Справочник Пользователя для Eagle Electronics 500CDF

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At left, Sonar Alarms menu, with Adjust Zone command selected.
At right, Adjust Zone Alarm selection box, with Upper  selected.
4. 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.
5. To turn off the alarm, press 
ALARM
|
↓ 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.