Lowrance electronic M56 GPS Receiver User Manual


 
45
3. Press or until the depth is correct, then press
ENT.
4. Press to
SHALLOW ALARM ENABLED|ENT|EXIT.
5. To turn off the alarm, press
MENU|MENU| to ALARMS|ENT| to
SONAR ALARMS|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 ALARMS|ENT| to SONAR ALARMS|ENT.
2. Press to
DEEP ALARM DEPTH|ENT.
3. Press or until the depth is correct, then press
ENT.
4. Press to
DEEP ALARM ENABLED|ENT|EXIT.
5. To turn off the alarm, press
MENU|MENU| to ALARMS|ENT| to
SONAR ALARMS|ENT| to DEEP ALARM ENABLED|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 ALARMS|ENT| to SONAR ALARMS|ENT.
2. Press to
ZONE ALARM ENABLED| to ADJUST ZONE|ENT.
At left, Sonar Alarms menu, with Adjust Zone command selected.
At right, Adjust Zone Alarm selection box, with Upper Limit selected.