Lowrance x510c ユーザーズマニュアル

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Sonar Alarms menu (left) with Adjust Zone command selected. 
Adjust Zone Alarm selection box (right) with Upper selected. 
3. To set the upper boundary for the Zone Alarm, use 
← or→ to select 
U
PPER
, then press 
↑ or ↓ to move the top of the bar to the desired depth. 
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
. Now, any echo — 
fish, bottom, structure — within the zone alarm's depth range will trig-
ger the zone alarm. 
6. To turn off the alarm Press the 
A
LARM 
key on the front of the unit or 
press
 
MENU
|
MENU
 and use 
↑ or ↓  to select Sonar Alarms, then  press 
ENT
. Press 
↓ to 
Z
ONE 
A
LARM 
E
NABLED
|
ENT
|
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.