Sonar Alarms
WARNING
The sonar alarms feature is a tool for situational awareness only and may not prevent grounding in all
circumstances. It is your obligation to ensure safe operation of the vessel.
CAUTION
The Beeper setting must be turned on to make alarms audible (Sounds and Display Settings, page 53). Failure
to set audible alarms could lead to injury or property damage.
NOTE: Not all options are available on all transducers.
From an applicable sonar view, select MENU > Sonar Setup > Alarms.
You can also open the sonar alarms by selecting > 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.
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.
Advanced Sonar Settings
From a Traditional sonar view, select MENU > Sonar Setup > Advanced.
Btm. Srch. Limit: Limits the search for the bottom to the depth selected when the Range setting is set to Auto.
To minimize the length of time it takes to find the bottom, you can select a depth to limit the search for the
bottom. The device will not search for the bottom deeper than the selected depth.
Transducer Installation Settings
These settings apply to the following types of sonar.
• Traditional
• Garmin ClearVü
From an applicable sonar view, select an option.
• From a Traditional sonar view, select MENU > Sonar Setup > Installation.
• From a Garmin ClearVü sonar view, select MENU > ClearVü Setup > Installation.
Restore Sonar Defaults: Restores the sonar settings to the factory default values.
Transducers: Allows you to change the transducer, view details about the transducers, and save details to a
memory card.
Sonar Fishfinder 49
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