Northrop Grumman Sperry Marine VisionMaster FT, User Manual

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Radar/Chart Radar User Guide Navigation Tools
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The following display options only apply when in anchor approach display:

Drop Bearing Object - a drop bearing object is an object that can
be observed at a planned bearing when ownship is correctly
positioned to drop anchor.

Drop Range Object - a drop range object is an object that can be
observed at a planned range when ownship is correctly positioned
to drop the anchor.

Head Bearing - the head bearing is the planned course to steer as
the ship approaches anchorage.

Inner Range Rings - the inner range rings are rendered between
the letting go circle and the inner most outer range circle. The
spacing between the inner rings may be changed in the Range
Rings `Inner Interval' field, see Planning.

Letting Go Circle - the letting go circle is represented as a dotted
line, centred at the Anchor Point, which provides a visual indication
of when to drop anchor. The radius of the letting go circle is equal
to the distance from the CCRP to the hawsepipe.

Outer Range Rings - the outer range rings are rendered and
labelled at regular intervals from the letting go circle to the starting
position of the head bearing line. The spacing between the outer
rings may be changed in the Range Rings `Outer Interval' field, see
Planning.
Anchoring Planning includes an illustration of the anchor approach display.