Lowrance electronic M56 - Manual (Page 51)

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3. Press
↑ or ↓ until the depth is correct, then press
ENT .
4. Press
← to
S
HALLOW
A
LARM
E
NABLED
| ENT | EXIT .
5. To turn off the alarm, press MENU | MENU |
↓ to
A
LARMS
| ENT |
↓ to
S ONAR A LARMS
| ENT | ENT | EXIT .
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 MENU | MENU |
↓ to
A
LARMS
| ENT |
↓ to
S
ONAR
A
LARMS
| ENT .
2. Press
↓ to
D
EEP
A
LARM
D
EPTH
| ENT .
3. Press
↑ or ↓ until the depth is correct, then press
ENT .
4. Press
← to
D
EEP
A
LARM
E
NABLED
| ENT | EXIT .
5. To turn off the alarm, press MENU | MENU |
↓ to
A LARMS
| ENT |
↓ to
S
ONAR
A
LARMS
| ENT |
↓ to
D
EEP
A
LARM
E
NABLED
| ENT | EXIT .
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 MENU | MENU |
↓ to
A
LARMS
| ENT |
↓ to
S
ONAR
A
LARMS
| ENT .
2. Press
↓ to
Z
ONE
A
LARM
E
NABLED
|
→ to
A
DJUST
Z
ONE
| ENT .
At left, Sonar Alarms menu, with Adjust Zone command selected.
At right, Adjust Zone Alarm selection box, with Upper Limit selected.