Sonar Alarms
WARNING
The sonar alarms feature is a tool for situational awareness only and may not prevent grounding in all
circumstances. It is the obligation of the vessel operator to ensure safe operation of the vessel.
CAUTION
The Beeper setting must be turned on to make alarms audible (Sounds and Display Settings, page 143). 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 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 FrontVü Depth Alarm, page 79). This alarm is available
only with Panoptix 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
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.
Setting Weather Alarms
Before you can set weather alarms, you must have a compatible chartplotter connected to a weather device,
such as a GXM device, and have a valid weather subscription.
1 Select Settings > Alarms > Weather.
2 Turn on alarms for specific weather events.
Setting the Fuel Alarm
CAUTION
The Beeper setting must be turned on to make alarms audible (Sounds and Display Settings, page 143). Failure
to set audible alarms could lead to injury or property damage.
Before you can set a fuel level alarm, a compatible fuel flow sensor must be connected to the chartplotter.
You can set an alarm to sound when the total amount of remaining onboard fuel reaches the level you specify.
1 Select Settings > Alarms > Fuel > Set Total Fuel Onboard > On.
2 Enter the remaining amount of fuel that triggers the alarm, and select Done.
150 Device Configuration
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