Cobra Electronics MRF45 owner manual Receiving An All Ships Call, Sending An Individual Call

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DSC Operation

Operating Your Radio

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.

All Ships Call

When An All Ships Call Is Heard:

1. Press any button to turn Off the alarm and return to

DSC Operation

Operating Your Radio

Sending An Individual Call

The DSC Individual call feature allows you to notify one (1), and only one (1), station that you want to communicate with that station. It does not alert all other stations within range that you will be sending a message as a voice call on Channel 16 or Channel 9 would.

 

Standby mode.

2.

Read and write down the MMSI of the vessel sending

 

the call as well as the date and time of the call in case

 

you will want to respond.

3.

Listen to the voice message sent on the channel your

 

radio was switched to by the incoming all ships call.

Sending A Geographical Call

Your radio cannot send Geographical calls. Only large ships and shore stations with specially equipped radios can send these calls.

Receiving A Geographical Call

Geographical calls are sent by specially equipped radios to all stations in a particular geographical area to alert only those stations of the call and not stations in unaffected areas. If you are in an area to which a Geographical call is made, it will sound the geographical alarm on your radio and switch your radio to the channel chosen by the sending station.

Geographical Call

When A Geographical Call Is Heard:

1.Press any button to turn Off the alarm.

2.Read and write down the MMSI of the vessel sending the call as well as the date and time of the call in case you will want to respond.

3.Listen to the voice message sent on the channel your radio was switched to by the incoming geographical call.

4.Press one (1) of the following three (3) buttons to switch from geographical call receive to Standby mode: Call/Set button, Channel 16/9 button, or Talk button.

Standby Mode

Individual

Select Name

Individual Waiting

Send/Exit

To Send An Individual Call:

1.In Standby mode, select a channel on which you want to communicate.

2.Press the Call/Set button to enter the Call Send menu.

3.Use the Up/Down buttons to scroll to INDIVIDUAL.

4.Press the Call/Set button to move to the individual directory.

5.Use the Up/Down buttons to select the name you want to call from the directory.

6.Press the Call/Set button to send the message or return to Standby mode if EXIT was chosen.

If the radio you are calling sends back an automatic DSC response of “able to comply,” the individual alarm will sound. Wait for a voice message from the called station.

If the called radio does not send an “able to comply” response, your radio will wait eight (8) seconds and resend the message.

If an “unable to comply” response or no reply is received, your radio will go to the Unavailable menu.

At the Unavailable menu, you can choose SEND or EXIT with the Up/Down buttons. If you choose SEND, your radio will restart the individual call. If you choose EXIT, you will be returned to the individual location on the Call Send menu.

58 English

Nothing Comes Close to a Cobra® 59

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Contents For Assistance Outside The U.S.A Our Thanks ToYouCustomer Assistance For Assistance In The U.S.A Microphone With Auxiliary Controls Microphone Product FeaturesProduct Features Table Of Contents Important Safety Information Important Safety InformationSafety Training Information Always use only Cobra authorized accessoriesFCC Licensing Information Recommendations For Marine CommunicationVHF Marine Radio Procedures VHF Marine Radio Procedures Maintain Your WatchVoice Calling Voice CallingMaritime Mobile Service Identity Mmsi Maritime Mobile Service Identity MmsiDigital Selective Calling DSC Digital Selective Calling DSCEmergency Messages Distress Procedure Emergency Messages And Distress ProcedureRadiotelephone Calls Radiotelephone CallsMarine Distress Procedure Marine Distress Procedure DSCTell where you are SayVHF Marine Channel Assignments VHF Marine Channel AssignmentsInternational Distress, Safety and Calling 156.700 Rx Only 156.750156.800 156.850 03A Government Only23A Government Only 20A Port Operations Port Operations, Ship Movement21A U.S. Government Only Canada Coast Guard 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 Noaa Weather Channels AlertWorld City Time Zones Noaa Weather Channels And AlertMounting Powering The Radio Mounting And Powering The RadioIncluded In This Package Included In This PackageFlush Mount Kit Not Included Electrical Power ConnectionMicrophone Bracket Installation Requirements Antenna Requirements And AttachmentRadio Operator Requirements Safe Maximum Permissible Exposure MPE RadiusExternal Devices Connections External Devices And ConnectionsGlobal Positioning System GPS Device Not Included Microphone AttachmentTones And Alarms Power On-OffGetting Started Getting StartedSquelch VolumeStandby And Receive Set-Up Routines Settings Menu Set-Up RoutinesLCD Backlight LCD ContrastTo Set Your Radio For The Area In Which You Will Be Using It A./International/Canada Channel MapsTransmit Power Output Voice TransmissionVoice Transmission ChannelsWeather Radio And Alert Advanced OperationNoaa All Hazards/Weather Radio And Alert Advanced OperationDual-Watch ScanDSC Set-Up DSC Set-UpUser Mmsi Number If You Incorrectly Enter Your Mmsi NumberDSC Scanning IfYou TransferYourRadioTo a DifferentVesselGroup Mmsi Number Position Request Reply Type Individual Directory To Set The Position Request Reply Type To Enter Or Edit Names And Mmsi Numbers In The DirectorySending Distress Calls DSC OperationDSC Operation Receiving Distress Calls Sending An All Ships CallsRegarding Distress Relay Calls Receiving Distress Relay CallsReceiving An All Ships Call Sending An Individual CallSending a Geographical Call Receiving a Geographical CallReceiving An Individual Call Receiving a Group CallSending a Group Call Sending a Position RequestTo Exit The Position Request Mode If You Receive a PositionIf The Station You Called Cannot Send Its Position If The Station You Called Chose Not To ReplyReceiving a Position Send Receiving a Position RequestSending a Position Send Maintenance Troubleshooting SpecificationsMaintenance TroubleshootingProduct Service Accessories Order Info Optional Accessories
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