Garmin GPSMAP 172C Owner's Manual - Page 86

Main Menu: Comm Tab, Alarm Tab, GPSMAP 172/172C NMEA Sentence Output NMEA version 3°01 compliant

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Reference Main Menu: Comm Tab/ Alarm Tab Advanced NMEA Setup Page Main Menu-Alarm Tab (System Submenu) 76 GPSMAP 172/172C NMEA Sentence Output (NMEA version 3.01 compliant) Always transmitted: GPRMC, GPGGA, GPGLL, GPBWC, GPVTG, GPXTE, GPRMB, GPBOD 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 Submenu 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. Battery - sets an alarm to sound when the battery is reaching a critical state of discharge. DGPS - sets an alarm to sound when the unit loses a differential fix. Accuracy - sets an alarm to sound when the GPS position accuracy falls outside the user-set value. Nav Submenu Tab Anchor Drag - sets an alarm to sound when you've exceeded a specified drift distance. Enter a value in the distance field and use the control field to turn the alarm on and off. Arrival - sets an alarm to sound when you're a specified distance or time away from a destination waypoint. Enter a distance radius or time for sounding the alarm and use the control field to set the alarm to 'Off', 'Dist' (Distance), or 'Time'. Off Course - sets an alarm to sound when you're off a desired course by a specified distance. Enter a distance in the distance field and use the control field to turn the off course alarm on and off.

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¸·
Main Menu: Comm Tab/
Alarm Tab
GPSMAP 172/172C NMEA Sentence Output (NMEA version 3°01 compliant)
Always transmitted:
GPRMC, GPGGA, GPGLL, GPBWC, GPVTG, GPXTE, GPRMB, GPBOD
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 Submenu 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.
Battery – sets an alarm to sound when the battery is reaching a critical state of discharge.
DGPS – sets an alarm to sound when the unit loses a differential fix.
Accuracy – sets an alarm to sound when the GPS position accuracy falls outside the user-set
value.
Nav Submenu Tab
Anchor Drag – sets an alarm to sound when you’ve exceeded a specified drift distance. Enter a
value in the distance field and use the control field to turn the alarm on and off.
Arrival – sets an alarm to sound when you’re a specified distance or time away from a destina-
tion waypoint. Enter a distance radius or time for sounding the alarm and use the control field
to set the alarm to ‘Off’, ‘Dist’ (Distance), or ‘Time’.
Off Course – sets an alarm to sound when you’re off a desired course by a specified distance.
Enter a distance in the distance field and use the control field to turn the off course alarm on
and off.
Reference
Advanced NMEA
Setup Page
Main Menu—Alarm Tab
(System Submenu)