At left, Sonar Alarms menu, with Adjust Zone command selected. At right, Adjust Zone Alarm selection box, with Upper selected.
3.To set the upper boundary for the Zone Alarm, use ← or→ to select UPPER, then 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, then press ↑ or ↓ to move the bottom of the bar to the desired depth.
5.Press EXIT← to ZONE ALARM ENABLEDENTEXITEXITEXIT. 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 MENUMENU↓ to ALARMSENT↓ to
SONAR ALARMSENT↓ to ZONE ALARM ENABLEDENTEXITEXITEXIT.
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.
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