User MMSI ID Entry Error Message Call Set Button User MMSI 48 English DSC Set Up DSC Set Up Digital selective calling DSC employs digital RF s...

Page 28: ...r MMSI number 366123456 becomes group MMSI number 036612345 Group MMSIs can be entered and changed any number of times without encountering the need to have your radio reset Group MMSI ID Entry Operating Your Radio Group MMSI 50 English DSC Set Up IfYouTransferYour Radio To A Different Vessel Contact the MMSI issuing agency from which you obtained your number and change the information associated ...

Page 29: ...y Enter MMSI Operating Your Radio New Individual Next Exit Position Request Reply Type The ability to send your position to another station is an added feature of DSC radios that have GPS attached It is handy for rendezvous and rescue situations Your CobraMarine VHF radio allows you to choose whether to have the radio automatically respond to all Position Requests it receives or to alert you to a ...

Page 30: ...nding DSC calls is done from menus similar to the Settings menu Whereas entering the Settings menu required a press and hold of the Call Set button the sending menus appear with a press of the Distress button All received DSC calls will sound one 1 or another of the alarms to alert you to them See pages 34 through 35 for descriptions of the different alarms Pressing any button will turn Off the al...

Page 31: ...the channel you selected in step 1 and wait for you to press the Talk button to send the routine message by voice DSC equipped radios that receive your message will be automatically switched to Channel 16 or the channel you selected to hear your voice message To return to Standby mode without sending a message use the Up Down buttons to scroll to EXIT and press the Call Set button All Ships Standb...

Page 32: ... Your Radio Individual Waiting 58 English DSC Operation Receiving An All Ships Call All Ships calls sent by stations within range of your radio will sound the distress alarm on your radio and switch your radio to Channel 16 When An All Ships Call Is Heard 1 Press any button to turn Off the alarm and return to Standby mode 2 Read and write down the MMSI of the vessel sending the call as well as the...

Page 33: ...o Individual Directory Position Request 60 English DSC Operation Receiving An Individual Call When another station makes an Individual call to your radio the individual alarm will sound the caller will be identified on the LCD and your radio will be switched to the channel selected by the caller Press any button to turn Off the alarm To Receive An Individual Call 1 Press the Talk button and greet ...

Page 34: ...ill be one 1 of three 3 possible responses You will receive the position You will receive a no position data response meaning the station you queried is not connected to a GPS device and cannot send its position You will receive a no reply response meaning the operator of that station has chosen not to reply to your request Choose one 1 of the following a If You Receive A Position The requested po...

Page 35: ...ff the alarm and return to Standby mode Operating Your Radio Transmit Position Send Exit Position Send Standby Mode Individual Directory Position Send 64 English DSC Operation Receiving A Position Request When you went through the DSC set up process you set a position request reply type See page 52 to change your setting Depending on the setting you chose when a Position Request message is receive...

Page 36: ...when radio is turned On Improper power connection Insure power connections are proper and secure Will transmit at one 1 watt but not at 25 watts Selected channel is limited to one 1 watt Switch to another channel Will not transmit Selected channel is limited to receive only Switch to another channel No sound from speaker Volume level is too low or squelch level is too deep Readjust volume and sque...

Page 37: ...Warranty Limited 3 Year Warranty For Products Purchased In The U S A Cobra Electronics Corporation warrants that its CobraMarine VHF radio and the component parts thereof will be free of defects in workmanship and materials for a period of three 3 years from the date of first consumer purchase This warranty may be enforced by the first consumer purchaser provided that the product is utilized withi...

Page 38: ...he main menu 8 00 a m to 6 00 p m CT Monday through Friday Make check or money order payable to Cobra Electronics Attn Accessories Dept 6500 West Cortland Street Chicago IL 60707 USA To order online please visit our website www cobra com The Cobra line of quality products includes CB Radios microTALK Radios Radar Laser Detectors Safety Alert Traffic Warning Systems Accessories GPS Global Positioni...

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