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rate plot trail if you are moving around in a relatively small area. If you
want to experiment with Position Pinning, the same instructions are
used to turn the feature on (checked) and off (unchecked.)
1. Press MENU|MENU|↓ to GPS SETUP|ENT|↓ to POSITION PINNING|ENT.
2. Press EXIT|EXIT to return to the previous page.
Reset Options
To reset all features to their factory defaults:
1. Press MENU|MENU|↓ to SYSTEM SETUP|ENT|↓ to RESET OPTIONS|ENT|←
to YES|ENT.
NOTE:
Reset Options does not erase any waypoints, routes, icons, plot trails or
sonar logs.
Reset Options command, left,
and the Reset Options Menu, right.
Require DGPS
You can force LMS-320 to require DGPS for reporting a valid position.
(The default setting, off, uses DGPS automatically when an optional
DGPS beacon receiver is connected. However, this auto mode doesn't
require DGPS reception to yield a position.) Here's how to turn manda-
tory DGPS on and off.
1. Press MENU|MENU|↓ to GPS SETUP|ENT|↓ to REQUIRE DGPS|ENT.
2. To return to the last page displayed, press EXIT|EXIT.
3. You can return to this command and press ENT again to turn the fea-
ture off.