Eagle FISHMARK 640C - Zone Alarm

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3. Press ← to Shallow Alarm
ENABLED|ENT|EXIT.
4. To turn the alarm off press
ALARM|ENT|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|→ |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
ENABLED|ENT|EXIT.
4. To turn the alarm off press
ALARM|↓ to Deep Alarm
ENABLED|ENT|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 LIMIT, 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 LIMIT, then press ↑ or ↓ to move the bottom of the bar to the desired
depth.