Cobra Marine MR F57B Owner'S Manual Download Page 1

A1 English

Our Thanks To You And 

Customer Assistance

Introduction

Owner’s Manual

Nothing

 Comes Close to a Cobra

® 

English

Customer Assistance

Class-D Fixed Mount VHF Radio

MR F57W

MR F57B

Thank you for purchasing a Cobra Marine

®

 VHF radio.  

Properly used, this Cobra

®

 product will give you  

many years of reliable service.
How Your Cobra Marine VHF Radio Works

This radio is a VHF transceiver for fixed mounting on your boat. It gives you 2-way 
vessel-to-vessel and vessel-to-shore station communications, primarily for safety and 
secondarily for navigation and operational purposes. With it, you can call for help, get 
information from other boaters, talk to lock or bridge tenders and make radiotelephone 
calls to anywhere in the world through a marine operator.

Besides 2-way communications, in the U.S.A., the radio can provide quick  
access to receive eight NOAA (National Oceanographic and Atmospheric 
Administration) and two Canadian weather channels for alerting 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. 

Monday-Friday 9:00 AM- 5:00 PM EST

Call: 800-543-1608 

SERVICE

Monday-Thursday 9:00AM-5:00PM EST

Call: 800-543-1608

Office:

6500 West Cortland Street,

Chicago, IL, 60707

Have questions? We can help. Contact us at 800-543-1608

M-F 9:00AM-5PM EST

For Assistance Outside the U.S.A.

Contact Your Local Dealer

©2022 Cobra Electronics Corporation

www.cobra.com

Summary of Contents for MR F57B

Page 1: ...operator Besides 2 way communications in the U S A the radio can provide quick access to receive eight NOAA National Oceanographic and Atmospheric Administration and two Canadian weather channels for...

Page 2: ...ation calls Radio utilizes two 2 built in encoders receivers Memory Scan Lets you scan through all selected memory channels to find conversations in progress Dual Watch Lets you monitor two 2 channels...

Page 3: ...arine Distress Procedure DSC 13 Installation and Start Up Included In This Package 14 Accessories Order Info 15 Mounting and Powering The Radio 16 Antenna Requirements And Attachment 20 External Devic...

Page 4: ...ompliance with recommendations for Radio Frequency Exposure is the responsibility of both the antenna installer and the radio operator Intro Operation Customer Assistance Warranty Notice Secondary Ico...

Page 5: ...nally cellular telephones may have limited coverage over water and can be hard to locate If you don t know where you are the Coast Guard will have difficulty finding you if you re using a cellular tel...

Page 6: ...know the assigned channel Calling Other Vessels Call other vessels on Channel 16 or on Channel 9 Channel 9 is preferred for recreational vessel use You may also call on ship to ship channels when you...

Page 7: ...stening watch on Channel 16 The DSC system allows mariners to instantly send a distress call with GPS position coordinates requires a GPS receiver to be connected to the radio to the Coast Guard and o...

Page 8: ...gency message Drop your anchor and call a friend or marine to bring the fuel you need or to give you a tow Marine Emergency Signals The three 3 spoken international emergency signals are The distress...

Page 9: ...is 26 foot sloop with blue hull and tan deck house I will be listening on Channel 16 This is Corsair or Illinois 1234 AB Over It is a good idea to write out a script of the message form and post it w...

Page 10: ...rday delivery can be requested in certain areas of the country for an additional shipping fee by calling Sales at 800 543 1608 option 1 Certain orders may require additional days to process prior to s...

Page 11: ...er 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 Lock Knobs Microphone Bracket To Install The Micr...

Page 12: ...ttach the fused red power wire to the positive side of the power system NOTE This radio will draw up to 8 amps when transmitting at full power NOTICES A reverse polarity connection will damage the rad...

Page 13: ...dBi must be mounted at least 16 4 5 m above the highest deck where people may be during radio transmissions measured vertically from the lowest point of the antenna This provides the minimum separati...

Page 14: ...Positive connection Black wire Negative connection Black wire is common shared Negative for the External Speaker and PA output 2 Make sure to solder crimp or twist the wires together firmly and use s...

Page 15: ...ps sounds when a position request call is received Press any button to turn it Off DSC Individual Alarm High pause high pause high Long pause then repeat Press any button to turn it Off Weather Alarm...

Page 16: ...ge the weather channel d Press and release the Back softkey to return the radio to Standby Mode HI LO Transmit Setting Transmit Power Output Your radio can Transmit selectively at one 1 or 25 watts of...

Page 17: ...el buttons 2 Press the ENTR soft key and observe the current backlight setting HIGH MEDIUM LOW or OFF 3 Use the Up Down buttons or Right Left soft keys to switch to the setting you want 4 Press the EN...

Page 18: ...owering off the radio or disconnecting power to the radio Time Adjust All VHF DSC and GPS activities use a 24 hour clock and Universal Coordinated Time UTC which was formerly known as Greenwich Mean T...

Page 19: ...priority channel setting 5 The radio will return to the settings menu The radio will remember the saved priority channel setting when powering off the radio or disconnecting power to the radio Operati...

Page 20: ...r coordinate system ddd mm mm ddd mm ss ddd mm mmm o o o GPS Menu All VHF Marine radios SHOULD NEED to have a GPS receiver connected and operating to effectively use the DSC Digital Selective Calling...

