Jeppesen Marine Workboat Navigator 1.3 - Manual (Page 30)

22
Jeppesen Workboat Navigator User’s Guide
4
-
T
h
e
S
y
s
te
m
M
e
n
u
Stern Flash Line
Heading Line
Figure 4.2 - Heading Line/Stern Flash Line
Predicted Position. Use this drop-down menu to select the amount of time you
want represented by the COG vector and the boat outline. The following fields are
affected by this setting:
Show COG vector
Show With Boat Outline
Show COG Vector. The COG Vector is an arrow that extends from the GPS
transmitted position. Its length is determined by combining the SOG and predicted
position time. Predicted position time will be indicated by hash marks in one minute
intervals. The direction of the vector is based on the GPS position. Default setting
for this option is On.
COG vector
Boat outline
Figure 4.3 - COG Vector
Show With Boat Outline. Place a check-mark in this check box to display an
outline of the boat on the chart using the time entered in the predicted position.
The outline includes rate of turn and may indicate a different position than the COG
vector. The default setting is for this option is Off.
Show Port/Starboard extensions. This check box turns on or off the display of the
port and starboard side extension lines. Default setting for this option is Off.
Show VRM 1/VRM 2 with radius. The Variable Range Marker (VRM) is a range
ring or series of rings that surround the boat. VRM are normally used to measure
distances to targets.
•
•