Lowrance electronic LMS-339cDF iGPS GPS Receiver User Manual


 
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4. Press to
SHALLOW ALARM ENABLED|ENT. Press EXIT repeatedly to get
back to the main page display.
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 to change the first number, then press to the next number
and repeat until the depth is correct, then press
ENT.
4. Press to
DEEP ALARM ENABLED|ENT. Press EXIT repeatedly to get back
to the main page display.
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
ADJUST ZONE|ENT.
Sonar Alarms menu with Adjust Zone command selected (left).
Adjust Zone Alarm selection box with Upper selected (right).
3. To set the upper boundary for the Zone Alarm, use to select
UPPER, then press to move the top of the bar to the desired depth.
4. To set the lower boundary for the Zone Alarm, use to select
LOWER,
then press to move the bottom of the bar to the desired depth.
5. Press
EXIT| to ZONE ALARM ENABLED and press ENT. Press EXIT re-
peatedly to get back to the main page display. Now, any echo — fish,
bottom or structure — within the zone alarm's depth range will trigger
the zone alarm.