Northrop Grumman Sperry Marine VisionMaster FT, Руководство пользователя

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Radar/Chart Radar User Guide Targets
65900010 10-19
Target Data
The Target Data tab folder shows the following
tracking data on a selected target:

Range - the distance of the target from
own ship's CCRP.

True Bearing - the true bearing of the
target from own ship's CCRP.

CPA -the CPA of the target from own
ship's CCRP

TCPA - the TCPA of the target from
own ship's CCRP

BCR - the BCR of the target from own
ship's bow

BCT - the BCT of the target from own ship's bow
If the system is in water stabilised mode (see Sensor Data Display) the
following two fields are shown:

CSE - the true CSE of target

STW - the true STW of target
If the system is in ground stabilised mode the following two fields are
shown:

COG - the true COG of target

SOG - the true SOG of target
If a tracked target is not established only the target number or name, range
and true bearing are displayed.
If the target approach point has passed, the CPA field continues to show
the actual CPA value and the passing point is indicated by a TCPA with a
minus value.
The BCR and BCT are only shown if both the crossing time and the
distance are positive, i.e. a target is projected to cross own ship's bow but
has not yet done so. If the target is NOT projected to cross own ship's bow
then both fields are shown as dashed (--.-).
If a target is lost or if a valid heading or speed for own ship is not available
then any invalid target data, except the target number/name and its type, is
shown in an orange warning colour. If the target is subsequently found or
heading/speed becomes valid, the data reverts to its normal system colour.