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As GPS units are used, data is gathered which
helps them acquire satellites quickly at the start of each use. If a device is
used daily it should be able to acquire satellites in a minute or less. Using a
GPS device while it is outdoors with a clear view of the entire sky is the
ideal condition for acquiring satellites. Please know that there can be several
different factors that may cause a GPS unit to not acquire satellites:
If your unit is still having trouble acquiring
satellites, please ensure that it has the latest version of operating software
by using our WebUpdater program. Once
your unit is updated please allow the unit to acquire satellites outdoors in a
stationary position with a clear view of the sky.
- If your unit is trying
to acquire satellites for the first time, it may take longer than normal
to establish an initial position. If the unit is powered on and outdoors
with a clear view of the sky this should not take more than 3-5 minutes.
- If your unit has not
been used for an extended period of time (more then a month), it may take
3-5 minutes to acquire satellites.
- If your unit is indoors,
it may not acquire satellites. Even standing next to a window indoors will
block a majority of the sky which is needed for a device to locate and
lock onto a satellite signal.
- If you have just
finished updating the software in your unit or you have performed a master
reset, your unit may take 3-5 minutes to acquire while outdoors as the
data that is used to locate satellites may have been erased.
- If your unit has
traveled over 500 miles while turned off or not tracking your travel, it
may take 3-5 minutes to acquire even in ideal conditions.
- If your vehicle has a
protective coating on its windshield or electronic devices which interfere
with the unit receiving signal, your unit may need an external antenna* in
order to acquire satellites.
- If you suspect this to
be an issue, try taking the unit outside of the vehicle with a clear view
of the sky for 3-5 minutes so that the unit can acquire satellites. If
your unit loses satellites once moved back into your vehicle you will
most likely need an external antenna*.