Lop(Line Of Position) - JRC JAN-701B Instruction Manual

3.22 LOP(Line Of Position)

This function displays LOP. This function can correct the position of the ship by using the distance or
the angle from the reference point.
1) Display "Create LOP" panel
In the normal menu
Select [MENU] - [(7) Main] - [(4) LOP] - [(1) Create LOP] in that order.
In the Table Editing menu, Graphic Editing menu
Select [MENU] - [(6) Main] - [(4) LOP] - [(1) Create LOP] in that order.
In the User Chart Editing menu
Select [MENU] - [(5) Main] - [(4) LOP] - [(1) Create LOP] in that order.
"Create LOP" panel opens and the cross cursor changes to the（
Set LOP:
LOP is fixed by set value. This button is invalid when LOP is over 3 lines.
Select Cross Point:
When two LOP (or TLP) or more is set, cross point position is displayed. "Select
Cross Point" panel is displayed when you left-click this button.
Create TPL (Transferred Line Of Position):
LOP being displayed now is made, and it moves parallel and TPL is made the ship
movement. see 3-120～122 "Example of ship position correction that uses TPL".
Close:
Close"Create LOP" panel.Made LOP doesn't disappear.
3 Basic Operation of ECDIS
Latitude, Longitude:
The starting position of LOP is specified. Default is
own ship position of point that displays the dialog.
The specification of the value is a left-click on the chart
screen. Or, value is input left-clicking a column of
Latitude/Longitude.
Type:
Type of LOP is selected and the value is input.
Bearing ...Azimuth and distance are specified turns
the [EBL] dial and changes the value.
Range ... Distance is specified turns the VRM dial
and changes the value..
value is input left-clicking a column of Bearing/Range.
Time:
Time is specified. Default is time. Value is input
left-clicking a column of Time.
3-128
） cursor.