Garmin GPSMAP 188 Owner's Manual And Reference Manual

Also see for GPSMAP 188 Sounder: Declaration of conformity Declaration of conformity Owner's manual Specifications

Contents

Garmin GPSMAP 188 Owner's Manual And Reference Manual Manual pdf 100 page image

90ReferenceMain Menu: Comm Tab/Alarm TabAdvanced NMEA Output SetupThe GPSMAP 188/188C/238 Sounder NMEA data transmission can be customized to change theprecision of the Lat/Lon minutes, set up the waypoint IDs, and keep the output rate at two seconds. Ifthe 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 informationon wiring and NMEA data.Lat/Lon Minutes Precision allows you to adjust the number of digits to the right of the decimalpoint for transmission of NMEA Output, either 2, 3 or 4 digits. The Waypoint ID setting lets youchoose 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 ‘NMEASetup’ and press ENTER.2. To change the settings, place the highlight over the desired field and press ENTER. Make aselection 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, GPRMBSwitchable sentences: GPGSA, GPGSV, GPWPL, GPRTEGarmin proprietary: PGRME, PGRMZ, PGRMMAlarm Tab— contains setting for the unit’s alarms. The Alarm tab is divided into three submenus:System alarms, Nav alarms, and Sonar alarms.System TabClock – provides an alarm for the system clock. Enter a time in the time field and turn the alarm onand off from the control field menu. Remember to enter alarm times in the same time format (UTCor local) you’re using for your system. The unit must be on for the clock alarm to work.Advanced NMEASetup PageMain Menu—Alarm Tab(System Submenu)