![](/images/new-backgrounds/1255683/255683135x1.webp)
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.
Sonar Alarms menu with Fish Alarm selected. The checkbox is blank,
indicating the alarm is turned off.
To turn the fish alarm on:
1.Press MENUMENU↓ to ALARMSENT↓ to SONAR ALARMSENT.
2.Press ↓ to FISH ALARMENTEXITEXITEXIT.
3.To turn off the alarm, press MENUMENU↓ to ALARMSENT↓ to
SONAR ALARMSENT↓ to FISH ALARMENTEXITEXITEXIT.
Calibrate Speed
The speed sensor can be calibrated to compensate for inaccuracies. Before you change the setting, first calculate the percentage that the speed is off. You will enter this percentage in a moment.
For example, if you figure the sensor is reading 10 percent faster than
60