Furuno FR-10, Operator'S Manual

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2. OPERATION
2-18
2. Press  or  to select [Others], then press the ENTER key.
3. Press

or

to select [PI LINES], then press the ENTER key.
4. Press

or

to select [Off], [2], [3] or [6] then press the ENTER key
5. Press the MENU key to close the menu.
2.15.2 How to change the PI line orientation
PI lines orientation can be selected from parallel or perpendicular. This function is-
available when [PI LINES] menu is set to other than [1].
1. Press the MENU key to open the menu.
2. Press

or

to select [Others], then press the ENTER key.
3. Press

or

to select [PI LINES], then press the ENTER key.
4. Press

or

to select [Parallel] or [Perpendicular] then press the ENTER key
5. Press the MENU key to close the menu.
2.16 How to Temporarily Erase the Heading Line
The heading line is a line from your ship position to the outer edge of the radar display
area, and indicates the heading of your ship in all display modes. The heading line ap-
pears at zero degrees on the bearing scale in head up mode. The heading line chang-
es the orientation depending on the ship orientation in north up and true motion modes
and when the course is changed in the course up mode.
In some cases, the heading line may hide a object. To erase the heading line to view
an object hidden by the line, press the
CANCEL/HL OFF key. The heading line, range
rings, TT/AIS symbols, marks and chart overlay are temporarily erased. Release the
key to show the line and rings again.
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