Lowrance electronic iFINDER M-M GPS Receiver User Manual


 
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You make your own Custom Map Files with our MapCreate software,
but you don't have to. We also sell ready-to-use FreedomMaps. These
custom maps are pre-loaded on MMCs. (No computer work required!).
iFINDER automatically reads Custom Map Files directly from the MMC
or SD Card. To use a custom map, all you need to do is slide an MMC
containing a map into the unit.
Introduction to GPS and WAAS
GPS stands for Global Positioning System, a navigational system that
can accurately locate your position anywhere on the Earth. This tech-
nology is available to everyone, everywhere, 24 hours a day, in all
weather conditions. GPS uses 24 satellites orbiting 10,900 miles above
the Earth to transmit position data back to Earth. A GPS receiver proc-
esses that data to tell you where you are.
For the system to work, the unit must have a clear view of the satellites
in order to receive their signals. Unlike radio or television signals, GPS
works at very high frequencies. These signals can be easily blocked by
trees, buildings, an automobile roof, even your body.
If you would like to know more about GPS and its companion system
WAAS, visit our web site and check out the GPS Product Guide section
(www.lowrance.com/Support/gps.asp). It includes a GPS tutorial, fre-
quently asked questions and a glossary.
How to Use this Manual: Typographical Conventions
Many instructions are listed as numbered steps. The keypad and arrow
"keystrokes" appear as boldface type. So, if you're in a real hurry (or
just need a reminder), you can skim the instructions and pick out what
menu command to use by finding the boldface command text. The fol-
lowing paragraphs explain how to interpret the text formatting for
those commands and other instructions:
Arrow Keys
The arrow keys control the movement of dotted cross-hair lines on your
mapping screen called the cursor. The arrow keys also help you move
around the iFINDER menus so you can execute different commands.
They are represented by symbols like these, which denote the down ar-
row key, the up arrow, the left arrow and the right arrow: .
Keyboard
The other keys perform a variety of functions. When the text refers to a
key to press, the key is shown in bold, sans serif type. For example, the
"Enter/Save" key is shown as
ENT and the "Menu" key is shown as MENU.
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