7-4
7.4
Following a Route
1. Press the [WPT/RTE] key followed by the
ROUTE soft key to open the ROUTE
menu.
2. Press
▲
or
▼
to select a route.
3. Press the GO TO soft key to show the
plotter display.
GPS 3D
RETURN
WPT
FROM
OS
FISH
1.3 nm
208.5
°
ZOOM
IN
ZOOM
OUT
GO TO
WPT
RVSE
ROUTE
GO TO
ROUTE
WP-002
WP-001
FISH
CRAB
Plotter display, route selected as destination
The cursor is on the route waypoint nearest
own ship.
4. Operate the cursor pad to place the cursor
on the waypoint or leg desired in the route.
5. Press the GO TO WPT or FOLLOW LEG
soft key (depending on the choice at step
4).
Lines connect all route waypoints and arrows
on the lines point in the direction to traverse
the route.
Navigate route waypoints in reverse
order
Press the RVSE ROUTE soft key to reverse
the order to traverse waypoints. The arrows on
the route line point in direction selected.
Navigate directly to a route waypoint
If you want to go directly to a route waypoint,
place the cursor on the waypoint to show the
flashing diamond, and then press the GO TO
WPT soft key.
Navigate along specific leg of route
Place the cursor on the leg to display it in a
flashing line, and then press the FOLLOW LEG
soft key.
Restarting navigation
When you steer to avoid an obstacle or the
vessel drifts, you may go off your intended
course (Line 1 in figure). Use the steering or
highway display to return to course.
Also, if you don’t need to return to the original
course, you can go directly to the waypoint
(Line 2 in figure) using the restart function as
on the next page.
Original course
Obstacle
Line 1
Line 2
Example of when to restart navigation
1. Set a destination.
2. Press the [WPT/RTE] key to open the WPT
& ROUTE menu.
3. Press the LOG soft key.
GPS 3D
LOG
RE-
START
STOP
RVSE
ROUTE
SPEED
ETA 23:59 31.SEP
01
02
03
04
05
BRIDGE
HARBOR
WP<001>
WP<002>
WP<003>
34
°
23.564'N
135
°
2
3
.456'E
34
°
32.456'N
135
°
32.456'E
34
°
23.345'N
135
°
12.456'E
34
°
34.555'N
135
°
55.555'E
34
°
32.555'N
134
°
99.999'E
LEG
120.5
°
23.4nm
23.6
°
23.4nm
123.6
°
23.5nm
180.5
°
23.5nm
180.5
°
23.5nm
COORD
TYPE
Estimated Time of Arrival at last
waypoint
Passed waypoint (gray characters)
TO Waypoint (WPT no. in reverse video)
Log display
4. Press the RESTART soft key.
Summary of Contents for GP-1640
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