Garmin GPSMAP 172 Owner's Manual

Also see for GPSMAP 172: Installation instructions Specifications Quick reference

Contents

Main Menu: Alarm TabSonar Submenu Tab*Shallow Water/Deep Water – set alarms to sound when you enter an area of specified depththat is too shallow and/or too deep. You must be receiving sonar data for this function to work.Water Temperature – sets an alarm to sound when the transducer reports a temperature eitherabove, below, inside or outside the specified values.Fish – sets an alarm to sound when the unit detects a fish of the specified size symbol(s).To set an alarm:1. Use the ARROW KEYPAD to highlight desired submenu tab of the Alarm Tab.2. Highlight the field below the alarm name you wish activate and press ENTER.3. Change the mode to the desired setting and press ENTER.4. Highlight the next field to the right and press ENTER, then enter the desired settings and pressENTER to finish.5. If you want the alarm to display and beep until acknowledged, highlight the ‘Persist’ box and pressENTER to place a check mark in the box.*You must be receiving NMEA Sonar data or using a Garmin GSD 20 Sonar Module for the Sonaralarms to function. Fish Alarm will only function while using a Garmin GSD 20 Sonar Module.ReferenceMain Menu—Alarm Tab(Nav Submenu)Main Menu—Alarm Tab(Sonar Submenu)