Eagle Electronics FISHMARK 640C - Manual (Page 62)

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3. Press
← to Shallow Alarm
E
NABLED
| 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
E NABLED
|
→ |
D EPTH
| 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
E NABLED
| ENT | EXIT .
4. To turn the alarm off press ALARM |
↓ to Deep Alarm
E NABLED
| 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
E NABLED
|
→ to
A DJUST Z ONE
| ENT .
2. To set the upper boundary for the Zone Alarm, use
← or→ to select
U PPER L IMIT
, 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
L OWER L IMIT
, then press
↑ or ↓ to move the bottom of the bar to the desired
depth.