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GPSMAP 78 Series Owner’s Manual 27
Customizing Your Device
System Settings
From the main menu, select >
.
• —sets the GPS to
(Wide Area
Augmentation System/European
Geostationary Navigation Overlay
Service), or (GPS off).
For information about WAAS, go to
www.garmin.com/aboutGPS/waas
.html.
• —sets the text language
on the device.
: Changing the text language
does not change the language of
user-entered data or map data, such
as street names.
• —allows you to select
the type of battery you are using.
• —sets the format of the
serial interface:
◦ —Garmin
proprietary format used to
provide PVT protocol data.
◦ —provides
standard NMEA 0183 output
and input.
◦ —provides simple
ASCII text output of location
and velocity information.
◦ Radio Technical
Commission for Maritime
Services—allows the device
to accept DGPS Differential
Global Positioning System
information from a device
supplying RTCM data in an
SC-104 format.