Furuno Essential Guidelines for Handling VHF DSC Distress Alerts on Telephones

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Flow chart - Action by ships upon reception of VHF DSC distress alert

DSC Distress alert received.

Press [ALARM STOP] key to silence alarm.

Listen on CH16 for 5 minutes.

Did you receive		No			Is distress traffic
acknowledge from		No			Is distress traffic
CS and/or RCC?					in progress?
						Yes



	Yes				Is own
	Yes				vessel able


					to assist?
CS = Coast Station						No
						No

RCC = Rescue Co-ordination Center

Enter details in log.

	No			Is distress call		No
				continuing?
				continuing?

					Yes


Yes				Acknowledge the alert by
				radiotelphony to the ship
				radiotelphony to the ship
				in distress on VHF CH16.

1.Say "MAYDAY" ONCE.

2.Say ID number of vessel in distress THREE TIMES.

3.Say "This is" ONCE.

4.Say ID number of your vessel

THREE TIMES.

5.Say "Received MAYDAY" ONCE.

Inform CS and/or RCC.

3-6

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Contents VHF Radiotelephone 00080762901 Cancelling a False Distress Alert Page Iii Table of Contents Maintenance Troubleshooting Diagnostic Test System ConfirmationFeatures Program numberVii System Configuration ViiiThis page is intentionally left blank VHF Radiotelephone Operational Overview Controls, Indications ControlsIndications Telephone Operation Turning the loudspeaker on/off Output powerTransmitting ChannelRemarks on voice communications Dual watchScanning PriorityThis page is intentionally left blank DSC Terminal Operational Overview DSC MessagesUTC Universal Time Coordination Channel Voice communication channelPos Ship’s position ACK RQ BQControls, LEDs LEDsKeyboard Normal display When blinking question mark appearsBasic Operation Selecting and registering itemsPrepare message and then transmit it Preparing and Transmitting MessagesPreparing message for immediate transmission Preparing and storing message for later transmissionStatus of FM-8500 during DSC Call Key entry of VHFAuto function Auto AcknowledgeTurning & Auto ACK on/off Manual functionPage Transmitting the distress call Provide the following information to the coast station Distress call Distress communicationsEntering data manually Canceling manually entered dataManual Entry of Ship’s Position and Time Confirming Ships Position and TimeProcedure when in area A1 Receiving Distress Alert from Other ShipCS and/or RCC? Progress? Yes Transmitting Dist ACK over CH16 Transmitting Dist ACK After transmitting Dist ACKProcedure Distress RelayGeneral From previous Wait for relay ack This page is intentionally left blank General procedure DSC CommunicationTransmitting Individual Calls Detailed procedure Prepare and transmit a message as followsSelect ROU Received Setting of Able or Unable Receiving Individual Call ACK RQFM-8500 sends the ACK BQ signal automatically Receiving individual call message ACK RQ with Auto ACK OnReceiving ACK RQ with Auto ACK Off ACK BQFrom previous When changing communication mode When to use All Ships Call Transmitting All Ships CallsPlace the cursor on ALL Press the ENT key Press the t key. To return to previous menu From previous Procedure for on hook status Receiving All Ships CallsStatus of FM-8500 Detailed procedure Procedure for off hook statusSelect END and press the ENT key Page END Writing Over Files Example You want to write over file saved under file numberRetrieving, Transmitting Files Retrieving a fileTransmitting a file Transmit/Receive Message Memory Retrieving a transmit messagePress the 9 Xmtd key at the normal display Transmitting retrieved message You can transmit a retrieved message as followsReceive message memory Retrieving a receive messagePress the 8 Rcvd key at normal display Select ORDINARY, then press the ENT key Other Calling Types Selection of calling typeRefer to Individual call Refer toTelephone call semi-auto/auto call All ships call Refer toMedical transport All ships call Position request individual callPolling call individual call Neutral craft All ships callMaking Telephone Calls Pstn Call Operation after making DSC call Receiving Telephone Call from Coast Station Other Station IDs and Telephone Nos RegisteringRetrieving This page is intentionally left blank Other Settings Printer Setup Auto/ManualAutomatic printing Manual printing Printing Timing of 4 key pressing Example PringoutExample printout Turning Keyboard Click ON/OFF You can turn keyboard click response on or off as followsAural Alarm Setup This page is intentionally left blank Overview System ConfirmationConfirming Own Ship’s ID Own Ship’s ID can be confirmed as followsConfirming ROM Version At screen 1 previous page, select V and press the ENT keyConfirming VHF Section Settings At screen 1 on page 7-1, select RT and press the ENT keyAt screen 1, select CH and press the ENT key Confirming VHF ChannelsYou can confirm VHF channels registered as follows VHF channel statusConfirming Tx Output Power This page is intentionally left blank Troubleshooting Maintenance & TroubleshootingMaintenance Antenna connectorsDiagnostic Test Transmit Power NG This page is intentionally left blank Specifications GeneralTransmitter Protocol ReceiverDSC Section M.689-2Menu List 10-110-2 10-3 This page is intentionally left blank Page Page Isolation Input sentencesLoad requirements as listner Input impedance Ohms Max. Voltage ThresholdGGA Global positioning system GPS fix data AP-4GLL Geographic position latitude and longitude AP-5RMA Recommended minimum navigation information Loran C data AP-6AP-7 Nature of distress On hook Power settingsFront panel ID number VHF transceiver