User's Manual

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User Guide Manual - 4
- Fix initial GPS with a f ull charged battery. It will take longer
than before with a low battery.
- The Loo ket dev ice is supporting a Si RFInstantFixII
technology, so it is ab le to re ceive s ignal m ore quickly from
GPS sa tellites a nd ind icate a current l ocation on t he m ap
without waiting for long time.
- If there is no sav ed GPS sate llites information or the sav ed
information i s not e nough, th e SiRFIn stantFixII f unction
would no t be working no rmally. A lso when receiving G PS
signal at f irst, the location error can be happened dependi ng
on op erating circumstances. Moreover, i n ca se o f no t u sing
the device f or o ver 3 da ys, th e SiRFIn stantFixII f unction
would not be operated.
※ SiRFInstantFixII technology
It can red uce warm start s, the typ ical PND star t-up m ode,
from over half a minute to as little as five seconds, and in
urban canyons the di fference can be ev en more significant.
It do es this while demo nstrating exc ellent po sitional
accuracy, a n im portant attrib ute f or nav igation devices. I t
accomplishes thes e us ing s ophisticated, pat ent-pending
algorithms tha t enab le th e PN D to m odel th e b ehavior of
visible GPS s atellites duri ng the da y and pr edict their
position in th e sky f or u p to th ree da ys in t he f uture. It
continuously refines its calculations based on the late st data
it receives from the sa tellites b eing tr acked ev ery tim e t he
PND is used. I t p erforms t hese cal culations completely
autonomously, wit hout ev er ne eding updates o f an y kind
from a network.