Navionics 10C Marine GPS System User Manual


 
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English
Functional Characteristics
Ground), as detected by the GPS receiver. Since the COG value
varies continuously, a filter has been inserted to prevent the
chart from bouncing.
The Chart Rotation function is enabled at a speed greater than
1 knot. To enable the Chart Rotation function, press GOTO,
select SETUP/DISPLAY, then CHART ROTATION and ON. A
message will prompt the user to select the chart scale before
activating the chart rotation. Confirm by pressing ENTER.
The northern direction will be indicated by the symbol
Autozoom
With the Autozoom function the GEONAV will always display
automatically the boat’s position and the target waypoint at
the best available chart scale. This function is enabled pro-
vided that at least one waypoint has been previously entered.
To enable the Autozoom function, press ZOOM+ until the
“AUTOZOOM ? ENTER = YES” message is displayed, then
confirm by pressing ENTER. To disable the Autozoom function,
press ZOOM.
When the GEONAV is turned on, and if at least one waypoint
has been previously entered, the Autozoom function will be
automatically enabled.
Screen Amplifier
This function automatically redraws the chart according to
the boat’s course, so as to maintain 2/3rds of the screen ahead