Navigation Marks - Furuno FEA-2107 Operator's Manual

12. Navigation Tools
12.2

Navigation Marks

Navigation marks consist of Reference Point, EBL, VRM, Parallel Index and Range Rings. Two sets of these marks
are provided on the Nav. Marks dialog box, so that you can arrange each set according to a particular navigation
operation. To display the Nav. Marks dialog box, spin the thumbwheel to display Show Value/Info/Nav Marks in
the mouse functions area and then push the right mouse button.
Note: If you are using the Control Unit RCU-018, the EBLs and VRMs can also be turned on or off from the
keyboard.
12-2
Set 1 page
Centered reference point:
Use this to set center for own ship.
Ref. Pt:
Turn on/off the reference point on the electronic chart.
VRM:
Turn on/off the VRM (Variable Range Marker), which is displayed around the
reference point.
EBL:
Turn on/off EBL (Electronic Bearing Line), which extends from the reference point.
Parallel index:
Turn on/off the parallel index lines. The distance between the parallel index lines is
controlled by adjusting the VRM.
Rings:
Turn on/off the range rings, which circumscribes the reference point. The ring
interval depends on scale of displayed chart.
Info:
Turn on/off numerical information about VRM, EBL and reference point.
Set 2 page
Provides a second set of the items contained in Set 1.