Cobra MRF55 Owner's Manual
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Cobra MRF55 Owner's Manual

Cobra mrf55 marine radio: user guide
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Owner's Manual
VHF MARINE RADIO
MR F55
Nothing comes close to a Cobra
®
English

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Summary of Contents for Cobra MRF55

  • Page 1 Owner’s Manual VHF MARINE RADIO MR F55 Nothing comes close to a Cobra ® English...

  • Page 2: Our Thanks To You

    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.

  • Page 3: Table Of Contents

    VHF Marine Radio Procedures ........

  • Page 4: Important Safety Information

    DO NOT allow children or anyone unfamiliar with proper procedures to operate the radio without supervision. Failure to observe any of these warnings may cause you to exceed FCC RF exposure limits or create other dangerous conditions. authorized accessories. Nothing comes close to a Cobra ®...

  • Page 5: Recommendations For Marine Communication

    VHF marine radio, RADAR, or EPIRB (Emergency Position Indicating Radio Beacon), and which is not required to carry radio equipment. However, any vessel required to carry a marine radio on an international voyage, carrying a HF single side band radiotelephone, or carrying a marine satellite terminal must obtain a station license.

  • Page 6: Vhf Marine Radio Procedures

    THIS IS [your vessel’s name or call sign].” Once contact is made on the calling channel, you must switch to a proper working channel. See the channel listing on page 14 through 15. • Nothing comes close to a Cobra ®...

  • Page 7: Digital Selective Calling (Dsc)

    VHF Marine Radio Protocols Maritime Mobile Service Identity (MMSI) An MMSI is a nine (9) digit number used on a marine radio capable of using digital selective calling (DSC). It is used to selectively call other vessels or shore stations and is similar to a telephone number.

  • Page 8: Radiotelephone Calls

    Emergency Messages And Distress Procedure The ability to summon assistance in an emergency is the primary reason to have a VHF marine radio. The marine environment can be unforgiving, and what may initially be a minor problem can rapidly develop into a situation beyond your control.

  • Page 9: Marine Distress Procedure - Dsc

    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. • Nothing comes close to a Cobra ®...

  • Page 10: Vhf Marine Channel Assignments

    * These channels are restricted to the listed uses in certain parts of the country or for certain types of users only. Consult FCC rules or a knowledgeable radio operator before using them. Nothing comes close to a Cobra ®...
  • Page 11 Environmental (Receive Only). Used by class C EPIRB’s. 1 Watt CAN and INT Canada (EPIRB Buoys Only); International (On-Board Communication) International Distress, Safety and Calling 1 Watt CAN State Controlled (U.S.A. Only) VHF Marine Channel Assignments Nothing comes close to a Cobra ®...
  • Page 12 U.S. (Government Only); Canada (Coast Guard Only); West Coast (Coast Guard Only); East Coast (Commercial Fishing) Public Correspondence (Marine Operator), Port Operations, Ship Movement West Coast (Coast Guard Only); East Coast (Commercial Fishing) VHF Marine Channel Assignments Nothing comes close to a Cobra ®...
  • Page 13 U.S. (Port Operations); Canada (Commercial Fishing Only); International (Intership, Port Operations, Ship Movement) Port Operations (Intership only). Restricted to communications 1 Watt CAN with pilots for movement and docking of ships. VHF Marine Channel Assignments Nothing comes close to a Cobra ®...
  • Page 14 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 Channel Assignments Nothing comes close to a Cobra ®...

  • Page 15: World City Time Zones

    Weather Frequency Channel RX Frequency MHz 162.550 162.400 162.475 162.425 162.450 162.500 162.525 161.650 161.775 163.275 • ™ VHF radio can detect and warn you of a Nothing comes close to a Cobra ®...

  • Page 16: Included In This Package

    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. Nothing comes close to a Cobra • ®...
  • Page 17 To Connect To A Power Source: 1. Attach the black power wire to a negative ground. 2. Attach the fused red power wire to the positive side of the power system. Nothing comes close to a Cobra ®...

  • Page 18: Antenna Requirements And Attachment

    Once the antenna is installed, the Coaxial Cable Lead can be attached to the socket at the back of the transceiver. CAUTION Attempting to transmit without an antenna attached will damage your CobraMarine ™ VHF radio. Nothing comes close to a Cobra ®...

  • Page 19: External Devices And Connections

    When bonding the wires, make sure connections are secure and properly insulated. 4. Connect the new combination cable to the GPS device and to the back of the transceiver. NOTE Satellite acquisition time is dependent on the GPS device. Nothing comes close to a Cobra ®...

