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3. Press ↑ ↓ to change the first number, then press → to move the cur-
sor to the next number and repeat until the depth is correct. Press ENT.
4. Press ← to SHALLOW ALARM ENABLED|ENT. To turn on the alarm, high-
light the SHALLOW ALARM ENABLED box and press ENT.
To adjust and turn on the deep alarm:
1. From the Sonar Alarms menu, press ↓ to DEEP ALARM ENABLED|→ to
DEEP ALARM DEPTH|ENT.
2. Press ↑ ↓ to change the first number, then press → to move the cur-
sor to the next number and repeat until the depth is correct. Press ENT.
3. Press ← to DEEP ALARM ENABLED|ENT. To turn on the alarm, highlight
the DEEP ALARM ENABLED box and press ENT.
Zone Alarm
The zone alarm is triggered when any echo passes inside the zone
alarm bar, shown on the right side of the screen.
To adjust and turn on the zone alarm:
1. From the Sonar Alarms menu, press ↓ to ZONE ALARM ENABLED|→ to
ADJUST ZONE|ENT.
Sonar Alarms menu with Adjust Zone command selected (left).
Adjust Zone Alarm selection box with Upper selected (right).
2. To set the upper boundary for the Zone Alarm, use ← → to select
UPPER, then press ↑ ↓ to move the top of the bar to the desired depth.
3. To set the lower boundary for the Zone Alarm, use ← → to select LOWER,
then press ↑ ↓ to move the bottom of the bar to the desired depth.
4. Press EXIT|← to ZONE ALARM ENABLED|ENT. Now, any echo — fish, bot-
tom, structure — within the zone alarm's depth range will trigger the
zone alarm. To turn off the alarm, highlight the ZONE ALARM ENABLED box
and press ENT.