Raytheon V8010, Руководство по эксплуатации

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35.1 Getting Started with GPS
The GPS begins operation when the GPS posi-
tion data is selected for display in the
To select GPS, press and select
the On the
SYSTEM
menu
0180
the Select the
HEADING IN
with GPS
be ON.
When power is applied to the 100 GPS
sensor for the very first time, the GPS unit must
locate and identify three or more satellites before
determining the vessel’s actual
The GPS receiver already has
a built-in profile of each satellite’s signal coding, so it becomes a matter of
sampling the incoming GPS signals and comparing the until you get
signal coding matches for the in view.
This sampling process, similiar to matching fingerprints, is extremely
complex. time start-up GPS take from
20 to 30 minutes before the unit actually provides the first output of the
ship’s Latitude/Longitude position. However, by using the display
unit, the operator can aid the receiver and get the first GPS in approxi-
mately 2 to 3 minutes by entering the vessel’s approximate geographic
position in Latitude and Longitude. the GPS Antenna Height, and the
UTC Date and Time.
Once you’ve entered this data into the unit, the GPS of
the information in memory. The next time you use
the GPS, the only thing you’ll have to do is turn it
“on”. In just a few minutes, your position will be
SATELLITE STATUS
displayed.
35.1.1 Estimated Position
Press the key. T h e n p r e s s
l
EST
and select
SATELLITE STATUS .
N
SF
w
Press
the on the Satellite Status
Display. You will then see the
display.
R E T U R N