DSC Overview, What is DSC?, DSC Call | Sony FS-2570, FS-1570

3DSC OVERVIEW

3.1 What is DSC?

DSC is an acronym meaning Digital Selective Calling. It is a digital distress and general calling system in the MF and HF bands used by ships for transmitting distress alerts and general calls and by coast stations for transmitting the associated acknowledgements.

For DSC distress and safety calling in the MF and HF bands, the frequencies are (kHz) 2187.5, 4207.5, 6312.0, 8414.5, 12577.0, and 16804.5.

The DSC station sends and receives DSC general and safety calls via the radiotelephone.

Distress Frequency

Routine DSC Call

Option

(FS-2570

only)

TRANSCEIVER

UNIT

FS-1570T

FS-2570T

Distress alert, routince DSC call

Routine DSC Calls

CONTROL UNIT

FS-2570C

3.2 DSC Call

DSC calls are roughly divided in two categories: distress and safety calls, and routine calls. Below are the types of DSC calls.

Call	Description
All Ships	Call to all ships

Distress	Your ship sends distress call

Distress relay all	Your ship relays distress call to all ships

Distress relay select	Your ship relays distress call to a coast station

Geographical Area	Call to all ships in a specific geographical area
Group	Call to a specific group

Individual	Call to a specific address

Medical Transport	Inform all ships that your ship is carrying medical supplies
Neutral Craft	Inform all ships that your ship is not a participant in armed conflict

Polling	Call to determine if own ship is in communicating range with other
	ship

Position	1) You send your position to other stations
	2) Your ship requests position of other station
PSTN	Call over Public Switched Telephone Network (PSTN)

Test	Send test signal to a coast station to test your station’s functionality

3-1

offered by Busse-Yachtshop.de

email: info@busse-yachtshop.de

Image 41

Sony FS-2570 DSC Overview, What is DSC?, DSC Call, Call Description, Call over Public Switched Telephone Network Pstn

