58
Sonar Features selected (left). In the Sonar Features menu, Noise Rejec-
tion is selected with ASP in the default low setting (right).
To change the ASP level:
1. From the Sonar Page, press
MENU
|
↓
to
S
ONAR
F
EATURES
|
ENT
.
2. Press
↓
to
N
OISE
R
EJECTION
|
ENT
.
3. Press
↓
or
↑
to select a setting, then press
ENT
.
4. To return to the previous page, press
EXIT
|
EXIT
.
Alarms
This unit has three different types of sonar alarms. The first is a Fish
Alarm. It sounds when the Fish I.D.
feature determines an echo is a fish.
Another alarm is the Zone Alarm, which consists of a bar on the side of the
screen. Echoes that appear inside the range of the bar trigger the alarm.
The last alarm setting is the Depth Alarm, which has both a Shallow
and a Deep setting. Only the bottom signal will trigger this alarm. This
is useful anchor alert, a shallow water alert or for navigation.
Depth A
l
arms
The depth alarms sound a tone when the bottom signal goes shallower
than the shallow alarm's setting or deeper than the deep alarm's set-
ting. For example, if you set the shallow alarm to 10 feet, the alarm will
sound a tone if the bottom signal is less than 10 feet. It will continue to
Summary of Contents for CUDA 250i S/Map
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