Chapter 3-20 GN33 Chart menu and INFO windows
Orientation - can be set to NORTH UP, HEAD UP or NAV UP, and the mode
can be RELATIVE or TRUE motion.
NORTH UP - (default) the chart will always be presented as north up.
HEAD UP - the chart will automatically turn, so your actual course (COG)
is up. If chart cursor is active it will stop the chart from rotating, press [CLR]
to turn cursor off. If a compass is connected, the reference will automatically
change to heading (compass).
NAV UP - the chart will automatically turn, so your bearing to destination is
up. If chart cursor is active it will stop the chart from rotating, press [CLR] to
turn cursor off.
TRUE motion - (default) the ‘ship’ will move across the chart.
RELATIVE motion - (‘Chart area’ will default to MEDIUM). The ‘ship is
locked to the center of the screen and the chart will move.
Rotation resolution - (default=15°) can be set to adjust the chart for each 5,
10, 15, 20 or 25° changes in present course or heading.
Depth: Level 1, 2 and 3 - are identified by different colors. The number of
meters in the levels can be changed. The colors are preset in the Palette setup,
section 9.6.
Grid - (default=AUTO) the LAT/LON grid can be set to AUTO, ON or OFF.
The color/grey scale of the grid is preset in the Palette setup, section 9.6.
Show range - can be set to WITH BACKGROUND, ON or OFF:
WITH BACKGROUND - (default) will add a small line to the chart display
indicating that the length of the line equals a certain number of nautical miles/
km - the indication is highlighted with a background color/grey scale.
ON - same as above, but without background color/grey scale.
OFF - indication is not shown on chart.
Auto chart select - (default=ON) When sailing with ‘Auto chart select’ ON
and cursor turned off, the scale will automatically change to the chart which is
available. But when set to OFF, then the selected scale will remain, also when
sailing ‘out of the chart’.
Extended level range - (default=ON) will enable changing range 3-4 steps
within the same chart level after having selected the range via a numeric key.
The remainder of the objects from ‘Non active waypoints’ can all be set to:
ON= shown on chart; OFF= not shown on chart; AS SELECTED= the choices
made for a particular route etc. via the menu e.g. MENU, 3, 2, ENT, ENT
- Edit route, where ‘Course line’ can be set ON or OFF.
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