Contents

SSB Radiotelephone 00080933800 Distress Alert Calling Procedure Safety Instructions Iii Table of Contents Sending Distress Alert DSC Overview DSC/WATCH Receiver Setup Nbdp Preparations Vii Viii General FeaturesForeword DSC/watch receiver Program NumberNbdp with optional Nbdp Terminal Unit IB-581/IB-583 PC Board Program No On Display Remarks FS-2570 250 W System Configuration Xii FS-1570 150 W FS-1570/2570 Specifications of SSB Radiotelephone DSC/WATCH Keeping Receiver Digital Selective Calling IB-581 IB-583 Interface Operational Overview Power switch Turns the power on/offControlsFURUNO Description of controls Panel Dimmer, LCD Contrast Turning the Power On/Off DSC standby screen IndicationsRadiotelephone screen DSC standby screen Automatic Acknowledge On/Off LoudspeakerScanning Routine DSC Frequencies Manual Entry of Position and Time After last digit Automatic setting of working frequency System CharacteristicsEquipment priority Controls become inoperative Power supply units Power Supply Unit optionAC and DC power switches Choosing class of emission SSB RadiotelephoneTransmitting Choosing channel Choosing channel, frequencyChoosing band and band channel with the Enter knob Rotate the Enter knob to set band or channel desired Choosing frequency TuningEnter frequency by one of the methods below Entering frequency with the numeric keys Monitoring transceiver output power Using the handset Displaying IA, IC, VC or RF Reducing transmitter power Receiving RF gain sensitivity adjustmentMeter Monitoring traffic on intended transmit frequency Noise blanker Squelch control, squelch frequencySquelch on/off Squelch frequency Telex Communications Intercom Replace the cover Turn on the control unit When Automatic Tuning Fails Registering user channels User ChannelsWindow shown below appears Entry is selected push the Enter knob Channels may be registered Press the Cancel key to close the menu FAX Enable/DisableDeleting user channels Deleting individual user channels Speaker Setting in Off Hook This page intentionally left blank Call over Public Switched Telephone Network Pstn What is DSC?DSC Overview DSC Call Contents of a DSC call Case of Accidental Trans Mission of the Distress Alert Distress alert call and reply Basic procedure radiotelephone Audio AlarmsAlarm Frequency interval Individual call Distress receive call Interpreting Call DisplaysReceive calls Received message Individual receive call Individual send call Send callsDistress send call This page intentionally left blank Russian version Distress OperationsSending Distress Alert Distress Operations Rotate Enter knob to scroll Push the Enter knob to open the time input window Push the Enter knob to open the Input Type menu Compose Communicating by Nbdp Terminal Unit Receiving a Distress Alert Action for ship receiving distress alert on MF band Distress alert received on MF band Compose message Distress acknowledge call in progress Distress alert received on HF band Sending the distress relay to coast station on HF band Action for ships receiving distress alert on HF band Compose message Push the Enter knob to open the DSC FREQ. menu Distress relay sel call in progress Category distress transmit sure? Sending distress relay to coast station Sending Distress Relay on Behalf of a Ship in Distress Push the Enter knob to open the Nature menu Compose message ID in Dist No Info Nature Sinking Communicate with the coast station Sending distress relay to all ships Ship in distress and time, manually or automatically Push the Enter knob to open the Nature menu Distress relay all call in progress Receiving Distress Relay from Coast Station Receiving Distress Relay All Ships This page intentionally left blank Sending an all ships call CALLING, ReceivingAll Ships Call CALLING, Receiving Sending message by Nbdp Terminal Unit Receiving an all ships call Sending an individual call Individual Call NBDP-ARQ Routine or ships business priority How to Set Working Frequency, Channel How to Set DSC Frequency Press Call key for forced transmission No response! Try calling again? Able acknowledge call receivedUnable acknowledge call received Can send acknowledge Can send Unable Automatically Setting ACQ /SQ key Sending automatic acknowledge ACK BQ with comply type Unable Manually acknowledging individual call with Able Call Type Able Acknowledgement Manually acknowledging individual call with Unable Display changes as below Compose message Group CallSending a group call MHZ Priority Routine COM. Type Telephone COM. Freq Receiving message by Nbdp Terminal Unit Receiving a group call Sending a geographical area call Geographical Area Call ↓ 10 → Area 34 N 140 W ↓ 10 → Receiving a geographical area call Sending a neutral craft call Neutral Craft Call Sending message by Nbdp Terminal Unit Receiving a neutral craft call Sending a medical transport call Medical Transport Call Receiving a medical transport call Sending a polling call Polling Call Call Type Station ID Polling acknowledge call received Automatic reply Receiving a polling call After the call is sent the DSC standby screen appears Manual reply Sending own ships position to other station Position CallFinding position of other station Position call requesting other ship’s position Pos acknowledge call received Automatic reply Position call other ship requests your positionAcknowledge call received Manual reply Sending a Pstn call, receiving acknowledge back ACK BQ Pstn Call Push the Enter knob to open the TEL NO. menu Compose message Then, one of the following displays appears Waiting for acknowledgement Unable acknowledge call received Receiving a Pstn call, sending acknowledge back ACK BQ Shortly thereafter, one of the following messages appears Charge Information Charge Time 00H 12M 34S Opening a log file To view the contents of a file, do