iiWhen your ship requires assistance, contact other ships and the Coast Guard by sending a distress call using digi-tal selective calling on an emergency frequency.IN CASE OF EMERGENCYWhen immediate help is neededq Hold down [DISTRESS] for 5 seconds until theshort beeps become one long beep, to send thedistress call.w After the appropriate traffic frequency is automati-cally selected (after an acknowledgement call isreceived), hold down the PTT switch on the micro-phone and send the following information.1. “MAY DAY, MAY DAY, MAY DAY.”2. “THIS IS . . . . . . . . ” (name of ship)3. “LOCATED AT . . . ” (ship’s position)4. Give the reason for the distress call.5. Explain what assistance you need.6. Give additional information:• Ship type• Ship length• Ship color• Number of people on-boardWhen potential problems existq Push [DSC] to select DSC watch mode, if neces-sary.w Push [MODE set] to select DSC menu, rotate[CH] to select “All ships” then push [ENT].e Follow the guidance displayed on the LCD (bottomline), to set up the category, traffic frequency andcalling frequency with [CH], [ENT] and keypad.r Hold down [CANCEL/CALL] for 1 second until theshort beeps become one long beep.t After an acknowledgement call is received, trans-mit the appropriate information using voice.• DSC equipped ships may monitor your transmission.FOREWORD ������������� iIMPORTANT ������������� iEXPLICIT DEFINITIONS ������� iPRECAUTIONS ����������� iIN CASE OF EMERGENCY ������iiTABLE OF CONTENTS ��������iiQUICK REFERENCE ������� iii–vii■ How to set a Channel/Group ��� iii■ Audio output/squelch adjustment � iv■ Basic voice transmission and reception���������������� v■ Receiving a DSC �������� vi■ Transmitting a distress call ���� vi1 OPERATING RULES AND GUIDELINES�����������������12 PANEL DESCRIPTION ����� 2–7■ Front panel— Controller ������2■ Front panel— Main unit ������4■ Rear panel— Main unit ������5■ Microphone (HM-135)�������5■ LCD screen �����������63 SETTING A CHANNEL/FREQUENCY��������������� 8–9■ Selecting a channel �������84 RECEIVE AND TRANSMIT �� 10–12■ Basic voice transmit and receive � 10■ Functions for transmit ������ 10■ Functions for receive ������ 11■ CW operation ��������� 13■ FSK operation ��������� 135 CHANNEL NAME PROGRAMMING 146 DSC PREPARATION ����� 15–16■ MMSI code programming ���� 15■ Position and time programming � 167 CALL PROCEDURE ����� 17–38■ Distress call ���������� 17■ Distress call to ships ������ 21■ Urgency call ���������� 24■ Safety call ����������� 28■ Routine call ���������� 32■ Geographical call�������� 34■ Group call ����������� 36■ Position request call ������ 37■ Test call ������������ 388 WHEN RECEIVING A CALL � 39–44■ To receive a DSC call ������ 39■ Received information ������ 40■ Deleting a memory ������� 40■ Position request call ������ 41■ Distress call ���������� 41■ Distress relay call ������� 42■ Individual call ��������� 43■ Group call ����������� 44■ Geographical area call ����� 44■ Test call ������������ 449 MEMORY OPERATION ������ 45■ Memory description ������ 45■ Memory writing �������� 45■ Memory reading/transmitting/deleting��������������� 4510 DSC MENU OPERATION ��� 46–48■ General ������������ 46■ ID input ������������ 46■ Frequency input �������� 47■ Verifying self-ID �������� 48■ Memory reading/deleting ���� 4811 E-MAIL OPERATION ������� 49■ General ������������ 49■ Operation ����������� 4912 SET MODE ��������� 50 –54■ Quick set mode �������� 50■ Initial set mode��������� 5113 CONNECTION AND INSTALLATION�������������� 55–64■ Supplied accessories ������ 55■ Front panel connections ����� 55■ Rear panel connections ����� 56■ Ground connection ������� 57■ Power source ��������� 57■ Antenna������������ 58■ Mounting ����������� 59■ Using the optional MB-75 ���� 60■ Transceiver dimensions ����� 61■ Fuse replacement ������� 62■ Connector information ����� 6314 SPECIFICATIONS �������� 6515 OPTIONS ������������ 6616 TEMPLATE ��������� 67–70■ Remote controller (RC-25)���� 67■ Speaker (SP-24) �������� 69TABLE OF CONTENTS12345678910111213141516 Quick Reference