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56 Northtstar Explorer VHF Series: 710US, 710EU Operation and Installation Manual
User MMSID
You must obtain a user MMSID (Marine Mobile Service Identity) and enter it into your 710 or 720 in order to
use the DSC functions. Contact the appropriate authorities in your country. If you are unsure who to contact,
consult your Northstar dealer. The user MMSID is a unique nine digit number, similiar to a personal telephone
number. It is used on marine transceivers that are capable of using DSC (Digital Select Calling).
You cannot make any DSC transmissions until you have obtained an MMSID and entered it into your 710
or 720.
Entering your user MMSID is ONCE ONLY operation.
1. Press and hold CALL/MENU to display the menu.
2. Press +CH- or rotate the knob to select DSC SETUP, then press ENT.
3. Press ENT to select USER MMSID. A dashed line appears.
4. Enter your user MMSID along the dashed line. Use an alphanumeric microphone or the +CH- key. Press
ENT to confi rm each correct entry.
If you make an error, press - until < is displayed, then press ENT to backup and correct the entry.
5. When your MMSID number is entered correctly, press ENT to store it.
6. You must re-enter your MMSID again as a password check, then press ENT to store it permanently.
You can view your stored MMSID anytime in the DSC SETUP screen.