Lowrance electronic LMS-520C, LMS-525C DF

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.

5. To turn off the alarm, press MENU|MENU|↓ to ALARMS|ENT|↓ to SO-

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:

2. Press ↓ to DEEP ALARM ENABLED|→ to DEEP 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 DEEP ALARM ENABLED|ENT|EXIT|EXIT|EXIT.

5. To turn off the alarm, press MENU|MENU|↓ to ALARMS|ENT|↓ to SO-

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:

2. Press ↓ to ZONE ALARM ENABLED|→ to ADJUST ZONE|ENT.