Garmin GPSMAP 188C Owners Manual - Page 97

Main Menu: Comm Tab

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Comm (Communications) Tab- lets you control the input/output format used when connecting your GPSMAP 188/188C/238 Sounder to external NMEA devices, a DGPS beacon receiver, a personal computer, another Garmin GPSMAP 188/188C/238 Sounder, etc. If a DGPS receiver is used, WAAS capability will automatically be turned to 'Off'. The unit supports two input/output ports. See page 95 for more information on wiring and NMEA information. Individual Port settings are: Port 1: • Garmin Data Transfer - the proprietary format used to upload/download MapSource data, exchange waypoint, route, track, almanac, and proximity data with a PC or another Garmin GPSMAP 188/188C/238 Sounder. When you select 'Garmin Data Transfer', there are 11 Transfer Modes to choose from: Host, Request Almanac, Request Proximity, Request Routes, Request Tracks, Request Waypoints, Send Almanac, Send Proximity, Send Routes, Send Tracks and Send Waypoints. • NMEA In/NMEA Out - supports the input/output of standard NMEA 0183 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 188/188C/238 Sounder 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, 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. Reference Main Menu: Comm Tab Main Menu-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. 87

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87
Reference
Main Menu: Comm Tab
Comm (Communications) Tab—
lets you control the input/output format used when connecting
your GPSMAP 188/188C/238 Sounder to external NMEA devices, a DGPS beacon receiver, a personal
computer, another Garmin GPSMAP 188/188C/238 Sounder, etc. If a DGPS receiver is used, WAAS
capability will automatically be turned to ‘Off’. The unit supports two input/output ports. See page 95
for more information on wiring and NMEA information. Individual Port settings are:
Port 1:
•
Garmin Data Transfer – the proprietary format used to upload/download MapSource data, exchange
waypoint, route, track, almanac, and proximity data with a PC or another Garmin GPSMAP
188/188C/238 Sounder. When you select ‘Garmin Data Transfer’, there are 11 Transfer Modes to
choose from: Host, Request Almanac, Request Proximity, Request Routes, Request Tracks, Request
Waypoints, Send Almanac, Send Proximity, Send Routes, Send Tracks and Send Waypoints.
•
NMEA In/NMEA Out – supports the input/output of standard NMEA 0183 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 188/188C/238 Sounder 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, 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
.
Main Menu—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.