DSC Communication, Transmitting Individual Calls | Furuno FM-8500

4.DSC Communication

4.1Transmitting Individual Calls

General

The individual call is for sending message to a specific station. After transmitting message (called ACK RQ transmission), wait to receive the acknowledge back (ACK BQ) signal from receiving station. You should receive it within five minutes.

2 Acknowledge back (ACK BQ signal)

1Individual call

(ACK RQ transmission)

Own Ship	Coast Station

Figure 4-1 Individual Call

General procedure

Load saved Tx message, or prepare message.

Transmit message.

Receive ACK BQ from receiving station.

Communicate with station.

4-1

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Furuno FM-8500 manual DSC Communication, Transmitting Individual Calls, General procedure

Contents

VHF Radiotelephone 00080762901 Cancelling a False Distress Alert Page Iii Table of Contents System Confirmation Maintenance Troubleshooting Diagnostic Test Program number FeaturesVii Viii System Configuration This page is intentionally left blank VHF Radiotelephone Operational Overview Controls Controls, IndicationsIndications Telephone Operation Transmitting Output powerTurning the loudspeaker on/off Channel Scanning Dual watchRemarks on voice communications Priority This page is intentionally left blank DSC Messages DSC Terminal Operational Overview Pos Ship’s position Channel Voice communication channelUTC Universal Time Coordination ACK RQ BQ LEDs Controls, LEDs Keyboard Basic Operation When blinking question mark appearsNormal display Selecting and registering items Preparing message for immediate transmission Preparing and Transmitting MessagesPrepare message and then transmit it Preparing and storing message for later transmission Key entry of VHF Status of FM-8500 during DSC Call Turning & Auto ACK on/off Auto AcknowledgeAuto function Manual functionPage Transmitting the distress call Distress call Distress communications Provide the following information to the coast station Manual Entry of Ship’s Position and Time Canceling manually entered dataEntering data manually Confirming Ships Position and Time Receiving Distress Alert from Other Ship Procedure when in area A1 CS and/or RCC? Progress? Yes Transmitting Dist ACK over CH16 After transmitting Dist ACK Transmitting Dist ACK Distress Relay ProcedureGeneral From previous Wait for relay ack This page is intentionally left blank DSC Communication General procedureTransmitting Individual Calls Prepare and transmit a message as follows Detailed procedure Select ROU Received Receiving Individual Call ACK RQ Setting of Able or Unable Receiving individual call message ACK RQ with Auto ACK On FM-8500 sends the ACK BQ signal automatically ACK BQ Receiving ACK RQ with Auto ACK Off From previous When changing communication mode Transmitting All Ships Calls When to use All Ships Call Place the cursor on ALL Press the ENT key Press the t key. To return to previous menu From previous Receiving All Ships Calls Procedure for on hook statusStatus of FM-8500 Procedure for off hook status Detailed procedure Select END and press the ENT key Page END Example You want to write over file saved under file number Writing Over Files Retrieving a file Retrieving, Transmitting FilesTransmitting a file Retrieving a transmit message Transmit/Receive Message MemoryPress the 9 Xmtd key at the normal display You can transmit a retrieved message as follows Transmitting retrieved message Retrieving a receive message Receive message memoryPress the 8 Rcvd key at normal display Select ORDINARY, then press the ENT key Selection of calling type Other Calling Types Telephone call semi-auto/auto call Individual call Refer toRefer to All ships call Refer to Polling call individual call Position request individual callMedical transport All ships call Neutral craft All ships call Making Telephone Calls Pstn Call Operation after making DSC call Receiving Telephone Call from Coast Station Registering Other Station IDs and Telephone Nos Retrieving This page is intentionally left blank Printer Setup Auto/Manual Other SettingsAutomatic printing Printing Timing of 4 key pressing Example Pringout Manual printing Example printout You can turn keyboard click response on or off as follows Turning Keyboard Click ON/OFF Aural Alarm Setup This page is intentionally left blank Confirming Own Ship’s ID System ConfirmationOverview Own Ship’s ID can be confirmed as follows At screen 1 previous page, select V and press the ENT key Confirming ROM Version At screen 1 on page 7-1, select RT and press the ENT key Confirming VHF Section Settings You can confirm VHF channels registered as follows Confirming VHF ChannelsAt screen 1, select CH and press the ENT key VHF channel status Confirming Tx Output Power This page is intentionally left blank Maintenance Maintenance & TroubleshootingTroubleshooting Antenna connectors Diagnostic Test Transmit Power NG This page is intentionally left blank General SpecificationsTransmitter DSC Section ReceiverProtocol M.689-2 10-1 Menu List 10-2 10-3 This page is intentionally left blank Page Page Load requirements as listner Input sentencesIsolation Input impedance Ohms Max. Voltage Threshold AP-4 GGA Global positioning system GPS fix data AP-5 GLL Geographic position latitude and longitude AP-6 RMA Recommended minimum navigation information Loran C data AP-7 Front panel ID number Power settingsNature of distress On hook VHF transceiver