Cobra Electronics MRF45 owner manual Receiving An Individual Call, Receiving a Group Call

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Operating Your Radio

Caller Identified

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:

Press the Talk button and greet the caller — almost as if you were answering the telephone.

DSC Operation

Operating Your Radio

Receiving A Group Call

When another station makes a Group 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, just as for an individual call. Press any button to turn Off the alarm.

Caller Identified

To Receive A Group Call:

1.

Listen for the group voice message.

2.

Press the Talk button and respond

 

only if appropriate.

Sending A Group Call

Sending a Group call is very similar to sending an individual call, except that the group MMSI is used and the resend and DSC responses do not apply.

Sending A Position Request

Position Request mode enables a DSC radio to obtain the position

Standby Mode

To Send A Group Call:

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

(latitude and longitude) of a station that has a GPS device connected to the DSC radio at that station.

Group

Send/Exit

Group Waiting

 

to communicate.

2.

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

3.

Use the Up/Down buttons to scroll to GROUP.

4.

Press the Call/Set button to move to the send

 

or exit menu.

5.

Use the Up/Down buttons to select SEND or EXIT.

6.

Press the Call/Set button to send the message or

 

return to the Call Send menu if EXIT was chosen.

All radios will be switched to the channel selected in step 1. Press and hold the Talk button to send your voice message to everyone in the group.

Anyone in the group can now also transmit on that channel.

Standby Mode

Position Request

Individual Directory

To Request The Position Of Another Station:

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 POS REQST (position request) on 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.

60 English

Nothing Comes Close to a Cobra® 61

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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 Important Safety Information Important Safety InformationSafety Training Information Always use only Cobra authorized accessoriesRecommendations For Marine Communication FCC Licensing InformationVHF Marine Radio Procedures Maintain Your Watch VHF Marine Radio ProceduresVoice Calling Voice CallingMaritime Mobile Service Identity Mmsi Maritime Mobile Service Identity MmsiDigital Selective Calling DSC Digital Selective Calling DSCEmergency Messages And Distress Procedure Emergency Messages Distress ProcedureRadiotelephone Calls Radiotelephone CallsMarine Distress Procedure DSC Marine Distress ProcedureTell where you are SayVHF Marine Channel Assignments VHF Marine Channel Assignments156.700 Rx Only 156.750 International Distress, Safety and Calling156.800 156.850 03A Government Only20A Port Operations Port Operations, Ship Movement 21A U.S. Government Only Canada Coast Guard Only23A Government Only Digital Selective Calling Voice communications not allowed 64A U.S. Government Only Canada Commercial Fishing81A U.S. Government Only Environmental Protection Operations Noaa Weather Channels Alert World City Time ZonesWorld City Time Zones Noaa Weather Channels And AlertMounting And Powering The Radio Mounting Powering The RadioIncluded In This Package Included In This PackageElectrical Power Connection Microphone BracketFlush Mount Kit Not Included Antenna Requirements And Attachment Installation RequirementsRadio Operator Requirements Safe Maximum Permissible Exposure MPE RadiusExternal Devices And Connections External Devices ConnectionsGlobal Positioning System GPS Device Not Included Microphone AttachmentPower On-Off Tones And AlarmsGetting Started Getting StartedVolume Standby And ReceiveSquelch Set-Up Routines Set-Up Routines Settings MenuLCD Backlight LCD ContrastA./International/Canada Channel Maps To Set Your Radio For The Area In Which You Will Be Using ItVoice Transmission Transmit Power OutputVoice Transmission ChannelsAdvanced Operation Weather Radio And AlertNoaa All Hazards/Weather Radio And Alert Advanced OperationScan Dual-WatchDSC Set-Up DSC Set-UpUser Mmsi Number If You Incorrectly Enter Your Mmsi NumberIfYou TransferYourRadioTo a DifferentVessel Group Mmsi NumberDSC Scanning Individual Directory Position Request Reply TypeTo Set The Position Request Reply Type To Enter Or Edit Names And Mmsi Numbers In The DirectoryDSC Operation DSC OperationSending Distress Calls Sending An All Ships Calls Receiving Distress CallsRegarding Distress Relay Calls Receiving Distress Relay CallsSending An Individual Call Receiving An All Ships CallSending a Geographical Call Receiving a Geographical CallReceiving a Group Call Receiving An Individual CallSending a Group Call Sending a Position RequestIf You Receive a Position To Exit The Position Request ModeIf The Station You Called Cannot Send Its Position If The Station You Called Chose Not To ReplyReceiving a Position Request Sending a Position SendReceiving a Position Send Specifications Maintenance TroubleshootingMaintenance TroubleshootingProduct Service Optional Accessories Accessories Order Info
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