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Reference
System Setup
‘Interface’ Settings Page
Serial Data Format Options
Serial Data Format Page for a
GARMIN Beacon Receiver.
When set for ‘Scan’ the unit
will stop at the first received
beacon signal. When set for
‘User’ you must enter the
frequency of the desired beacon
and adjust the bit rate. The
‘Status’ field provides advisory
information about the beacon
status and a message will
appear if the beacon signal is
not being received.
(See Appendix C)
Interface Settings
The ‘Interface’ Settings Page allows you to choose from
seven different input/output serial data formats, or none at all.
This feature is used when connecting your eMap unit to external
NMEA devices, DGPS beacon receiver, a personal computer, etc.
It is necessary to have a working knowledge of these applica-
tions. Below is a description of each format:
GARMIN
-
the proprietary format used to exchange
waypoint, track, and map 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
-
supports the input and output of standard
NMEA 0183 version 2.3 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 In/NMEA Out
-
allows DGPS input using a
standard RTCM SC-104 format and supports the
output of standard NMEA 0183 version 2.3 data.
RTCM In/Text Out
-
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.
Select the desired Serial data Format from the list. If
‘GARMIN DGPS’ or ‘RTCM In/NMEA Out’ format is
selected, additional fields are provided to control a
GARMIN differential beacon receiver (e.g. GBR 21) directly
from your eMap unit. Tuning is automatic with ‘Scan’ or
you can enter the beacon frequency and bit rate when you
select ‘User’ from the Beacon list to manually tune the
receiver. For more information, refer to instructions
supplied with the beacon receiver.
When selecting, ‘Text Out’, ‘RCTM In’, and ‘RCTM In/
Text Out’ formats, a Baud field with a list of options will
display.
