Lowrance electronic LCX-111C - Manual (Page 158)

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Maps that are created 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
datum, which covers the entire world. Other datums may also cover the
entire world, or just a small portion of it. By default, your unit uses the
WGS-84 datum. It, however, can show your position using one of 191
different datums. To change the datum:
1. Press MENU | MENU | ↓ to GPS S ETUP
| ENT | ↓ to D ATUM S ELECTION
| 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 select any of these items, customizing the map to your needs.
To get to Map Categories:
1. From the Map Page, press
MENU | ↓ to M
AP
C
ATEGORIES
D
RAWN
| ENT.
2. Press ↑ or ↓ to select a category or press
→ then press ↑ or ↓ to select
a subcategory. Press ENT to turn it off (no check) or turn it on (checked.)
3 . To return to the last page displayed, press EXIT | EXIT.