27 Practical training, supported by appropriate
laboratory work, should be given in:
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.1 correct and efficient operation of all GMDSS
sub-systems and equipment under normal propagation conditions and
under typical interference conditions;
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.2 safe operation of all the GMDSS communication
equipment and ancillary devices, including safety precautions;
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.3 adequate and accurate keyboard skills for the
satisfactory exchange of communications;
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.4 operational techniques for:
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.4.1 receiver and transmitter adjustment for the
appropriate mode of operation, including digital selective calling
and direct-printing telegraphy;
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.4.2 antenna adjustment and realignment, as appropriate;
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.4.3 use of radio life-saving appliances; and
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.4.4 use of emergency position-indicating radio
beacons (EPIRBs);
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.5 antenna rigging, repair and maintenance, as
appropriate;
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.6 reading and understanding pictorial, logic
and module interconnection diagrams;
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.7 use and care of those tools and test instruments
necessary to carry out at-sea electronic maintenance at the level
of replacement of a unit or module;
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.8 basic manual soldering and desoldering techniques
and their limitations;
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.9 tracing and repair of faults to board/module
level;
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.10 recognition and correction of conditions contributing
to the fault occurring;
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.11 basic maintenance procedures, both preventive
and corrective, for all the GMDSS communication equipment and radionavigation
equipment; and
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.12 methods of alleviating electrical and electromagnetic
interference, such as bonding, shielding and bypassing.