Lowrance electronic H2OC GPS Receiver User Manual


 
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FreedomMaps
FreedomMaps are pre-made custom maps that cover multiple states,
provinces, countries or other geographic regions on a single memory
card. They give you all the features found in our MapCreate™ mapping
software, but without the necessity of using a computer. FreedomMaps
are available for the United States, Canada and Europe. In 2004, Free-
domMaps with topographic contours became available for the United
States and Canada.
Like custom maps built in MapCreate, the custom map on a FreedomMap
card contains all of these features: rivers/lakes/tributaries; more than
60,000 critical navigation aids; more than 10,000 wrecks/obstructions in
coastal and Great Lakes waters; interstate/federal/state highways; inter-
state exit services; searchable Points-of-Interest (POI) database including:
airports, hotels, restaurants, entertainment, emergency services; rural
roads and city streets; cities and towns; railways; key landmarks; search-
able street intersections and street addresses; national parks and forests
with boundaries; wildlife preserves; and more!
FreedomMaps come to you preloaded on a single 128 or 256 MB mem-
ory card. Insert the memory card into your Lowrance GPS unit, and
you're ready to go.
FreedomMaps are available through LEI-Extras. To order a card (or for
list of areas available) see ordering information in the back of this
manual.
External Antenna
A GPS antenna requires a clear view of the sky for optimum operation.
Inside a vehicle, your iFINDER can sometimes maintain satellite lock
while sitting on the seat beside you, but we don't recommend this for
optimum performance.
Since the view is restricted to what can be seen through the windows,
this operating mode will reduce position accuracy and will increase the
chance of losing satellite lock. Inside a vehicle, the unit operates best
with an optional external antenna mounted on the windshield, on the
dash or on top of the vehicle.
The optional external antenna can use a magnetic base that allows
temporary mounting on any flat ferrous metal surface. A suction-cup
mount allows you to attach the antenna to a windshield.
The iFINDER H2OC can use the passive FA-8 antenna or the active
RAA-3 antenna. The active antenna offers a further performance boost
by amplifying the satellite signals it receives. This is especially helpful
when operating in areas like dense forests, which can obstruct GPS