Sonar Features selected (left). In the Sonar Features menu, Noise Rejec-
tion is selected with ASP in the default low setting (right).
To change the ASP level:
1.From the Sonar Page, press MENU↓ to SONAR FEATURESENT.
2.Press ↓ to NOISE REJECTIONENT.
3.Press ↓ or ↑ to select a setting, then press ENT.
4.To return to the previous page, press EXITEXIT.
Alarms
This unit has three different types of sonar alarms. The first is a Fish Alarm. It sounds when the Fish I.D. feature determines an echo is a fish.
Another alarm is the Zone Alarm, which consists of a bar on the side of the screen. Echoes that appear inside the range of the bar trigger the alarm.
The last alarm setting is the Depth Alarm, which has both a Shallow and a Deep setting. Only the bottom signal will trigger this alarm. This is useful anchor alert, a shallow water alert or for navigation.
Depth Alarms
The depth alarms sound a tone when the bottom signal goes shallower than the shallow alarm's setting or deeper than the deep alarm's set- ting. For example, if you set the shallow alarm to 10 feet, the alarm will sound a tone if the bottom signal is less than 10 feet. It will continue to
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