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At left, Sonar Alarms menu, with Adjust Zone command selected.
At right, Adjust Zone Alarm selection box, with Upper selected.
4. Press EXIT|← to ZONE ALARM ENABLED|ENT|EXIT. Now, any echo —
fish, bottom, structure — within the zone alarm's depth range will trig-
ger the zone alarm.
5. To turn off the alarm, press ALARM|↓ to ZONE ALARM
ENABLED|ENT|EXIT.
To switch to a different depth setting, open the Sonar Alarms menu and
repeat the instructions in steps 3 and 4 above.
Fish Alarm
Use the fish alarm for a distinctive audible alarm when fish or other
suspended objects are detected by the Fish I.D. feature (Fish I.D.
must be turned on for the Fish Alarm to work). A different tone sounds
for each fish symbol size shown on the display.