Functional Characteristics - Geonav 4c Bedienungsanleitung Und Installationshinweise

Functional Characteristics

FUNCTIONAL CHARACTERISTICS
This chapter describes some of the most important functions
of the GEONAV, as well as the terms most commonly used in
this document.
Switching on/Switching off the unit
To switch the GEONAV on, press the PWR key. To switch it
off, keep the PWR key pressed for more than 1 second.
Internal or external GPS
To make the installation easy, the GEONAV can use either its
own internal GPS receiver or an external receiver, depending
on where the unit is to be installed (indoor or outdoor).
To select the internal/external GPS, press PAGE to display the
menu, select SETUP, then GPS INT or GPS EXT.
Depth sounder
When in depth sounder mode, the GEONAV displays the naviga-
tion window in the screen upper part, and, in the bottom part, the
sea depth in graphic form.
The depth value can be expressed in meters (selected by default),
feet and fathoms; press PAGE to display the menu, select SETUP
and then DEPTH UNITS (M /FT/FA).
Navigation mode (Automatic)
The GEONAV enters the Navigation mode as soon as the internal
or external GPS receiver transmits a valid fix; when in Navigation
mode:
• The manual cursor is not displayed
• The depth sounder window can be accessed
This mode is also called automatic because the unit automati-
cally selects the chart scale and updates the boat's position on
the screen.
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Cursor mode (Manual)
When in Cursor mode, the manual cursor is displayed. It is
possible to edit a route, insert or delete markers, display navaid
information etc., but it is not possible to gain access to the
depth sounder window. By pressing one of the four arrows in
the CURSOR key, the unit switches from Navigation to Cursor
mode, and the screen is centered in relation to the manual
cursor. To return to Navigation mode press PAGE.
Chart rotation
Charts are traditionally displayed in
north-up mode. This, however, does not
correspond to reality. For example,
when traveling southwards, the chart
shows, on the right side of the boat,
what is actually located on the left side,
and vice versa.
The Chart Rotation function allows ro-
tating the electronic chart displayed ac-
cording to the plotted route (COG -
Course Over Ground) as detected by the
GPS receiver. Since the COG value var-
ies continuously, a filter has been in-
serted to prevent the chart from bounc-
ing.
To activate the Chart Rotation function,
press PAGE to display the menu, select
SETUP, then CHART ROTATION and
ON. A message will prompt the user to
select the requested maximum range be-
fore activating the chart rotation.
The northern direction will be indi-
cated by the symbol
Autozoom
With
GEONAV will always display automati-
.
the Autozoom function
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Without rotation
the
With rotation
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