Select [4. ALARM] → [3. FISH ALARM] in
Menu 2.
：High sensitivity mode to detect small
fish schools.
：Low sensitivity mode to detect only big
fish schools.
OFF ：Fish alarm is OFF.
Alarm is ON when the fish is detected.
1
※
1
）
It may show the objects other than fish.
※
2
）
Fish alarm is only effective for right or upper display when using dual
fre
uencies.
Battery Alarm
S
1
elect [4. ALARM] → [4. BATT ALARM] in
Menu 2.
1
2V ：Alarm is ON when the battery is 10V or
less. Voltage display blinks.
24V ：Alarm is ON when the battery is 21V or
less. Voltage display blinks.
OFF ：Alarm is OFF.
Alarm is ON when the battery voltage drops.
※
Press key to stop alarm. However, blinking of battery display does not
stop. Also, alarm is ON once the voltage goes outside of the condition and
return to the alarming condition again.
Fish school
Fish Alarm
S
1
elect [5. OTHERS] → [1. UNIT SET] →
[1.TEMP UNIT] in Menu 2.
S
elect [TEMP UNIT], (℃ ・ ˚F)
Select “℃” or “F”.
2
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