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To adjust and turn on the deep alarm:
1. Press MENU|MENU|↓ to ALARMS|ENT.
2. Press ↓ to
SONAR ALARMS|ENT.
3. Press ↓ to
DEEP ALARM ENABLED|ENT.
4. Press ↑ to
DEEP DEPTH and press ENT.
5. Use ↑ ↓ to change the first digit, then press → to the next digit. Re-
peat these steps until the desired depth has been input. Press
ENT.
To switch to a different depth setting, open the Sonar Alarms
menu
and repeat the instructions in steps 4 and 5 above.
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. Press MENU|MENU|↓ to ALARMS|ENT|↓ to SONAR ALARMS|ENT.
2. Press ↓ to
ZONE ALARM ENABLED| ENT|↑ to ADJUST ZONE ALARM|ENT.
Sonar Alarms menu with Adjust Zone selected (left). Adjust Zone
Alarm selection box with Upper selected (right).
3. To set upper boundary for the Zone Alarm, use ← → to select UPPER,
then press ↑ ↓ to move the top of the bar to the desired depth.