Furuno USA Inc 9ZWFS2575 Manual Do Utilizador
3. DSC OVERVIEW
3-2
Contents of a DSC call
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Calling category
Call category
Call
DISTRESS
DISTRESS ALERT, DISTRESS RELAY AREA, DISTRESS RELAY
INDIVIDUAL
INDIVIDUAL
GENERAL
MEDICAL MSG, NEUTRAL MSG, INDIVIDUAL MSG, PSTN MSG, TEST
MSG, GROUP MSG, AREA MSG, POSITION MSG, POLLING MSG
MSG, GROUP MSG, AREA MSG, POSITION MSG, POLLING MSG
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Station ID (MMSI)
Your ship ID and sending station ID. Coast station ID begins with 00; Group ID begins
with 0.
with 0.
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Priority
Distress: Grave and imminent danger and request immediate assistance.
Urgency: A calling station has a very urgent call to transmit concerning safety of ship,
aircraft or other vehicle or safety of person.
Safety: A station is about to transmit a call containing an important navigational or
meteorological warning.
Routine: General calling
Urgency: A calling station has a very urgent call to transmit concerning safety of ship,
aircraft or other vehicle or safety of person.
Safety: A station is about to transmit a call containing an important navigational or
meteorological warning.
Routine: General calling
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Communication mode
TELEPHONE: Telephone (J3E) by SSB radiotelephone
NBDP-ARQ: Telex (J2B) mode ARQ via NBDP Terminal Unit
NBDP-FEC: Telex (J2B) mode FEC via NBDP Terminal Unit
DATA: Data communication by SSB (Routine individual only)
NBDP-ARQ: Telex (J2B) mode ARQ via NBDP Terminal Unit
NBDP-FEC: Telex (J2B) mode FEC via NBDP Terminal Unit
DATA: Data communication by SSB (Routine individual only)
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Communication frequency
Working frequency used to call by telephone, NBDP or DATA. The sending station may
have the receiving frequency (ship or coast station) assign the frequency to use.
have the receiving frequency (ship or coast station) assign the frequency to use.
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Position
Position can be automatically or manually sent.
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DSC frequency
DSC frequency to use. If the call priority is SAFETY, URGENCY and DISTRESS,
select a DSC distress frequency.
select a DSC distress frequency.
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End code
The end of a DSC call is denoted by RQ (Acknowledgement required), BQ
(Acknowledgement) or EOS (no acknowledgement required).
(Acknowledgement) or EOS (no acknowledgement required).