Cobra Electronics MR HH425LI owner manual Marine Emergency Signals, If You Hear a Distress Call

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VHF Marine Emergency Messages and Distress Procedure

VHF Marine Radio Protocols

Marine Emergency Signals

The three (3) spoken international emergency signals are:

MAYDAY

The distress signal MAYDAYis used to indicate that a station is threatened by grave and imminent danger and requests immediate assistance.

PAN

The urgency signal PAN is used when the safety of the vessel or person is in jeopardy. (This signal is properly pronounced pahn.)

SECURITE

The safety signal SECURITE is used for messages about the safety of navigation or important weather warnings. (This signal is properly pronounced see-cure-ee-tay.)

When using an international emergency signal, the appropriate signal is to be spoken three (3) times prior to the message.

VHF Marine Emergency Messages and Distress Procedure

VHF Marine Radio Protocols

If You Hear a Distress Call

You must give any message beginning with one (1) of these signals priority over any other messages. ALL stations MUST remain silent on Channel 16 for the duration of the emergency unless the message relates directly to the emergency.

If you hear a distress message from a vessel, stand by your radio. If it is not answered, YOU should answer. If the distressed vessel is

not nearby, wait a short time for others who may be closer to acknowledge. Even if you cannot render direct assistance, you may be in a position to relay the message.


14 English		Nothing Comes Close to a Cobra® 15

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Contents For Assistance Outside the U.S.A Our Thanks to You Customer AssistanceHow Your CobraMarine VHF/GMRS Radio Works For Assistance in the U.S.ABacklit LCD Liquid Crystal Display Screen Radio Controls IndicatorsBacklit LCD Screen Product Features Instant Channel 16/9 Lithium-Ion Rechargeable Battery PackSignal Strength Meter Channel Scan/Memory ScanTable of Contents Always use only Cobra authorized accessories Important Safety InformationSafety Training Information Important Safety InformationRecommendations for Marine Communication Recommendations for Marine CommunicationRadio Call Sign VHF Marine FCC Licensing InformationStation License International Station LicenseVHF Marine Radio Procedures Vessel Corsair is calling the vessel Vagabond VHF Marine Voice CallingVHF Marine Voice Calling VHF Marine Radiotelephone Calls VHF Marine Emergency Messages and Distress ProcedureIf You Hear a Distress Call Marine Emergency SignalsThree 3 spoken international emergency signals are End message by saying Marine Distress ProcedureTell where you are SayVHF Marine Channel Assignments 03A Government Only International Distress, Safety and Calling156.700 Rx Only 156.750 156.800 156.85023A Government Only 20A Port Operations Port Operations, Ship Movement21A U.S. Government Only Canada Coast Guard Only Digital Selective Calling Voice communications not allowed 64A U.S. Government Only Canada Commercial Fishing81A U.S. Government Only Environmental Protection Operations Gmrs FCC Licensing Gmrs Communication Gmrs FCC LicensingGMRS/FRS Frequency Allocation and Compatibility Gmrs CommunicationWeather Frequency/Channel Noaa Weather Channels AlertNoaa Test Alert System Noaa Emergency Weather AlertSpecific Area Message EncodingSAME Alerts Specific Area Message Encoding Same AlertsIncluded in this Package Belt Clip Antenna, Wrist Strap Belt ClipBatteries and Charger Wrist StrapAlkaline Batteries To Remove Battery Pack from RadioInitial Charge Common Radio Functions All Bands Power/Volume/Squelch Controls Power On/Off ControlVolume Control Getting StartedBacklight/Key Lock Button Call/Enter/Setup Button To Lock or Unlock the ButtonsSquelch Control Talk ButtonScan Button High/Medium/Low H-M-L Power ButtonTo Toggle Between H-M-L Power Modes Call /Enter/Setup ButtonTo Set Channel Map Operating Area Setup Mode ProgrammingSetup Mode Programming USA/International/Canada Channel MapsTo set VOX Sensitivity Level Voice Activated Transmit VOX ModeTo turn VOX Mode On or Off VibrAlert ModeTo Set Call Tone Call Tone ModeRoger Beep Mode Key Tone ModeTo Set DCS Code Entry Ctcss and DCS Coding ModeTo Set Ctcss Code Entry To Set DCS Code Scan Ctcss and DCS Code Scan ModeTo Set Ctcss Code Scan To Set Specific Area Message Encoding Same Alert On or Off To Set WX Alert On or OffTo Set WX Auto Search Scan On or Off Standby/Receive and Transmit Marine VHF Standby ModeStandby/Receive Transmit Marine VHF, Gmrs and WX Alert Standby Band SelectionsTransmit Tx Icon Bar Graph Icon To Transmit a Message Gmrs Standby ModeTransmit Tx and Receive Rx Modes Receive Rx Icon Bar Graph IconWX Auto Search Scan function is On Weather WX Standby ModeWX Alert Standby Mode WX Auto Search Scan Mode FunctionAdvanced Operation Channel 16/9 ModeAdvanced Operation To Program or Edit the Tri-Watch Locations Tri-Watch ModeUsing Tri-Watch Tri-Watch Scan Mode To Recall a Stored Memory Location To Exit Memory Location ModeMemory Locations To Program Memory LocationsMemory locations, see Channel Scan ModeMemory Location Scan To Enter Channel ScanExample Rewind-Say-Again FeatureUsing Rewind-Say-Again Using Rewind-Say-Again to Record Audio TransmissionTroubleshooting Maintenance TroubleshootingSpecifications MaintenanceProduct Service Product ServiceLapel Speaker Microphone AccessoriesAccessories