the followingLog File Erasing Message Files Preparing Individual Calls Preparing TX Calls NBDP-FEC COM. Freq No Info DSC Freq Enter file name and number as shown on the next How to Enter File Name and Number Preparing Group Calls Preparing Geographical Area Calls Call Type GROUP6CALL Preparing Pstn Calls Preparing Test Calls Editing before sending Sending Prepared CallsSending without modification Printing List of Send Message Files Deleting Send Message Files Setting Alarms DSC/WATCH Receiver Setup Can send acknowledge Can send Unable manually Manually Auto Ack Menu Sample printouts Printing Messages Routine frequencies Setting Scan FrequenciesDistress frequencies Local channels International channelsDistress channels Volume setup Adjusting Volume Nbdp terminal unit, printer and keyboard Nbdp System OverviewTurning on the Nbdp System Description of Equipment Features of the IB-583Terminal unit Communication status display Keyboard Keyboard Menu conventions Function Keys, Menu OperationInverse video Underline Selecting menus Menu overviewFile menu Selecting menu items and options Function key description Undo Edit menuCut Copy Timer Operation Cancel SendingFunction key F3 Operate menu Call Station Function key F4 Window menu Setting with ← or → keyWindow menu Displays desired calendar month and year. To change Select ID Entry Function key F5 Station menuGroup ID Entry Slave Delay SetupFunction key F6 System menu TX/RX MSG Save Cursor is choosing Window Color Setup press the Enter key Registering Answerback Code & ID Codes Nbdp PreparationsRegistering answerback code Answerback code entry screen Registering ID codes Station ListMessage for confirmation of code entered ID code screen Station entry screen Registering stations Scanning group list OK/Cancel promptEditing/Deleting stations Timer operation entry screen Timer ProgrammingRegistering timer programs User channel entry screen Editing/Deleting timer programs Editing/Deleting user channels Scan Channel GroupsRegistering scan channel groups To quit, press the Esc key Editing channels Editing/Deleting scan channel groupsAdding channels Deleting channels Opening and Closing Files Nbdp File OperationsCreating Files 10-1 Type your message 10-2 10-3 Saving a FileFormatting floppy disks Close text screen Saving a file10-4 Cutting and pasting text Editing Files10-5 Cutting text Select all Copying and pasting textSearching text 10-6 Goto line Replacing text10-7 Replace screen Opening Files Switching between filesGoto top, Goto bottom Opening a file Saving a File Under a New Name Renaming FilesDeleting Files Real Time Printing 10-10 Printing Files Manual Calling Nbdp TRANSMITTING, Receiving11-1 Press the 9 key to choose Set Frequency Manual calling screen 11-2 11-3 ARQ Mode OperationEstablishing connection Press the 1 key to choose Call Station Transmit message by one of the following methods 11-4Sending a file stored on a floppy disk Send file screen Choosing Receive Mode FEC Mode Operation11-5 Stopping transmission Communications example Communication Example11-6 Table of abbreviations 11-7 Enabling timer operation Timer OperationCommand and abbreviation Timer operation list 11-9 Stopping timer operationScanning Preparing Macrofiles for Automatic Telex Communication BufferAutomatic telex overview 11-10 11-11 PreparationsRegistering answerback code Registering scan groups Command Parameter Content CommandsCommands processed by Danish coast station Lyngby Command Function 11-13 Actual procedure for store-and-forward telexStore-and-forward method Close text prompt 11-14Sample macrofile for store-and-forward method 11-15 Dirtlx macrofilePress the Enter key and enter a file name as follows Sample Dirtlx macrofile 11-16 Procedure for Dirtlx Basic procedure Automatic Telex using MacrofileActual procedure 11-17 Press the ↓ key to choose a macrofile Press the Enter key 11-18Call macro screen 12-1 Maintenance & TroubleshootingDaily Test 12-2 Radiotelephone TestAntenna Coupler Test Maintenance check points Maintenance12-3 Check Point Remedy/Remarks Unit Fuse Replacement of Fuses12-4 Error Messages Simple TroubleshootingProblem Probable cause Remedy Error message Meaning Remedy WR1, WR2 PLL unlock Check if the reference oscillator is 12-6 12-7 Test Call 12-8 Cleaning the equipment Nbdp Terminal Unit MaintenanceConnectors and earth connection Floppy disk drive General diagnostics Diagnostics12-10 Press the function key F6 to display the System menu Tone test 12-11Tone test menu Tone test 12-12 Menu Tree AppendixDSC/watch receiver AP-1 AP-2 Radiotelephone AP-3 Nbdp terminal unit telex DSC frequency table Frequency TablesAP-4 TX kHz RX kHz Remarks File Name AP-5 Custom channels to be programmed by Furuno dealers AP-6 MF band working carrier frequencies ref. US CFR 47 Part AP-7 MF band SSB working carrier frequencies AP-8 MHz ITU SSB carrier frequencies ITU RR Appendix AP-9 AP-10 12/16 ITU SSB carrier frequencies ITU RR Appendix AP-11 18/19, 22, 25/26 ITU SSB carrier frequencies ITU RR Appendix AP-12 MF band telex frequency table ITU Telex frequency /4 AP-13 Frequency /4 AP-14 AP-15 ITU Telex Frequency /4 AP-16 AP-17 Telex Abbreviations O Sentences Digital Interface IECAP-18 Input sentences IEC ZDA Time and date AP-19GLL Geographic position latitude/longitude RMA Recommended minimum specific LORAN-C data AP-20 RMC Recommended minimum specific GPS/TRANSIT data AP-21 AP-22 Schematic diagram AP-23 Parts ListControl unit FS-1570/2570 Model FS-1570/2570 Unit Model FS-1570T Unit AP-24Transceiver unit FS-1570T Model FS-2570T Unit AP-25Transceiver unit FS-2570T AP-26 Parts LocationTransceiver unit FS-2570T AP-27 Transceiver unit FS-1570T AP-28 Control unit FS-2570C IN-1 Index Index IN-2 Offered by Busse-Yachtshop.de Email info@busse-yachtshop.de Offered by Busse-Yachtshop.de Email info@busse-yachtshop.de