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At left, Sonar Alarms menu, with Adjust Zone command selected.
At right, Adjust Zone Alarm selection box, with Upper Limit selected.
3. To set the upper boundary for the Zone Alarm, use ← or→ to select
UPPER. Press ↑ or ↓ to move the top of the bar to the desired depth.
4. To set the lower boundary for the Zone Alarm, use ← or→ to select
LOWER Press ↑ or ↓ to move the bottom of the bar to the desired depth.
5. Press
EXIT|← to ZONE ALARM ENABLED|ENT|EXIT|EXIT|EXIT. Now, any
echo — fish, bottom, structure — within the zone alarm's depth range
will trigger the zone alarm.
6. To turn off the alarm, press
MENU|MENU|↓ to ALARMS|ENT|↓ to SO-
NAR
ALARMS|ENT|↓ to ZONE ALARM ENABLED|ENT|EXIT|EXIT|EXIT.
To switch to a different depth setting, open the Sonar Alarms menu
and repeat the instructions in steps 3 and 4 above.
Sonar Alarms menu with Fish Alarm selected. The check box
to the left is checked, indicating the alarm is turned on.
Fish Alarm
With Fish I.D. turned on, the fish alarm will sound a tone when a fish
symbol or other suspended objects appear on the display.