Owner`s manual

getting started
cnd
Page 26
gps mode
GPS Mode
The GPS mode displays positional information
received from a n externa l GPS antenna or unit.
Initialisat ion
Whe n the
CND
is first switched on, it will start
acquiring sa tellites to obtain a position fix.
Pressing the
PAGE
key twice will display the
GPS page.
Status Page
The Status page displays information about the
satellites in use and the quality of the position
provided.
The bar graph displays the strength of the
signal being received from each satellite. The
circular display shows the satellites currently in
view with their identification numbers. These
numbers correspond to the bar graph.
Where a satellite is blacked, it is being used by
the CND for positional information.
The data boxes are updated when the CND
has obtained a lock on sufficient satellites for
navigation.
The HDOP (Horizontal Dilution of Precision)
and VDOP (Vertical Dilution of Precision)
figures give an i ndication of the accuracy of the
position being calculated. A low figure indicates
increased accuracy.
Pressing the GPS Softkey displays the GPS
Page.
GPS Page
The GPS page displays the current position
with Course Over the Gro und (COG) and
Speed Over the Ground (SOG). Also shown
are the Datum on which the position is based
and the system date and time.