low alarm sounds a tone.
To turn the shallow alarm off, press the MENU key, then press the key next to the "Alarms" label. Now press the key next to the "Shal Alarm" menu until the check mark moves to the “OFF” box. Press the CLR key to return to the sonar display.
Remember, the shallow and deep alarms adjust exactly the same. The only difference is the shallow alarm sounds when the bottom signal goes shallower than the shallow alarm’s setting. The deep alarm sounds when the bottom signal goes deeper than the deep alarm’s setting.
ZONE ALARM
The zone alarm only works on the 2D chart or 2D FasTrak view. Any echo that passes inside the zone alarm’s bar sets it off. To adjust the zone alarm, first press the MENU key, then press the key next to the "Alarms" label. Now press the key next to the "Zone Alarm" label. A new menu appears at the bottom of the screen. Finally, press the key next to the "Accept"
label. The screen shown above appears.
The zone alarm’s bar appears on the right side of the screen. Adjustment menus show in the middle of the screen. Press the up or down arrow keys to move the bottom of the zone alarm bar up or down. To adjust the top of the zone alarm bar, first press the key adjacent to the "Adjust Upper" label. After setting the zone alarm bar, press the CLR key to erase the menus and bar or wait a few seconds and they will automatically clear. (You can turn the zone alarm’s bar on continuously. See the 2D View Options section for more information.)
Setting the zone alarm automatically turns it on. To turn it off, press the ALARM key, then press the key next to the zone alarm’s menu.This moves the check mark from "ON" to “OFF”. Press the CLR key to exit the alarm menu.
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