IBM G- MR G-Mouse GPS Receiver G-Mouse MR - Manual (Page 10)

G-Mouse GPS Receiver User Manual
Page 9
Ø Inside of the building, GPS signal isolated.
Ø Buildings near by, GPS signal interfered.
Ø Inside the forest, lots of covers above, GPS signal level down.
n If you use G-MR inside the car, some sun-control film will makes the GPS signal low or lost.
n GPS satellite is owned by America army, sometimes they will tune -down the accuracy by
some reason. In such cases, the GPS position may not fixed exactly.
6.2 Position Fixing Problem
The position fix problem below does not mean the G-MR GPS receiver ’s malfunction:
Ø You are driving on the freeway, but the GPS navigation
software shows you are on the road beside. Or the opposite
situation.
Ø You are driving on a grid like lane, it is possible to show
your car on an incorrect lane, if these 2 lane very near.
Ø If you translate the GPS receiver inside somewhere with no
satellite signal, the GPS position may stay at the position
before.