Samyung Navis 3800, Руководство пользователя

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3.
System
3.1 Satellite Information
This is to set up the related information on GPS and DGPS necessary for navigation.
It is basically similar to DGPS(Differential GPS) but it also provides the more preciseness of
position information to decrease the position differentiation, through receiving the position
correction signal from a separate standard correction station located on land.
The measured positional deviation of GPS is some less then 15M but as for DGPS, it is some
less than 1~5M.
Use the directional buttons, ( ) button, ( ) button to set up each item shown
below.
( )
[3.SYSTEM]
( )
[1.SATELLITE INFO]
( )
[ Ref. ]
☞
☞ ☞
☞
How to move the selection menu of the geodetic
In moving to select the geodetic, move buttons up & down in a unit,
press, buttons to move up & down in four units.
[ Ref. ]
☞ ☞ ☞ ☞
Geodetic Datum is the global position standard. In the Survey field, Geodetic
Datum means the coordinate system which shows latitude and longitude and the
oval figure which shows the shape of the earth. That is to say, Geodetic Datum is
the Survey Datum which is common worldwide.
Geodetic Datum is one thing as a definition, but each country has different time
of establishment , mechanism and accuracy. ITRF, WGS, PZ datum is famous.
Please refer to Appendix 3. for more Geodetic Datum.