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ated using different datums will show the same latitude/longitude in
slightly different locations.
All datums are named. The GPS system is based on the WGS-84 da-
tum, which covers the entire world. Other datums may also cover the
entire world, or just a small portion of it. By default, your position
shows using the WGS-84 datum. However, it can show your position
using one of 191 different datums.
Different datums can be selected only in Advanced Mode. (Switch from
Easy to Advanced:
MENU|↓ to ADVANCED MODE|ENT|←|ENT.) To change
the datum:
1. Press
MENU|MENU|↓ to GPS SETUP|ENT|↓ to DATUM SELECTION|ENT.
2. Scroll ↓ or ↑ to select the desired datum, then press
ENT.
3. To return to the last page displayed, press
EXIT|EXIT.
A list of the datums used by this unit is in the back of this manual.
GPS Setup Menu, left, Map Datum Menu, right.
Map Detail Category Selection
This menu determines which of the mapping features are shown on the
screen. This includes, waypoints, trails, icons, cities, highways, etc. You
can selectively turn on or off any of these items, customizing the map to
your needs. Map Detail Categories can be turned off and on only in Ad-
vanced Mode. (Switch from Easy to Advanced:
MENU|↓ to ADVANCED
MODE|ENT|←|ENT.)
To get to Map Categories:
1. Press
MENU|↓ to MAP CATEGORIES|ENT.
2. Press ↑ or ↓ to select a category or subcategory. Press
ENT to turn it
off (no check) or on (checked).
3. To return to the last page displayed, press
EXIT|EXIT.