Thrane&Thrane SAILOR 6222, Руководство пользователя

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Chapter 2: Operation
DSC calls 29
22222
Operation
established call (e.g. an individual call request followed by an
acknowledgement).
A session can be either active or on hold. The active session has control over
the radio transmitter. A session can have a purpose. For example if the
purpose is to establish a communication on a working channel.
The non-DSC VHF communication is considered as a session that can be active
(engaged) or on hold (dis-engaged). See also
Engagement status on page 18.
Display for a session
In the DSC window the type of
session, the current state,
MMSI number of the other
party and elapsed time since
the reception of a call request
or an acknowledgment is
shown.
The session state icons, in the
example
and R, show the state of the session:
• ACTIVE — inverted, transmitter tuned into the communication channel
in the example
, a DSC Routine call).
• HOLD — normal view, parked session (in the example , VHF voice
communication.
For more information on the session state icons see Session state icons on
page 34.
The DSC Session line can be one of the following:
Session line Explanation
OWN DISTRESS The ship is in own distress. See also To send a
distress message on page 21.
DISTRESS RX You watch or participate in a distress
communication for another station in distress
QUIT
RESEND
MORE
INT
INTERSHIP/PORT
INDIVIDUAL RX
LINK FOR COM: 0:00:19
TO: 123456789
R
Session state
Session line
Session status