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Note: Waypoints are automatically switched when own ship is either 1/2 of
12. Press the [NAV MENU] key to close the menu.
Note: To display the nav line by using the external data, IEC 61162-1 data
sentence BWR, BWC, RMB, or WPL is required. The order of priority is
BWR>BWC>RMB>WPL. In case of simultaneous input BWR has priority.
To use BWR, BWC, RMB for waypoint sentences, set
NAV LINE in the NAV INFORMATION 3 menu.
use the WPL for destination waypoint, set USED WPL# to WPT in the
NAV INFORMATION 3 menu. This should only be used when connected
to a navigator which outputs only the WPL data sentence. The data
sentence and displayed data are as follows:
BWR: Range and bearing to waypoint (great circle)
BWC: range and bearing to waypoint
RMB: Generic navigation data (range and bearing to waypoint, latitude and
WPL: Latitude and longitude of waypoint
Input waypoint
sentence
Radar
Display
WPT No.
BWR,
Nav line
BWC,
RMB, or
WPL
When data of
Above data is
above
erased and
sentences
replaced with
changes
latest data.
(destination
waypoint
changed)
No input of
30 seconds
above
later the
sentences
above data is
(waypoint
erased.
cancelled)
the arrival alarm range or 0.5 nm from next waypoint, whichever
figure is larger. For example, the arrival alarm range is 2 miles. Since
1/2 of the arrival alarm range is 1 mile and it is larger than 0.5 miles,
the waypoint will be switched when your ship is 1 mile from a next
waypoint.
longitude position of waypoint, course, etc.
Display
Radar/Video
Plotter Display
WPT
Nav line
Nav line width
Arrival alarm
range
Above data is
erased and
replaced with
latest data.
30 seconds later
the above data is
erased.
4. WAYPOINTS, NAV LINE
That is the normal usage. To
Display Contents
Data Display
Radar Display
Rng to WPT
Bearing to WPT
(Data not
displayed in
case of
sentence WPL)
The above data is
updated and
displayed.
(Data not displayed
in case of sentence
WPL)
30 seconds later
asterisks (*) shown
for above data.
(Data not displayed
in case of sentence
WPL)
USED WPL# to
Radar/Video Plotter
Display
WPT
Rng to WPT
Bearing to WPT
The above data is
updated and
displayed.
30 seconds later
asterisks (*) shown
for above data.
23
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