Furuno FCR-2107 Series Operator's Manual page 237

General page
Ship Outlines:
True outline shown if
(Beam width>6mm / Length>6mm), you can set whether width or length is
used to set limit for displaying true symbol.
AIS outlines: Choose if AIS symbol is shown with outlines if .
Velocity Vector
Time Increments:
Choose OFF or ON to hide or show ticks of velocity vector.
Note, that this controls both own ship and targets ticks. If ticks will be
too tightly spaced, they will be automatically removed from display,
until spacing between ticks will be enough to distinguish them
separately. This depends on display scale and speed of vessel/target.
Radar Antenna:
Choose if position of radar antenna is displayed with symbol x.
7. Vector Chart Material
7-65