Lowrance electronic LCX-104C - Manual (Page 64)

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4. To set the lower boundary for the Zone Alarm, use
← or→ to select
L OWER
, then press
↑ or ↓ to move the bottom of the bar to the desired
depth.
5. Press EXIT |
← to
Z ONE A LARM E NABLED
| ENT | EXIT | EXIT | EXIT . Now, any
echo — fish, bottom, structure — within the zone alarm's depth range
will trigger the zone alarm.
6. To turn off the alarm, press MENU | MENU |
↓ to
A LARMS
| ENT |
↓ to
S ONAR A LARMS
| ENT |
↓ to
Z ONE A LARM E NABLED
| ENT | EXIT | EXIT | EXIT .
To switch to a different depth setting, open the Sonar Alarms menu and
repeat the instructions in steps 3 and 4 above.
Fish Alarm
Use the fish alarm for a distinctive audible alarm when fish or other
suspended objects are detected by the Fish I.D.
 feature (Fish I.D.
must be turned on for the Fish Alarm to work). A different tone sounds
for each fish symbol size shown on the display.
Sonar Alarms menu with Fish Alarm selected. The check box to
the left is blank, indicating the alarm is turned off.
To turn the fish alarm on:
1. Press MENU | MENU |
↓ to
A
LARMS
| ENT |
↓ to
S
ONAR
A
LARMS
| ENT .
2. Press
↓ to
F ISH A LARM
| ENT | EXIT | EXIT | EXIT .
3. To turn off the alarm, press MENU | MENU |
↓ to
A
LARMS
| ENT |
↓ to
S
ONAR
A
LARMS
| ENT |
↓ to
F
ISH
A
LARM
| ENT | EXIT | EXIT | EXIT .
Calibrate Speed
The speed sensor can be calibrated to compensate for inaccuracies. Be-
fore you change the setting, first calculate the percentage that the
speed is off. You will enter this percentage in a moment.