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To adjust and turn on the shallow alarm:
1. Press ALARM|→ to SHALLOW ALARM DEPTH|ENT.
2. Press ↑ or ↓ to change the first number, then press → to move the
cursor to the next number and repeat until the depth is correct, then
press
ENT.
3. Press ← to
SHALLOW ALARM ENABLED|ENT|EXIT|EXIT|EXIT.
4. To turn off the alarm, press
ALARM|ENT|EXIT|EXIT|EXIT.
To switch to a different depth setting, open the Sonar Alarms menu and
repeat the instructions in step 3 above.
To adjust and turn on the deep alarm:
1. Press ALARM|↓ to DEEP ALARM ENABLED|→ to DEEP ALARM DEPTH|ENT.
2. Press ↑ or ↓ to change the first number, then press → to move the
cursor to the next number and repeat until the depth is correct, then
press
ENT.
3. Press ← to
DEEP ALARM ENABLED|ENT|EXIT|EXIT|EXIT.
4. To turn off the alarm, press
ALARM|↓ to DEEP ALARM EN-
ABLED
|ENT|EXIT|EXIT|EXIT.
To switch to a different depth setting, open the Sonar Alarms menu and
repeat the instructions in step 3 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 ALARM|↓ to ZONE ALARM ENABLED|→ to ADJUST ZONE|ENT.
2. 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.
3. 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.