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Lowrance - LHR-80 Installation and Operation Instructions 5
Section 5 - Sending and Receiving DSC Calls (US only) ..................................48
5-1 What is DSC? ....................................................................................................................................48
5-1-1 Maritime Mobile Service Identity ........................................................................................................48
5-1-2 How can I obtain a MMSI assignment? ...........................................................................................48
5-2 DSC Call Types .................................................................................................................................49
5-2-1 Send an Individual call ...............................................................................................................................50
5-3 Send a Group Call............................................................................................................................51
5-4 Send an All Ships call .....................................................................................................................51
5-5 Reply to a call in your Call Log ...................................................................................................52
5-6 Reply to a call in your Distress Log ...........................................................................................53
5-7 Reply to the Last Call.....................................................................................................................54
5-8 Request the LL position of a buddy (LL Request) ...............................................................55
5-9 Track Your Buddy (Track Buddy) ................................................................................................55
5-9-1 Add or Delete a Buddy (Buddy List) ..................................................................................................55
5-9-2 Select your want track’s buddy ............................................................................................................56
5-9-3 Set the time interval of tracking ..........................................................................................................56
5-9-4 Start Tracking ...................................................................................................................................................56
5-10 Receive an All Ships call .............................................................................................................57
5-11 Receive a Group call ....................................................................................................................57
5-12 Reply to an LL position request ...............................................................................................58
5-12-1 Manually reply to an LL Request .......................................................................................................58
5-12-2 Automatically reply to an LL position request .........................................................................58
5-12-3 Do not reply to an LL position request .........................................................................................59
5-13 Receive an individual call...........................................................................................................59
5-14 Receive a Polled Position Call ...................................................................................................59
Section 6 - Distress Calls (US only) ..................................................................60
6-1 Send a Distress Call .........................................................................................................................60
6-2 Receive a Distress Call ...................................................................................................................61
6-3 Receive a Distress Relay Call ........................................................................................................61
6-4 Receive Distress Acknowledgement (DISTRESS ACK) .......................................................62
6-5 Relay a Distress Call from the Distress LOG (RELAY) ..........................................................62
Appendix A - Technical Specifications ............................................................64
A-1 General: ..................................................................................................................................................................64
A-2 Receiver: ................................................................................................................................................................64
A-3 Transmitter: .........................................................................................................................................................65
A-4 GPS and Navigation:.......................................................................................................................................65