Chapter 2: Operation
32
DSC calls
4. Elapsed time since the reception of a call request or an acknowledgement.
5. Session state:
•
(ACTIVE) — transmitter tuned into the communication channel.
•
(HOLD) — parked session.
6. Channel used for following communication (if any) when the session is
active.
Headline
Explanation
OWN DISTRESS
The ship is in own distress. See also
To send a
distress message
on page 24.
DISTRESS RX
You watch or participate in a distress communication
for another station in distress
RELAY calls
(numerous)
You watch or participate in a distress communication
for another station in distress
ALL SHIPS TX/RX
You have sent / received an all ships call
GROUP TX/RX
You have sent / received a group call
INDIVIDUAL
TX/RX
You have either sent a call request to a station to
establish contact, or another station has made a call
to you to establish contact. The call needs a reply.
TEST TX/RX
You either have sent a SAFETY TEST call or have
received a SAFETY TEST call from another station that
needs to be replied.
POSITION TX/RX
A position request was either sent or received.
Содержание sailor 6217
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Страница 58: ...Chapter 2 Operation 50 AIS on a connected chart plotter ...
Страница 62: ...Chapter 3 Installation 54 Installing the VHF radio Overhead mounting ...
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Страница 88: ...Appendix A Technical specifications 80 ...