Cobra Electronics MRHH325VP Voice Calling, Vessel Corsair is calling the vessel Vagabond

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Voice Calling

VHF Marine Radio Protocols

Voice Calling

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You are required to listen to Channel 16 while standing by. Channel 16 is the distress and safety channel used for establishing initial contact with another station and for emergency communication. The Coast Guard also m onitors Channel 16 for safety purposes for everyone on the water.

NOTE

Channel 9 may be used by recreational vessels for general-purpose calling. This frequency should be used whenever possible to help relieve congestion on Channel 16. The Coast Guard generally does not make urgent marine information broadcasts or weather warnings on Channel 9. Boaters are still asked to “keep watch” on Channel 16 whenever the radio is turned on and not in use with another station.

To call another vessel or shore installation (e.g, lock or bridge tender):

■Make sure the radio is On.

■Make sure you are in standby listening mode on Channel 16. Make sure Channel 16 is not in use.

■When the channel is open (quiet), press the Talk button and call a vessel. Hold the radio or microphone several inches from your face and speak clearly and distinctly in a normal voice tone. Say “name or station being called,” “THIS IS [your vessel name or call sign].”

■Once contact is made, you must leave Channel 16 and go to another working channel. See channel listing on pages 20-27.

For Example

The vessel Corsair is calling the vessel Vagabond:

Corsair: “Vagabond, this is Corsair. Over.”

Vagabond: “Please switch and answer on Channel 68 (or any proper working channel). Over.”

Corsair: “Switching to Channel 68. Over.”

10 English

Voice Calling

VHF Marine Radio Protocols

■If the other does not respond, wait two (2) minutes and repeat. You are permitted to attempt contact three (3) times, two (2) minutes apart. If you still have not made contact, wait 15 minutes before trying again.

■After communications are completed, each vessel must sign off with its call sign or vessel name and the word “out” and return to Channel 16.

NOTE

For best sound quality at the station you are calling, hold the microphone on the front of the radio at least 2 in. (51 mm) from your mouth and slightly off to one (1) side. Speak in a normal tone of voice.

NOTE

“Over and Out”

The most commonly misused procedure words are “over and out” within the same transmission. “Over” means you expect a reply. “Out” means you are finished and do not expect a reply.

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Contents Our Thanks to You Customer Assistance Customer Assistance For Assistance in the U.S.AFor Assistance Outside the U.S.A Backlit LCD Screen Product Features Radio Controls IndicatorsProduct Features Backlit LCD Liquid Crystal Display ScreenEmergency Weather Alert Signal Strength MeterSpeaker/Mic Jack Unlimited Memory Channels Roger Beep Tone SelectableTable of Contents Important Safety Information Safety Training InformationImportant Safety Information Recommendations for Marine Communication Recommendations for Marine CommunicationFCC Licensing Information VHF Marine Radio Procedures Voice Calling Voice CallingVoice Calling Vessel Corsair is calling the vessel VagabondEmergency Messages and Distress Procedure Emergency Messages Distress ProcedureRadiotelephone Calls Radiotelephone CallsMarine Emergency Signals Marine Distress ProcedureIf You Hear a Distress Call Emergency Messages and Distress Procedure VHF Marine Channel Assignments International Distress, Safety and Calling VHF Marine Channel Assignments03A Government Only 20A 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 Emergency Weather Alert Noaa Weather Channels AlertNoaa Test Alert System Weather Frequency/ChannelIncluded in this Package Antenna, Wrist StrapBelt Clip Batteries and Charger Initial ChargeBatteries and Charger Alkaline Batteries Maintaining the Battery ChargeGetting Started Power/Volume/Squelch Controls Power On/Off ControlCommon Radio Functions Getting StartedScan Button Backlight/Key Lock ButtonSetup Mode Programming Setup Mode ProgrammingHigh/Medium/Low H-M-L Power Button To Toggle Between H-M-L Power ModesUSA/International/Canada Channel Maps VibrAlert ModeTo Set Channel Map Operating Area To set VibrAlertRoger Beep Mode Call Tone ModeKey Tone Mode Standby/Receive TransmitStandby/Receive and Transmit Marine Standby and Receive Rx ModeTo Set WX Alert On or Off To Set WX Auto Search Scan On or OffWeather WX Standby Mode Transmit Tx ModeWX Alert Standby Mode To Transmit a MessageChannel 16/9 Mode Advanced OperationAdvanced Operation Tri-Watch Setup To Program or Edit the Tri-Watch Channels Tri-Watch ModeUsing Tri-Watch Tri-Watch Scan Mode Advanced OperationTo Exit Memory Location Mode Memory Location ModeTo Program Memory Locations To Recall a Stored Memory LocationChannel Scan Mode Product FeaturesMemory Location Scan Mode To Enter Channel ScanMaintenance Troubleshooting MaintenanceTroubleshooting Specifications Limited 3-Year Warranty Warranty and Trademark Specifications AcknowledgementFor Products Purchased In The U.S.A For Products Purchased Outside The U.S.AProduct Service AccessoriesAccessories
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