2001 NEW
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When 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 EMERGENCY
When immediate help is needed
qHold down [DISTRESS] for 5 seconds until the
short beeps become one long beep, to send the
distress call.
wAfter the appropriate traffic frequency is automati-
cally selected (after an acknowledgement call is
received), 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:
•Shiptype
•Shiplength
•Shipcolor
•Numberofpeopleon-board
When potential problems exist
qPush [DSC] to select DSC watch mode, if neces-
sary.
wPush [MODE set] to select DSC menu, rotate
[CH] to select “All ships” then push [ENT].
eFollow the guidance displayed on the LCD (bottom
line), to set up the category, traffic frequency and
calling frequency with [CH], [ENT] and keypad.
rHold down [CANCEL/CALL] for 1 second until the
short beeps become one long beep.
tAfter an acknowledgement call is received, trans-
mit the appropriate information using voice.
•DSCequippedshipsmaymonitoryourtransmission.
FOREWORD������������� i
IMPORTANT ������������� i
EXPLICIT DEFINITIONS ������� i
PRECAUTIONS ����������� i
IN CASE OF EMERGENCY ������ii
TABLE OF CONTENTS ��������ii
QUICK 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���� vi
1 OPERATING RULES AND GUIDELINES
�����������������1
2 PANEL DESCRIPTION ����� 2–7
■Front panel— Controller������2
■Front panel— Main unit ������4
■Rear panel— Main unit ������5
■Microphone (HM-135)�������5
■LCD screen �����������6
3 SETTING A CHANNEL/FREQUENCY
��������������� 8–9
■Selecting a channel �������8
4 RECEIVE AND TRANSMIT �� 10–12
■Basic voice transmit and receive � 10
■Functions for transmit ������ 10
■Functions for receive ������ 11
■CW operation ��������� 13
■FSK operation ��������� 13
5 CHANNEL NAME PROGRAMMING 14
6 DSC PREPARATION ����� 15–16
■MMSI code programming ���� 15
■Position and time programming �16
7 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 ������������ 38
8 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 ������������ 44
9 MEMORY OPERATION ������ 45
■Memory description ������ 45
■Memory writing �������� 45
■Memory reading/transmitting/deleting
��������������� 45
10 DSC MENU OPERATION ��� 46–48
■General ������������ 46
■ID input ������������ 46
■Frequency input �������� 47
■Verifying self-ID �������� 48
■Memory reading/deleting ���� 48
11 E-MAIL OPERATION ������� 49
■General ������������ 49
■Operation ����������� 49
12 SET MODE ��������� 50–54
■Quick set mode �������� 50
■Initial set mode��������� 51
13 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 ����� 63
14 SPECIFICATIONS �������� 65
15 OPTIONS ������������ 66
16 TEMPLATE ��������� 67–70
■Remote controller (RC-25)���� 67
■Speaker (SP-24) �������� 69
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Quick Reference
