Raytheon Pathfinder ECDIS, Operator'S Manual

Page: 292 / 370

Operator Manual
9 − 10
3655DOC020102 Edition: 30.MAR.2007
9.1.6
Line Of Position
The Lines Of Position (LOP) feature is provided as an aid to the Navigator
(terrestrial navigation):
S
To determine ship’s location when forced to operate in the Dead Reckoning
mode (DR)
S
As a visual check of the Ship’s electronic positioning systems.
This feature is implemented to emulate the functionality and symbols used
on paper charts.
This feature is implemented to emulate the functionality and symbols used on
paper charts.
Procedure: (e.g. LOP Type Linear)
Step 1 Select Line Of Position from the Nav Tools menu.
The dialog box appears.
Step 2 Select LOP Type Linear
Step 3 Place the Cursor over the selected Nav Aid and press [Enter].
The
Latitude / Longitude values will appear in the Reference Position
boxes.
Step 4 Enter the sighted bearing (see Status BarCursor or Bearing Compass)
click on the
ACCEPT button
The LOP Line appears with the Set Time of the line.
Step 5 Repeat this process for as many Nav Aids as desired.
Observe the LOPs’ point of intersection to determine Own Ship’s
position.