Руководство Пользователя для Dual xnav3550
USER’S MANUAL XNAV3550
Operating the navigation software
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GPS
The GPS symbol is placed at the bottom of the screen. The
different GPS icons have the following significance:
The GPS symbol is placed at the bottom of the screen. The
different GPS icons have the following significance:
Symbol
Significance
No GPS
A GPS receiver is not connected or the
power supply is interrupted.
power supply is interrupted.
No signal
A GPS receiver is connected, but the
received signals are not convenient for
navigation purposes (e.g. because you
received signals are not convenient for
navigation purposes (e.g. because you
are in a closed building).
GPS ready
The signals are convenient. Navigation
may begin.
may begin.
Tap the GPS icon to display the current GPS status:
Entry
Significance
GMT
Greenwich Mean Time
Time of London ignoring daylight saving
time.
Time of London ignoring daylight saving
time.
Longitude /
Latitude
Latitude
Current position:
Indication of east longitude and north
Indication of east longitude and north
latitude.
Satellites
Number of received satellites. At least three
satellites must be received for navigation
purposes.
satellites must be received for navigation
purposes.
HDOP
Horizontal Dilution of Precision:
Indicates the quality of position
determination. Theoretically any value from 0
Indicates the quality of position
determination. Theoretically any value from 0
to 50 may occur. The smaller the value, the
more accurate is the position determination
more accurate is the position determination
(value 0 = no deviation from the real
position). Values up to 8 are convenient for
position). Values up to 8 are convenient for
navigation purposes.