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Alarms
This unit has three different types of sonar alarms. The first is the 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. Any echo on the chart that appears inside this bar triggers
the alarm.
The last alarm is the Depth Alarm, which has both a Shallow and a
Deep setting. Only the bottom signal will trigger this alarm. This is
useful as an anchor watch, a shallow-water alert or for navigation.
Depth Alarms
The depth alarms sound a tone when the bottom signal enters water
more shallow than the shallow alarm's setting or deeper than the deep
alarm's setting. 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 sound until you steer your boat into water deeper than 10
feet.
The deep alarm sounds a warning tone if the bottom depth is deeper
than the alarm's setting. Both depth alarms work off digital bottom
depth signals. No other targets will trip the alarms. These alarms can be
used at the same time or individually.
Sonar Alarms command (left); The Sonar Alarms menu (right).
To adjust and turn on the shallow alarm:
1. Press MENU|MENU|↓ to ALARMS|ENT|↓ to SONAR ALARMS|ENT.
2. Press
→ to SHALLOW ALARM DEPTH|ENT.
3. Press
↑ or ↓ to change the first number, then press → to move the
cursor to the next number and repeat until the depth is correct, then
press
ENT.
4. Press ← to SHALLOW ALARM ENABLED|ENT|EXIT|EXIT|EXIT.