4 Northstar Explorer VHF Series: 721/725 Operation and Installation Manual Northstar Explorer VHF Series: 721/725 Operation and Installation Manual
4-5 Response to Individual Calls (INDIV REPLY) (US only) ................................30
4-6 ATIS MMSI & ATIS Functionality (EU only) ............................................30
4-7 DSC Functionality (DSC FUNC) ...................................................31
4-8 Response Type to LL Polling Calls (LL REPLY) .....................................31
4-9 Mute the Notification Ringtone ..................................................31
Section 5 - Send and Receive DSC Calls ..................................................................................................... 32
5-1 The DSC CALL Menu Options ....................................................32
5-2 Call an Individual (INDIVIDUAL) ..................................................33
5-3 Call the Most Recent Caller (LAST CALL) .........................................34
5-4 Call a Group (GROUP) ............................................................34
5-5 Call All Ships (ALL SHIPS) .........................................................34
5-6 Call using the Call Log (CALL LOG) ...............................................35
5-7 Call using the Distress Log (DIST LOG) ...........................................35
5-8 Request the LL Position of a Buddy (LL REQUEST) ................................36
5-9 Track Your Buddy (TRACK BUDDY) ...............................................36
5-10 Receive an All Ships Call (RCV: ALL SHIP) ........................................38
5-11 Receive an Individual Call (RCV: INDIV) .........................................38
5-12 Receive a Group Call (RCV: GROUP) .............................................39
5-13 Receive a Geographic Call (RCV: GEOGRAPH) ...................................39
5-14 Receive a Polled Position Call (RCV:POSITION) ..................................39
Section 6 - Distress Calls .......................................................................................................................... 40
6-1 Send a Distress Call .............................................................40
6-2 Receive a Distress Acknowledgement (DISTRESS ACK) ...........................40
6-3 Receive a Distress Call (RCV: DISTRESS) ..........................................41
6-4 Receive a Distress Relay (RCV: DISTRESS RELAY) .................................41
6-5 Relay a Distress Call from the Distress Log (RELAY) ..............................41
Appendix A - Technical Specifications ...................................................................................................... 42
Northstar Explorer 721/725US and 721/725EU .......................................42
Appendix B - Troubleshooting .................................................................................................................44
Appendix C - VHF Marine Channel Charts ................................................................................................. 45
Appendix D - EU Inland Waterway Channels ........................................................................................... 52
Appendix E - MMSI and License Information ............................................................................................56
E-1 Obtain Your User MMSI number .................................................56
E-2 Enter Your User MMSI ...........................................................56
E-3 License Information .............................................................56
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