Sony NV-U70 GPS Navigation System Manual

Page of 90
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 oPrecision:  
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.