TABLE OF CONTENTS
viii
3.4.2 Send calls....................................................................................................... 3-5
4. DISTRESS OPERATIONS ............................................................................4-1
4.1 Sending Distress Alert............................................................................................... 4-1
4.1.1 Sending distress alert by DISTRESS button, nature of distress not specified . 4-2
4.1.2 Sending distress alert by DISTRESS button, nature of distress specified....... 4-4
4.2 Receiving a Distress Alert..........................................................................................4-7
4.2.1 Distress alert received on MF band................................................................. 4-7
4.2.2 Distress alert received on HF band................................................................4-10
4.3 Sending Distress Relay on Behalf of a Ship in Distress............................................4-14
4.3.1 Sending distress relay to coast station...........................................................4-14
4.3.2 Sending distress relay to area ships..............................................................4-18
4.4 Receiving Distress Relay from Coast Station............................................................4-21
4.5 Cancelling Distress Call ...........................................................................................4-21
5. RoutINE MESSAGE CALLING, RECEIVING............................................... 5-1
5.1 Individual Call............................................................................................................ 5-1
5.1.1 Sending an individual call................................................................................5-1
5.1.2 Receiving an individual call............................................................................. 5-7
5.2 Group Call................................................................................................................5-12
5.2.1 Sending a group call......................................................................................5-12
5.2.2 Receiving a group call....................................................................................5-14
5.3 Geographical Area Call ............................................................................................5-15
5.3.1 Sending a geographical area call...................................................................5-16
5.3.2 Receiving a geographical area call................................................................5-17
5.4 Neutral Craft Call......................................................................................................5-19
5.4.1 Sending a neutral craft call.............................................................................5-19
5.4.2 Receiving a neutral craft call..........................................................................5-20
5.5 Medical Transport Call..............................................................................................5-21
5.5.1 Sending a medical transport call....................................................................5-21
5.5.2 Receiving a medical transport call..................................................................5-23
5.6 Receiving a Polling Request.....................................................................................5-24
5.6.1 Automatic reply..............................................................................................5-24
5.6.3 Manual reply..................................................................................................5-25
5.7 Position Call.............................................................................................................5-26
5.7.1 Requesting other ship’s position....................................................................5-26
5.7.2 Position call: other ship requests your position...............................................5-28
5.8 PSTN Call................................................................................................................5-30
5.8.1 Sending a PSTN call, receiving acknowledge back (ACK BQ).......................5-30
5.8.2 Receiving a PSTN call, sending acknowledge back (ACK BQ)......................5-33
5.8.3 PSTN call disconnection, receiving charge information
(ship disconnects line)....................................................................................5-35
5.8.4 PSTN call disconnection, receiving charge information
(coast station disconnects line)......................................................................5-36
5.9 Log File....................................................................................................................5-36
5.9.1 Opening a log file...........................................................................................5-36
5.9.2 Deleting log files............................................................................................5-37