From an applicable sonar view, select Menu > Sonar Setup > Alarms.

You can also open the sonar alarms by selecting Settings > Alarms > Sonar.

Shallow Water

Sets an alarm to sound when the depth is less than the specified value.

Deep Water

Sets an alarm to sound when the depth is greater than the specified value.

FrontVü Alarm

Sets an alarm to sound when the depth in front of the vessel is less than the specified value, which can help you avoid running aground (Setting the Garmin FrontVü Depth Alarm). This alarm is available only with Panoptix™ Garmin FrontVü™ transducers.

Water Temp.

Sets an alarm to sound when the transducer reports a temperature that is 2°F (1.1°C) above or below the specified temperature.

Contour

Sets an alarm to sound when the transducer detects a suspended target within the specified depth from the surface of the water and from the bottom.

Fish

Sets an alarm to sound when the device detects a suspended target.

• sets the alarm to sound when fish of all sizes are detected.

• sets the alarm to sound only when medium or large fish are detected.

• sets the alarm to sound only when large fish are detected.