Eagle 640c 操作指南
54
Sonar Menu (left) with Sonar Features selected. In the Sonar
Features menu (center) the SeaFinder's Noise Rejection feature is se-
lected with ASP in the default low setting. The Noise Rejection feature
(far right) is set the same in the FishMark unit.
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 the Fish
Alarm. It sounds when the Fish I.D.
Alarm. It sounds when the Fish I.D.
feature determines that an echo
is a fish.
Another alarm is the Zone Alarm, which consists of a bar on the side of
the screen. Any echo on the chart that appears inside this bar triggers
this alarm.
the screen. Any echo on the chart that appears inside this bar triggers
this alarm.
The last alarm is the Depth Alarm, which has both a Shallow and a
Deep setting. This is useful as an anchor watch, a shallow water alert
or for navigation.
Deep setting. This is useful as an anchor watch, a shallow water alert
or for navigation.