The IBS should provide functional integration meeting the
following requirements:
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.1 The functionality of the IBS should ensure
that its operation is at least as effective as for stand-alone equipment.
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.2 Continuously displayed information should be
reduced to the minimum necessary for safe operation of the ship. Supplementary
information should be readily accessible.
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.3 Where multifunction displays and controls are
used to perform functions necessary for safe operation of the ship
they should be duplicated and interchangeable.
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.4 It should be possible to display the complete
system configuration, the available configuration and the configuration
in use.
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.5 Each part to be integrated should provide details
of its operational status and the latency and validity of essential
information Means should be provided within the IBS to make use of
this information.
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.6 An alternative means of operation should be
provided for essential functions.
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.7 An alternative source of essential information
should be provided. The IBS should identify loss of either source.
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.8 The source of information (sensor, result of
calculation or manual input) should be displayed continuously or upon
request.