2
2
O
O
P
P
E
E
R
R
A
A
T
T
I
I
O
O
N
N
G
G
U
U
I
I
D
D
E
E
2.1 Operating System Requirement
◇
Windows 95, Windows 98, Windows Me, Windows 2000, Windows XP,
Windows CE, Macintosh or any other OS that is compatible of GPS
NMEA Sentence format.
◇
Desktop/laptop PC, Palm, Pocket PC, which is Bluetooth-enabled as
the communication device.
◇
Host Control Interface (HCI) Supports Bluetooth Serial Port Profile
(SPP)
2.2 GPS Signal Reception
The SANAV BT-48 offers 15m high position accuracy and 45sec TTFF
cold start initial position fix. However, those performances depend on the
location and the initial state of the receiver. The environmental factors
that influence GPS TTFF and position accuracy are:
◇
Tall buildings and constructions
◇
Narrow streets
◇
Heat rejection film on glass or on windshield
◇
Under trees of heavy leafage
◇
Beside large and tall cliffs
◇
Any object that obstructs a clear view of the sky
◇
Poor satellites geometry conditions.
www.sanav.com
11