Garmin GPSMAP 172C Owner's Manual - Page 87

Main Menu: Alarm Tab, To set an alarm

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Sonar Submenu Tab* Shallow Water/Deep Water - set alarms to sound when you enter an area of specified depth that 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 either above, 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 press ENTER to finish. 5. If you want the alarm to display and beep until acknowledged, highlight the 'Persist' box and press ENTER 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 Sonar alarms to function. Fish Alarm will only function while using a Garmin GSD 20 Sonar Module. Reference Main Menu: Alarm Tab Main Menu-Alarm Tab (Nav Submenu) Main Menu-Alarm Tab (Sonar Submenu) 77

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Main Menu: Alarm Tab
Sonar Submenu Tab*
Shallow Water/Deep Water – set alarms to sound when you enter an area of specified depth
that 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 either
above, 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 press
ENTER
to finish.
5.
If you want the alarm to display and beep until acknowledged, highlight the ‘Persist’ box and press
ENTER
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 Sonar
alarms to function. Fish Alarm will only function while using a Garmin GSD 20 Sonar Module.
Reference
Main Menu—Alarm Tab
(Nav Submenu)
Main Menu—Alarm Tab
(Sonar Submenu)