Garmin GPS Kit User Manual download pdf (Page 37)

Interface Page

The Interface Page allows you to connect and use

devices such as computers and differential GPS (DGPS)

beacon receivers to the eTrex.

Input/Output Settings

The ‘Interface’ Settings Page allows you to use your

eTrex with external NMEA devices, DGPS beacon

receivers, a personal computer, etc. You can choose from

seven different input/output serial data formats, or none

at all. Below is a description of each format:

•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 2.0 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 andsupports the

output of standard NMEA 0183 version 2.0 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

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 Maritime

Services”. Both are

involved in developing

technical standards for

the marine electronics

industry.

Use the ‘RTCM IN’ setting if your

beacon receiver is self-tuning.

Reference

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Garmin GPS Kit User Manual Page 37

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