tomtom 2 on pna100

ok this is doing my head in i have installed legit tomtom3 and install fine but cannot get a sat signal says signla not corrct or something yet seems to find 7 satallites am i doing something wrong or does this software just not work correctly with the pna100 anty help would be appreciated

[getsurfers]

Until the bars turn blue, you haven't got a usable GPS lock.

Wait outside your vehicle, and you should have a lock within 5-10 minutes from cold (ie first use). From then on your locks should take a few minutes tops.