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Graphic symbols for
waypoints or event
marker icons: ................. 42.
Routes:............................. 100; up to 100 waypoints per route.
Plot Trails:...................... 10 savable; up to 9,999 points per trail.
Zoom range:.................... 37 ranges; 0.05 to 4,000 miles.
NOTE:
The above memory capacities refer only to the GlobalMap 7000C's
on-board memory. The amount of GPS data you can record and save
for recall later is only limited by the number of MMC cards you have.
NOTICE!
The storage and operation temperature range for your GlobalMap
7000C is from -4 degrees to +167 degrees Fahrenheit (-20 degrees to
+75 degrees Celsius). Extended storage or operation in temperatures
higher or lower than specified will damage the liquid crystal display in
your unit. This type of damage is not covered by the warranty. For more
information, contact the factory's Customer Service Department; phone
numbers are listed on the last page.
How Lowrance GPS Works
You'll navigate faster and easier if you understand how the GlobalMap
7000C scans the sky to tell you where you are on the earth — and, where
you're going. (But if you already have a working understanding of GPS
receivers and the GPS navigation system, skip on ahead to Section 2,
Installation & Accessories on page 11. If you're new to GPS, read on, and
you can later impress your friends with your new-found knowledge.)
First, think of your unit as a small but powerful computer. (But don't
worry — we made it easy to use, so you don't need to be a computer ex-
pert to find your way!) The GlobalMap 7000C includes a keypad and a
screen with menus so you can tell it what to do. The screen also lets the
unit show your location on a moving map, as well as point the way to
your destination.
This gimbal-mounted GlobalMap 7000C uses an external an-
tenna/receiver module, which makes the whole system work something
like your car radio. But instead of your favorite dance tunes, this re-
ceiver tunes in to a couple of dozen GPS satellites circling the earth. (It
will also listen in to the WAAS satellites in orbit, but more about that
in the upcoming segment introducing you to GPS and WAAS.)
Your unit listens to signals from as many satellites as it can "see" above
the horizon, eliminates the weakest signals, then computes its location in