  • Page 20: Getting Started

    The radio will return to the settings in effect when it was last powered Off, the LCD will show the corresponding information, and all controls will be operative. The radio will then be in Standby mode. ⁄ ) second beeps Nothing comes close to a Cobra ®...
  • Page 21 Channels 16 and 9. c. Press the Weather/UIC button. This will toggle the radio between Standby mode and Weather Radio mode. When in Weather Radio mode, the Up/Down buttons will change the weather channel. Weather/UIC Button Nothing comes close to a Cobra ®...

  • Page 22: Set-Up Routines

    4. Press the Call/Set 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. Nothing comes close to a Cobra ®...

  • Page 23: Confirmation Tone

    LCD. 2. Repeat step 1 to shift to the next channel map(s) in the sequence (International), (Canada) then back to The radio will return to Standby mode each time the button is released. Nothing comes close to a Cobra ®...

  • Page 24: Voice Transmission

    Transmit Power Output • Your radio can Transmit selectively at one (1) or 25 watts of power. Cobra suggests you maintain the low power setting for short-range communications and to avoid overpowering nearby stations with your signal. Use the high power setting for long-range communications or when you do not receive a response to a signal sent at one (1) watt.

  • Page 25: Advanced Operation

    Up/Down buttons to change to other channels. In that event, another press of the Channel 16/9 button will switch your radio to Channel 16 and the sequence will start over at step 1. Nothing comes close to a Cobra • ®...

  • Page 26: Advanced Operation

    During Scan (while not receiving a transmission): a. Press the Talk button to communicate on the last channel scanned and return to Standby mode. Nothing comes close to a Cobra will show SCAN ®...

  • Page 27: Dsc Set-Up

    If, for any reason, it is necessary to change the MMSI number in the radio more than once, you can return it to Cobra for reset. USER MMSI USER MMSI ID ENTRY ®...

  • Page 28: Group Mmsi Number

    For example, member 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. Nothing comes close to a Cobra ®...

  • Page 29: Individual Directory

    3 through 11. is selected, pressing the Call/Set button EXIT will return you to the Settings menu. You can enter a total of ten (10) names and MMSI numbers in the directory. Nothing comes close to a Cobra ®...

  • Page 30: Dsc Operation

    MMSI number will show on the LCD. If no acknowledgement is received, the radio will resend the message at approximately four (4) minute Distress Acknowledgement intervals until an acknowledgement is received or you abort the distress call. MANUAL EXIT Nothing comes close to a Cobra ®...
  • Page 31 Channel 16 or the channel you selected to hear your voice message. Routine Waiting To return to Standby mode without sending a message, use the Up/Down buttons to scroll to press the Call/Set button. ALL SHIPS EXIT Nothing comes close to a Cobra ®...
  • Page 32 Up/Down buttons. If you choose Send/Exit EXIT your radio will restart the individual call. If you choose , you will be returned to the individual location EXIT on the Call Send menu. INDIVIDUAL was chosen. SEND SEND Nothing comes close to a Cobra ®...
  • Page 33 POS REQST the menu. 4. Press the Call/Set button to enter the Individual Directory menu. 5. Use the Up/Down buttons to scroll to the name of the station whose position you want to request. Nothing comes close to a Cobra ®...
  • Page 34 3) Use the Up/Down buttons to scroll to EXIT 4) Press the Call/Set button to return to the Call Send menu. 5) Use the Up/Down buttons to scroll to EXIT 6) Press the Call/Set button to return to Standby mode. Nothing comes close to a Cobra ®...

  • Page 35: Receiving A Position Request

    When another station sends you its position in Position Send mode, the individual alarm will sound and the station’s name and position will be shown on the LCD. Press any button to turn Off the alarm and return to Standby mode. Nothing comes close to a Cobra ®...

  • Page 36: Maintenance

    0.30 uV -60 dB -60 dB -60 dB 4 Watts @ 8 Ohms 156.025 to 157.425 MHz 1 and 25 Watts -60 dB High -55 dB Low Electret +/-10 ppm 40 dB Nothing comes close to a Cobra • ®...

  • Page 37: Warranty

    4. If the owner of the product resides outside the U.S.A. All implied warranties, including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty. Cobra shall not be liable for any incidental, consequential or other damages; including, without limitation, damages resulting from loss of use or cost of installation.

  • Page 38: Order Form And Optional Accessories

    Cobra ® Electronics, Attn: Accessories Dept. Positioning System) 6500 West Cortland Street, Chicago, IL 60707 USA HighGear ® Accessories To order online, please visit our website: www.cobra.com VHF Marine Radios Power Inverters 70 English • Country Exp. Date Amount U.S. Subtotal Total •...

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