Raymarine GPS 11, User Manual

Page: 26 / 77

Chapter 3: Getting Started
23
WPT DISPLAY:
The symbol which displays a waypoint on the plotter screen may be
set either to (O) or to the first letter of the waypoint name. Press
ENTER to select the desired option.
Set-up Navigation
Use the trackpad to select “SET-UP NAVIGAT” and press ENTER.
Setnav
Use the trackpad to highlight the desired option:
MAP DATUM:
The default map datum is WGS84, however it is possible to select
from a list of alternative datums as specified in Appendix A of this
manual. Highlight the required datum using the trackpad and press
ENTER to select.
Note: It is important to ensure the correct datum is selected to prevent
position errors being introduced.
ANTENNA MODE:
For Marine use select the 2 DIMENSIONAL mode and enter the
antenna height above sea level to obtain the most accurate position.
For land use select 3 DIMENSIONAL mode and allow the GPS unit to
calculate height above sea level. Setting the mode to AUTO will
cause the GPS to use 3 dimensional mode when it is tracking 4 or
more satellites.