Users Manual

xxv
Nature of Distress
Message code indicating type of distress
when a distress call is issued.
It contains types as below.
・ FIRE ...................... Fire, explosion
・ FLOODING ............ Flooding
・ COLLISION ............. Collision
・ GROUNDING .......... Grounding
・ LISTING ................... Risk of ship capsizing
・ SINKING .................. Sinking
・ DISABLED ............... Ship inoperable/adrift
・ UNDESIGNATED .... Undesignated distress
・ ABANDONING ........ Abandoning ship
・ PIRACY ATTACK ..... Piracy attack
・ MAN OVERBOARD . Man overboard
・ EPIRB EMISSION ...
DSC VHF EPIRB reception
Polling
Polling is a feature for routine calling.
It is used, for example, to confirm whether a
ship is existing within radio range when a
coast station requests navigational
information to the ship.
PSTN (Public Switched Telephone Network)
General fixed landline telephone network.
Reason
Message code indicating reason for negative
acknowledgement response.
・ NO REASON ......... No reason
・ CONGESTION ...... Maritime information
exchange center congested
・ BUSY ..................... Busy
・ QUEUE .................. Queued
・ BARRED ................ Station barred
・ NO OPER .............. No operator
・ TEMP NO OPER ... Temporarily no operator
・ EQP DISABLED .... Equipment disabled
・ UNABLE CH ..........
Indicated channel cannot be used
・ UNABLE MODE… . Indicated mode cannot be used
Subject
Message code clarifying communication
contents when sending an urgency call to all
ships.
When sailing dangerous waters, such as
political instability, these call messages with
the following information are used.
・ Neutral ship ........... In accordance with ITU
resolution 18 (Mob-83),
inform all ships that own
ship is of neutral nationality.
・ Medical TRNSP ..... Inform all ships that own
ship is performing medical
transportation, and is
protected under the 1949
Geneva Convention.
Type
Main contents of call message.
Normally, the 1
st
telecommand will be
indicated, but for a distress related call, it
may also take into account the Format and
the EOS. Displayed when message is
received, as well as in LOG.
・ ALL MODES RT ....... All F3E/G3E
radiotelephones
・ SEMI-DUPLEX RT ... Semi-Duplex F3E/G3E
radiotelephones
・ POLLING .................. Polling
・ DATA ........................ Data transmission
・ POSITION RQ .......... Ship position request
・ SHIP POSITION ....... Ship position notification
・ TEST ........................ Safety test call
・
UNABLE TO COMPLY .... Negative acknowledgement
・ DISTRESS ............... Distress message
・ DISTRESS ACK ....... Acknowledgement of
distress message
・ DISTRESS RELAY ... Distress relay message
・ DIST-RELAY ACK ..... Acknowledgement of
distress relay message
Work CH
Message code indicating a work channel to
communicate using radiotelephone.