Garmin GPSMAP 172C Owner's Manual - Page 83

Main Menu: Comm Tab, To select an input/output format, To select a transfer mode

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• None - provides no interfacing capabilities. Port 2: • Garmin DGPS - used to connect the GPSMAP 172/172C 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 data, DSC, 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 output. • None - provides no interfacing capabilities. To select an input/output format: 1. Select the desired Port tab, then highlight the 'Serial Data Format' field and press ENTER. 2. Use the ARROW KEYPAD elect the desired setting and press ENTER. To select a transfer mode: 1. Use the ARROW KEYPAD to select 'Garmin Data Transfer' in the 'Serial Data Format' field. 2. Highlight the 'Transfer Mode' field and press ENTER. 3. Use the ARROW KEYPAD to select the desired setting and press ENTER. 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 affects both Port 1 and Port 2 NMEA outputs. To restore the Serial Data Format settings to the default 'Garmin Data Transfer': 1. From the Comm tab, press MENU, highlight 'Defaults' and press ENTER. Reference Main Menu: Comm Tab 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. 73

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Main Menu: Comm Tab
•
None – provides no interfacing capabilities.
Port 2:
•
Garmin DGPS – used to connect the GPSMAP 172/172C with a Garmin DGPS beacon receiver.
•
Other DGPS – allows DGPS input using a standard RTCM format, without any output capabili-
ties.
•
NMEA In/NMEA Out – supports the input/output of standard NMEA 0183 data, DSC, 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 output.
•
None – provides no interfacing capabilities.
To select an input/output format:
1. Select the desired Port tab, then highlight the ‘Serial Data Format’ field and press
ENTER
.
2. Use the
ARROW KEYPAD
elect the desired setting and press
ENTER
.
To select a transfer mode:
1. Use the
ARROW KEYPAD
to select ‘Garmin Data Transfer’ in the ‘Serial Data Format’ field.
2. Highlight the ‘Transfer Mode’ field and press
ENTER
.
3. Use the
ARROW KEYPAD
to select the desired setting and press
ENTER
.
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 affects both Port 1 and Port 2 NMEA outputs.
To restore the Serial Data Format settings to the default ‘Garmin Data Transfer’:
1. From the Comm tab, press
MENU
, highlight ‘Defaults’ and press
ENTER
.
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.
¸´
Reference