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3. DSC OVERVIEW
3-4
3.4 Interpreting Call Displays
This paragraph provides the information necessary for interpreting receive and send call
displays.
3.4.1 Receive calls
Below are sample distress and individual receive calls. The content of other types of
receive calls is similar to that of the individual call.
Distress receive call
*
Received message
*
MAR-11-2006-23:59
DISTRESS ALERT
ANSWER
SHIP ID IN DIST:
123456789
NATURE: UNDESIGNATED
POS:
12°34.5678N DIST: 5546nm
123°45.6789E AT 12:34
TELEPHONE
2182.0 kHz 10M10S
GO TO VIEW
ACKNOWLEDGEMENT REQUIRED
ERROR-CHECK: OK
DSC FREQ : 2187.5KHZ
View message
BACK TO RECEIVED VIEW
DISTRESS ALERT
SENDER-ID : 123456789
NATURE OF DISTRESS:
UNDESIGNATED DISTRESS
*
View message
Date and time of message
Call type
ID No. of ship in distress
Nature of Distress (Undesignated, Fire, Flooding,
Collision, Grounding, Listing, Sinking, Disabled,
Abandoning, Piracy, Man Overboard)
Position of ship in distress
Working frequency to use and communication type
Acknowledge type
Error check (OK or NG)
DSC frequency used to transmit distress call
Format (distress)
ID No. of ship in distress
Nature of distress
(problem with ship in distress, see above)
Distress coordinates (position of ship in distress)
Telecommand (class of emission)
Rotate ENTER knob
to switch.
Push ENTER knob
to switch.
DISTRESS COORDINATES:
12°34.5678N
123°45.5678E AT 12:34
COMMUNICATION MODE: TELEPHONE
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