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Reference
The interface options will allow you
to use a PC to download waypoints,
routes, and track logs.
NMEA stands for “National
Marine Electronics Association”
and RTCM stands for “Radio
Technical Commission for Mari-
time Services”. Both are involved in
developing technical standards for
the marine electronics industry.
Interface Page
The Interface Page allows you to connect and use
devices such as computers and differential GPS (DGPS)
beacon receivers to the eTrex Summit. Below is a descrip-
tion of the available formats.
Input/Output Formats
• GARMIN
- the proprietary format used to exchange
waypoint, route, and track data with a PC.
• GARMIN DGPS - Allows DGPS input using a
GARMIN beacon receiver and a standard RTCM
SC-104 format and DGPS tuning.
• NMEA OUT - supports the output of standard
NMEA 0183 version 3.0 data.
• TEXT OUT - allows simple ASCII text output of
location and velocity information, without any input
capabilities.
• RTCM IN - allows DGPS input using a standard
RTCM SC-104 format without any output capabilities.
• RTCM/NMEA- allows DGPS input using a standard
RTCM SC-104 format and supports the output of
standard NMEA 0183 version 3.0 data.
• RTCM/TEXT- allows DGPS input using a standard
RTCM SC-104 format and simple ASCII text output of
location and velocity information.
• NONE - Provides no interfacing capabilities.
Interface Page
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