Furuno GP-1640F, Operator'S Manual, Page: 27 / 108

3-1
3. PLOTTER DISPLAYS
3.1 Presentation Modes
The plotter display mainly shows chart, ship’s
track, waypoints, and navigation data.
Three types of display presentations are
provided for the normal plotter display:
north-up, course-up and auto course-up. To
change the mode, use the presentation mode
selection soft key, which is the 3rd soft key
from the top on the plotter display this soft key
changes NORTH UP, COURSE UP and AUTO
C. U.
North-up
Press the NORTH UP soft key to show the
north-up display. North (zero degree) is at the
top of the display and own ship is at the center
of the screen. Own ship marker is a filled circle.
This mode is useful for long-range navigation.
GPS 3D
NAV
WPT
COURSE
UP
ZOOM
OUT
ZOOM
IN
NORTH
UP 135
°
12.345' E
34
°
12.345' N
SPD
CSE
16.3kt
245.8
°
BRIDGE
FISH
002WP
Nav information
window
Course bar
Functions for
soft key
Track
Own ship
marker
Current display mode
(north-up)
Icon (chart)
GPS status
Waypoint name
Waypoint mark
Plotter display, north-up mode
Course-up
Press the COURSE UP soft key to show the
course-up display. When destination which is
at the top of the screen is set, the north mark
appears at the upper left side of the screen
and points to north. A filled triangle marks own
ship’s position.
When destination is not set, the course or is
upward on the screen at the moment the
course-up mode is selected.
GPS 3D
NAV
WPT
AUTO
C.U.
ZOOM
OUT
ZOOM
IN
COURSE
UP
QP<01>
135
°
12.345' E
34
°
12.345' N
SPD
CSE
16.3kt
245.8
°
Plotter display, course-up mode
Auto course-up
Press the AUTO C.U. soft key to show the
automatic course-up display. The course or
heading is at the top of screen at the moment
the course-up mode is selected. When own
ship is off its intended course by 22.5° or more,
it is automatically brought back to
perpendicular.
GPS 3D
NAV
WPT
NORTH
UP
ZOOM
OUT
ZOOM
IN
AUTO
C-UP
135
°
12.345' E
34
°
12.345' N
SPD
CSE
16.3kt
245.8
°
Auto course-up mode