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 ENABLEDENTEXITEXITEXIT.

5.To turn off the alarm, press MENUMENUto ALARMSENTto SO-

NAR ALARMSENTENTEXITEXITEXIT.

To switch to a different depth setting, open the Sonar Alarms menu and repeat the instructions in step 3 above.

To adjust and turn on the deep alarm:

1.Press MENUMENUto ALARMSENTto SONAR ALARMSENT.

2.Press to DEEP ALARM ENABLEDto DEEP ALARM DEPTHENT.

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 DEEP ALARM ENABLEDENTEXITEXITEXIT.

5.To turn off the alarm, press MENUMENUto ALARMSENTto SO- NAR ALARMSENTto DEEP ALARM ENABLEDENTEXITEXITEXIT.

To switch to a different depth setting, open the Sonar Alarms menu and repeat the instructions in step 3 above.

Zone Alarm

The zone alarm is triggered when any echo passes inside the zone alarm bar, shown on the right side of the screen.

To adjust and turn on the zone alarm:

1.Press MENUMENUto ALARMSENTto SONAR ALARMSENT.

2.Press to ZONE ALARM ENABLEDto ADJUST ZONEENT.

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Lowrance electronic LMS-525C DF, LMS-520C manual Zone Alarm