Garmin GPSMAP 188C Owners Manual - Page 100

Main Menu: Comm Tab, Alarm Tab

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Reference Main Menu: Comm Tab/ Alarm Tab Advanced NMEA Setup Page Main Menu-Alarm Tab (System Submenu) 90 Advanced NMEA Output Setup The GPSMAP 188/188C/238 Sounder NMEA data transmission can be customized to change the precision of the Lat/Lon minutes, set up the waypoint IDs, and keep the output rate at two seconds. If the unit is set up to output all of the available NMEA sentences, the output rate may exceed two seconds. The 'Advanced NMEA Output Setup' page allows you to turn on/off the GPS status (GSA. GSV), Waypoint/Route (WPL, RTE), and the Garmin Proprietary sentences. See page 95 for more information on wiring and NMEA data. Lat/Lon Minutes Precision allows you to adjust the number of digits to the right of the decimal point for transmission of NMEA Output, either 2, 3 or 4 digits. The Waypoint ID setting lets you choose to output the waypoint identifiers as names or numbers. To set up the Advanced NMEA page: 1. Highlight 'NMEA In/NMEA Out' in the Serial Data Format field, and press MENU. Select 'NMEA Setup' and press ENTER. 2. To change the settings, place the highlight over the desired field and press ENTER. Make a selection and press ENTER again to accept the selection. GPSMAP 188/188C/238 Sounder NMEA Sentence Output (NMEA version 2.3 compliant) Always transmitted: GPRMC, GPGGA, GPGLL, GPBWC, GPVTG, GPXTE, GPRMB Switchable sentences: GPGSA, GPGSV, GPWPL, GPRTE Garmin proprietary: PGRME, PGRMZ, PGRMM Alarm Tab- contains setting for the unit's alarms. The Alarm tab is divided into three submenus: System alarms, Nav alarms, and Sonar alarms. System Tab Clock - provides an alarm for the system clock. Enter a time in the time field and turn the alarm on and off from the control field menu. Remember to enter alarm times in the same time format (UTC or local) you're using for your system. The unit must be on for the clock alarm to work.

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90
Reference
Main Menu: Comm Tab/
Alarm Tab
Advanced NMEA Output Setup
The GPSMAP 188/188C/238 Sounder NMEA data transmission can be customized to change the
precision of the Lat/Lon minutes, set up the waypoint IDs, and keep the output rate at two seconds. If
the unit is set up to output all of the available NMEA sentences, the output rate may exceed two sec-
onds. The ‘Advanced NMEA Output Setup’ page allows you to turn on/off the GPS status (GSA. GSV),
Waypoint/Route (WPL, RTE), and the Garmin Proprietary sentences. See page 95 for more information
on wiring and NMEA data.
Lat/Lon Minutes Precision allows you to adjust the number of digits to the right of the decimal
point for transmission of NMEA Output, either 2, 3 or 4 digits. The Waypoint ID setting lets you
choose to output the waypoint identifiers as names or numbers.
To set up the Advanced NMEA page:
1.
Highlight ‘NMEA In/NMEA Out’ in the Serial Data Format field, and press
MENU
. Select ‘NMEA
Setup’ and press
ENTER
.
2.
To change the settings, place the highlight over the desired field and press
ENTER
. Make a
selection and press
ENTER
again to accept the selection.
GPSMAP 188/188C/238 Sounder NMEA Sentence Output (NMEA version 2.3 compliant)
Always transmitted:
GPRMC, GPGGA, GPGLL, GPBWC, GPVTG, GPXTE, GPRMB
Switchable sentences:
GPGSA, GPGSV, GPWPL, GPRTE
Garmin proprietary:
PGRME, PGRMZ, PGRMM
Alarm Tab—
contains setting for the unit’s alarms. The Alarm tab is divided into three submenus:
System alarms, Nav alarms, and Sonar alarms.
System Tab
Clock – provides an alarm for the system clock. Enter a time in the time field and turn the alarm on
and off from the control field menu. Remember to enter alarm times in the same time format (UTC
or local) you’re using for your system. The unit must be on for the clock alarm to work.
Advanced NMEA
Setup Page
Main Menu—Alarm Tab
(System Submenu)