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3-12
TIDE VECTOR/COURSE PLOT SECTION
COURSE PLOT Display
The course plot display provides ship’s track of last 20 minutes (200 points, one point sampled
every 6 seconds). Event positions, stored by the
EVENT
key, are also plotted with “+” marks.
` Press the
COURCE
PLOT
key to call course plot display, and press the same key again to restore
previous display.
` To change display range (distance range) of course plot, press the
RANGE
key and set desired
‘DIST RANGE’ in the RANGE menu. (See page 4-10.)
` To clear event memory (marks), select ‘ERASE’ in MENU 1 - “EVENT” and then press the
EVENT
key.
Note: ` Capacity of ship’s position memory (for course plotting) is limited to 200 points. When
the position memory is fully occupied, the oldest position is erased as new one comes in.
` Position memory will erased when the power is turned off.
` Sampling interval of ship’s position is fixed to 6 seconds, and it can not be changed.
N
W
E
S
NW
NE
SW
SE
Ship’s track
(200 points max.)
Present position
Event marks
Positions memorized by
the key.
EVENT