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User's manual OnCourse Navigator | 4
Operating the navigation software - 28 -
GPS
The color of this icon and the number displayed on it have the
following significance:
Color/Number Significance
red
A GPS receiver is not connected or the
power supply is interrupted.
orange + number of
received satellites
A GPS receiver is connected, but the
received signals are not convenient
for navigation purposes (e.g. because
you are in a closed building).
green + number of
received satellites
The signals are convenient. Navigation
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.
Longitude /
Latitude
Current position:
Indication of east longitude and north
latitude.
Satellites
Number of received satellites. At least three
satellites must be received for navigation
purposes.
HDOP
Horizontal Dilution of Precision:
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
(value 0 = no deviation from the real
position). Values up to 8 are convenient for
navigation purposes.