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Reference
Main Menu:
Comm Tab
• NMEA In/NMEA Out— supports the input/output of standard NMEA 0183 version 2.3 data, and sonar
NMEA input support for the DPT, MTW and VHW sentences.
• None— provides no interfacing capabilities.
Port 2—
• GARMIN DGPS— used to connect the GPSMAP 182/232 with a GARMIN DGPS beacon receiver.
• Other DGPS— allows DGPS input using a standard RTCM format, without any output capabilities.
• NMEA In/NMEA Out— supports the input/output of standard NMEA 0183 version 2.3 data, and sonar
NMEA input support for the DPT, MTW and VHW sentences. You may also adjust the NMEA output.
• RTCM In/NMEA Out— allows Differential GPS (DGPS) input using a standard RTCM format and also
provides NMEA 0183 version 2.3 output.
• None— provides no interfacing capabilities.
To select an input/output format:
1. Select the desired Port tab, then highlight the ‘Serial Data Format’ fi eld and press ENTER/MARK.
2. Use the ARROW KEYPAD elect the desired setting and press ENTER/MARK.
To select a transfer mode:
1. Use the ARROW KEYPAD to select ‘GARMIN Data Transfer’ in the ‘Serial Data Format’ fi eld.
2. Highlight the ‘Transfer Mode’ fi eld and press ENTER/MARK.
3. Use the ARROW KEYPAD to select the desired setting and press ENTER/MARK.
You may also adjust the NMEA output to enable/disable certain sentences and adjust the number of
Lat/Lon output precision digits. You must have one of the ports set to NMEA In/NMEA Out to use this
option. Settings will affect both Port 1 and Port 2 NMEA outputs.
To adjust the NMEA output:
1. From the Comm tab, press MENU, highlight ‘NMEA Setup’ and press ENTER/MARK.
2. Highlight the desired option and press ENTER/MARK.
3. Use the ARROW KEYPAD to select the desired setting and press ENTER/MARK. Press QUIT when
done to return to the Comm tab.
Comm Tab
Data Transfer
Progress
When transferring data
between two GARMIN
units, be sure to always set
one to ‘Host’ and use the
other unit to either Send or
Request the desired data.
Advanced NMEA
Output Setup Page
182_232 Manual Part 2.indd 12/21/01, 11:41 AM65