Gps-status – Sony NV-U50 User Manual
Page 19
 
User's manual Sony Personal Navigation System
Operating the navigation software
- 17 -
GPS-Status
The GPS
S
TATUS
window includes information about your current
location and your current speed. You can also save your current
location.
The GPS button is located on the right half of the upper edge of
the screen. The different GPS-icons have the following 
significance: 
 
 
Symbol
Significance
No signal
No signal or only an insufficient GPS 
signal is being received. This is the 
case, e.g. if you are located in an 
enclosed building. 
GPS ready
The signals are convenient. Navigation 
may begin. 
Tap on the GPS button.
The GPS
S
TATUS
window opens:
 
 
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.