Cobra Electronics MRF45 Antenna Requirements And Attachment, Radio Operator Requirements

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Antenna Requirements And Attachment

Antenna Requirements And Attachment

Installation And Start-Up

Antenna Requirements And Attachment

Antenna Requirements

•

Installation And Start-Up

Radio Operator Requirements

Do not transmit when anyone is within the MPE radius of the antenna unless

Your CobraMarine VHF radio requires an external marine antenna

to send signals into the air and to receive them. The radio is arranged to use any of the popular marine VHF antennas, but it is up to you to choose which antenna to 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 the responsibility of both the antenna installer and the radio operator.

Safe Maximum Permissible Exposure (MPE) Radius

To avoid health hazards from excessive exposure to RF energy, FCC OET Bulletin 65 establishes an MPE radius of 10' (3 m) for the maximum power of your radio with an antenna having a maximum power gain of 9 dBi. This means that all persons must be at least 10' (3 m) away from the antenna when the radio is transmitting.

Installation Requirements

A)An omnidirectional antenna with a gain not greater than 9 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 separation distance to comply with RF exposure requirements and is based on the MPE radius of 10' (3 m) plus the 6.6' (2 m) height of an adult.

B)For vessels without structure to mount the antenna as described in A, it must be mounted as follows AND all persons must be outside the 10' (3 m) MPE radius during radio transmissions. The antenna must be mounted so that its lowest point is at least 3.3' (1 m) vertically above the heads of all persons during radio transmissions.

that person or persons are shielded from the antenna by a grounded metallic barrier. This is especially important on vessels with antennas mounted as described in B where no one may be within 9' (2.8 m) horizontally from the base of the antenna during transmissions.

FAILURE TO OBSERVE THE ABOVE LIMITS MAY EXPOSE THOSE WITHIN THE MPE RADIUS TO RF ENERGY ABSORPTION IN EXCESS OF THE FCC MAXIMUM PERMISSIBLE EXPOSURE. IT IS THE RADIO OPERATOR’S RESPONSIBILITY TO INSURE THAT MPE LIMITS ARE HEEDED AND THAT NO ONE IS WITHIN THE MPE RADIUS DURING TRANSMISSIONS.

Coaxial Cable Socket

Antenna Lead 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.

 

 

 

 

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Contents Our Thanks ToYou Customer Assistance For Assistance In The U.S.AFor Assistance Outside The U.S.A Microphone Product Features Product FeaturesMicrophone With Auxiliary Controls Table Of Contents Safety Training Information Important Safety InformationImportant Safety Information Always use only Cobra authorized accessoriesFCC Licensing Information Recommendations For Marine CommunicationVoice Calling VHF Marine Radio ProceduresVHF Marine Radio Procedures Maintain Your Watch Voice CallingDigital Selective Calling DSC Maritime Mobile Service Identity MmsiMaritime Mobile Service Identity Mmsi Digital Selective Calling DSCRadiotelephone Calls Emergency Messages Distress ProcedureEmergency Messages And Distress Procedure Radiotelephone CallsTell where you are Marine Distress ProcedureMarine Distress Procedure DSC SayVHF Marine Channel Assignments VHF Marine Channel Assignments156.800 156.850 International Distress, Safety and Calling156.700 Rx Only 156.750 03A Government Only20A Port Operations Port Operations, Ship Movement 21A U.S. Government Only Canada Coast Guard Only23A Government Only 64A U.S. Government Only Canada Commercial Fishing Digital Selective Calling Voice communications not allowed81A U.S. Government Only Environmental Protection Operations World City Time Zones World City Time ZonesNoaa Weather Channels Alert Noaa Weather Channels And AlertIncluded In This Package Mounting Powering The RadioMounting And Powering The Radio Included In This PackageElectrical Power Connection Microphone BracketFlush Mount Kit Not Included Radio Operator Requirements Installation RequirementsAntenna Requirements And Attachment Safe Maximum Permissible Exposure MPE RadiusGlobal Positioning System GPS Device Not Included External Devices ConnectionsExternal Devices And Connections Microphone AttachmentGetting Started Tones And AlarmsPower On-Off Getting StartedVolume Standby And ReceiveSquelch LCD Backlight Set-Up Routines Settings MenuSet-Up Routines LCD ContrastTo Set Your Radio For The Area In Which You Will Be Using It A./International/Canada Channel MapsVoice Transmission Transmit Power OutputVoice Transmission ChannelsNoaa All Hazards/Weather Radio And Alert Weather Radio And AlertAdvanced Operation Advanced OperationDual-Watch ScanUser Mmsi Number DSC Set-UpDSC Set-Up If You Incorrectly Enter Your Mmsi NumberIfYou TransferYourRadioTo a DifferentVessel Group Mmsi NumberDSC Scanning To Set The Position Request Reply Type Position Request Reply TypeIndividual Directory To Enter Or Edit Names And Mmsi Numbers In The DirectoryDSC Operation DSC OperationSending Distress Calls Regarding Distress Relay Calls Receiving Distress CallsSending An All Ships Calls Receiving Distress Relay CallsSending a Geographical Call Receiving An All Ships CallSending An Individual Call Receiving a Geographical CallSending a Group Call Receiving An Individual CallReceiving a Group Call Sending a Position RequestIf The Station You Called Cannot Send Its Position To Exit The Position Request ModeIf You Receive a Position If The Station You Called Chose Not To ReplyReceiving a Position Request Sending a Position SendReceiving a Position Send Maintenance Maintenance TroubleshootingSpecifications TroubleshootingProduct Service Accessories Order Info Optional Accessories
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