8.3.1 Information provided by any radar output
interface to other systems should be in accordance with international
standardsfootnote.
8.3.2 The radar system should provide an output
of the display data for the voyage data recorder (VDR).
8.3.3 At least one normally closed contact (isolated)
should be provided for indicating failure of the radar.
8.3.4 The radar should have a bi-directional interface
to facilitate communication so that alarms from the radar can be transferred
to external systems and so that audible alarms from the radar can
be muted from external systems, the interface should comply with relevant
international standards.