Page 21: ...tter Power Shown as a PASS or FAIL If a FAIL is reported the RF output power is incorrect Check the installation of the radio to ensure proper solid connections to power and the antenna c Antenna stat...

Page 22: ...ith the Up Down soft keys or the channel Up Down buttons 2 Press the ENTR soft key and scroll to RADIO MMSI ENTRY with the Up Down soft keys or the channel Up Down buttons 3 Press the ENTR soft key Th...

Page 23: ...an establish Group MMSIs These allow a message to be sent automatically to all members of the group without having to call each one individually Each member of the group must enter the group MMSI numb...

Page 24: ...exit entr position reply manual auto exit entr auto chanl switch off on To Set The Individual Reply Auto or Manual 1 Enter the DSC SETUP MENU menu and scroll to INDIVID CALL REPLY Individual Call Rep...

Page 25: ...always be included as scanned channels The remaining channel will be the VHF channel in effect when you enter Tri Watch mode NOTE The radio must be squelched for tri watch to function See page 26 for...

Page 26: ...f the Memory Scan mode 88 14 88 30 60 75 79A 68 69 71 88 15 30 60 75 Scanning Up Down Buttons 110 27 843W comml 25 53 438N 25W USA 07 30 11 15 o o TW WX call more Soft Keys 110 27 843W comml 25 53 438...

Page 27: ...tressed vessel Example 1 When engine noise music or conversation creates too much noise to hear an inbound message clearly press the Rewind Say Again button to enter the Rewind Say Again menu to be ab...

Page 28: ...ners NOTE The DSC call n Sound the distress alarm at all receiving stations n Inform receiving stations of your identity MMSI n Informs receiving stations of the nature of the emergency n Informs rece...

Page 29: ...rding Distress Relay Calls This radio cannot send Distress Relay calls Only large ships and shore stations with specially equipped radios can send Distress Relay calls Receiving Distress Relay Calls T...

Page 30: ...Up Down soft keys or the channel Up Down buttons to highlight a previously entered directory entry or use the MANUAL entry option 3 Press the ENTR key 4 Using the Up Down soft keys or the channel Up...

Page 31: ...ced in the Call Log and the radio is switched to the channel selected by the caller similar to an Individual call Press any button to turn Off the alarm To Receive A Group Call 1 Listen for the group...

Page 32: ...on Request continued Receiving A Position Request When you went through the DSC set up process you set a position request reply type See page 42 to change your setting Depending on the setting you cho...

Page 33: ...annel Up Down buttons to highlight a previously entered directory entry or use the MANUAL entry option 3 Press the ENTR key 4 Press the ENTR soft key to send the Position SEND Call 5 Press the EXIT so...

Page 34: ...It will capture the caller s MMSI identification number and any other data included in a DSC message NOTE Each Call Log memory can hold up to 20 messages Once the memory becomes full each new call wi...

Page 35: ...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 spe...

Page 36: ...anales Espa ol Asignaci n de canales de VHF para radiocomunicaci n mar tima Existen tres 3 juegos de canales VHF para uso mar timo en los EE UU Canad y el resto del mundo internacional La mayor a de l...

Page 37: ...peraciones portuarias Canales 1A 5A 12 14 18 19 20A 21 22 63A 65A 66A 73 74 75 76 77 79 80 81 82 Usados para dirigir el movimiento de las embarcaciones dentro de reas portuarias esclusas o canales Los...

Page 38: ...vement operaciones portuarias movimiento de embarcaciones 07A 156 350 156 350 Commercial Comerciales 08 156 400 156 400 Commercial Intership Only Comercial entre embarcaciones solamente 09 156 450 156...

Page 39: ...amente Canada Coast Guard Only Canad guardia costera solamente 21B RX only 161 650 Coast Guard Only Weather Broadcasts Solamente Guardacostas Transmisiones Meteorol gicas 22 157 100 161 700 Port Opera...

Page 40: ...rcial 63 156 175 160 775 Public Correspondence Marine Operator Correspondencia p blica operador mar timo Port Operations Ship Movement operacionesportuarias movimientodeembarcaciones 63A 156 175 156 1...

Page 41: ...nes portuarias movimiento de embarcaciones 75 156 775 156 775 1 watt Port Operations Intership Only Operaciones portuarias entre embarcaciones solamente 76 156 825 156 825 1 watt Port Operations Inter...

Page 42: ...lica operador mar timo Port Operation Ship Movement operacionesportuarias movimientodeembarcacione 83A 157 175 157 175 U S Government Only Canada EE UU entidades gubernamentales solamente Coast Guard...

Page 43: ...s frecuencias A esto se le llama operaci n d plex El resto de los canales de n meros simples y todos los canales A como 01A 03A y 04A transmiten y reciben en una sola frecuencia a la que se le llama o...

Page 44: ...tions 1 The serial number has been removed or modified 2 Your product has been subjected to misuse or damage including water damage physical abuse and or improper installation 3 Your product has been...

Page 45: ...U S A if your product should require factory service please please go to www cobra com support and follow the instructions for returning your product to the Cobra Factory Service Department for servic...

Page 46: ...t our website www cobra com 2022 Cobra Electronics Corporation Cobra Cobra Marine Nothing Comes Close to a Cobra Rewind Say Again and the snake design are registered trademarks of Cobra Electronics Co...

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