CanMore GT 740 FL Gebruikershandleiding - Pagina 9
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It is possible unable to receive GPS signal or signal low in these places:
¾
Inside the tunnel, GPS signal is blocked.
¾
Covers above, GPS signal are blocked.
¾
Inside buildings, GPS signal is blocked.
ƒ If you use the USB GPS Receiver inside the car, some anti-sunlight windscreen film will make the GPS signal degraded or signal
blank.
ƒ GPS satellite is owned by America military; sometimes they will tune-down the accuracy by some reason. In such cases, the GPS
position may not fixed exactly.
★Note:
Directly pluging GPS USB Dongle into the USB port may degrade GPS performance due to RF interference from notebook or UMPC.
Please turn on the device and the position will be fixed
quickly, then input your laptop directly. It will be better performance.
9
¾
Beside some buildings, GPS signal
is low or disturbed.
¾
Inside forests, or too many covers,
GPS signal is low or disturbed.