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3. PLOTTER OPERATION
3-21
3.6.4 Track plotting method and interval for own ship track
In drawing the own ship track, first the ship’s position fed from a navigation
receiver is stored into the unit’s memory at an interval of time or distance. A
shorter interval provides for better reconstruction of the track, but the storage
time of the track is reduced. When the track memory becomes full, the oldest
track is erased to make room for the latest.
Track plotting method
Track may be plotted by time or distance interval. The default setting is “time.”
1. Press the [MENU] key followed by the CHART SETUP and TRACKS &
MARKS CONTROL soft keys to open the TRACK CONTROL menu.
2. Use the cursor pad to select INTERVAL.
3. Press the EDIT soft key to display the plot window.
INTERVAL
▲
TIME
DISTANCE
▼
Plot window
4. Use the cursor pad to select TIME or DISTANCE as appropriate. Distance is
useful for conserving track memory, since no track is recorded when the boat
is stationary.
5. Press the ENTER soft key.
6. Press the [MENU] key to close the menu.
Track plotting interval
1. Press the [MENU] key followed by the CHART SETUP and TRACKS &
MARKS CONTROL soft keys to open the TRACK CONTROL menu.
2. Use the cursor pad to select TIME INTERVAL or DISTANCE INTERVAL as
appropriate.
3. Press the EDIT soft key to display the time or distance interval window,
depending on what you selected at step 2.
TIME INTERVAL
00m10s
(When selecting TIME INTERVAL.)
DISTANCE INTERVAL
00.10nm
(When selecting DISTANCE INTERVAL.)
Setting range: 0 min 01 sec (continuous) - 99 min 59 sec
Default setting: 10 sec
Setting range: 00.01 nm (continuous) - 99.99 nm (km, sm)
Default setting: 0.1 nm
Interval windows