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Link-6S User Guide
Notes on MMSI and DSC
The user MMSI (Marine Mobile Service Identity) is a unique nine
digit number. It is used on marine transceivers that are capable of
using DSC (Digital Selective Calling). Digital Selective Calling offers
significant safety and convenience advantages over older VHF radios
without this functionality.
¼
Note:
many countries do not have radio repeaters that support DSC
message relaying. However DSC can still be useful for direct ship-to-
ship communication, where the other vessel is also equiped with a
DSC capable radio.
You must obtain a user MMSI and enter it into your radio in order to
use the DSC functions. Contact the appropriate authorities in your
country to obtain an MMSI number - charges may apply. If you are
unsure who to contact, consult your Lowrance dealer.
¼
Note:
DSC distress calls generated by this radio are limited to the
same range restrictions that apply to regular VHF transmissions. The
vessel sending a distress can only rely upon DSC if within range of a
GMDSS Coast Radio Station. Typical VHF range may be about 20NM,
though this varies greatly depending upon installation, antenna
type, meteorological conditions, etc.
About this manual
This manual is a reference guide for installing and operating a
Link-6S VHF radio. Important text that requires special attention
from the reader is emphasized as follows:
¼
Note:
Used to draw the reader’s attention to a comment or some
important information.
Warning:
Used when it is necessary to warn personnel that
they should proceed carefully to prevent risk of injury and/or
damage to equipment/personnel.
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Summary of Contents for Link-6S
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