12. Navigation Tools
12.2.4
Shifting the reference point
The reference point, shown on the display with a cross mark (if turned on in the Nav Marks dialog box), is a
specified location to which measurements of range and bearing are referred. To choose the location for the reference
point, open the Nav. Marks dialog box, check Ref. Pt, place the cursor at the location desired and then push the right
mouse button.
North Up TM
ECDIS only
Centered reference point with Variable Range Marker (VRM) and Electronic Bearing Line (EBL)
North Up TM
ECDIS only
Reference point off centered with Variable Range Marker (VRM) and Electronic Bearing Line (EBL)
12-4
HDG
070.0°
SPD
1.8
(CALC)
Kt
SB
1.7
(POSN)
Kt
COG
(POSN)
045.1°
SOG
(POSN)
2.0
Kt
Past Posn true
HDG
070.0°
SPD
(CALC)
1.8
Kt
SB
(POSN)
1.7
Kt
COG
(POSN)
045.1°
SOG
(POSN)
2.0
Kt
Past Posn true