Cobra Electronics MRF45 owner manual Marine Distress Procedure DSC, Say, Tell where you are

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Emergency Messages

And Distress Procedure

VHF Marine Radio Protocols

Marine Distress Procedure

Speak slowly — clearly — calmly.

1.Make sure your radio is On.

2.Select VHF Channel 16.

3.Press Talk button and say: “MAYDAY — MAYDAY — MAYDAY.” (Or “PAN — PAN — PAN,”

or “SECURITE — SECURITE — SECURITE.”)

4.Say:

“THIS IS [your vessel name or call sign].”

5.Say:

“MAYDAY (or “PAN” or “SECURITE”) [your vessel name or call sign].

6.Tell where you are:

(what navigational aids or landmarks are near).

7.State the nature of your distress.

8.State the kind of assistance needed.

9.Give number of persons aboard and conditions of any injured.

10.Estimate present seaworthiness of your vessel.

11.Briefly describe your vessel (length, type, color, hull).

12.Say:

“I WILL BE LISTENING ON CHANNEL 16.”

13.End message by saying:

“THIS IS [your vessel name or call sign] OVER.”

14.Release Talk button and listen. Someone should answer. If not, repeat the call, beginning at item 3 above.

Emergency Messages

and Distress Procedure

VHF Marine Radio Protocols

Keep the radio nearby. Even after your message has been received, the Coast Guard can find you more quickly if you can transmit a signal for a rescue boat to hone in on.

For Example

“Mayday — Mayday — Mayday”

“This is Corsair — Corsair — Corsair” [or “Illinois 1234 AB“ three (3) times]

“Mayday Corsair (or Illinois 1234 AB)”

“Navy Pier bears 220 degrees magnetic — distance 5 miles”

“Struck submerged object and flooding — need pump and tow”

“Four adults, three children aboard — no one injured”

“Estimate we will remain afloat one-half (1⁄2) hour”

“Corsair (or Illinois 1234 AB) 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 where you and others on your vessel can see it when an emergency message needs to be sent.

Marine Distress Procedure – DSC

•

Once your radio is connected to a GPS device and is properly set-up with your MMSI, simply lifting the red spring-loaded door and pressing the button will automatically send a complete distress call on 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.

 

 

 

 

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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 Information VHF Marine Radio Procedures Maintain Your Watch VHF Marine Radio Procedures Voice 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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