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to distinguish from fish. You may see Fish I.D. symbols on the screen
when actually, there are no fish. Practice with the unit in both the Fish I.D.
mode and without to become more familiar with the Fish I.D. feature.
When the X-70A 3D is turned on, the Fish I.D. feature is automatically
turned on, also. To turn the
Fish I.D. feature off, press the
MENU key, then press the key
adjacent to the “Fish ID” label.
This moves the check mark
from the “ON” to the “OFF”
box. The unit returns to the
sonar display with Fish ID off.
To turn the Fish I.D. feature on
again, repeat the above steps.
The menu immediately disap-
pears and the sonar screen
returns. In the 2D mode, ech-
oes will continue to scroll
across the screen, however, the surface clutter at the top will no longer be
displayed. Any targets the microcomputer determines are fish will be dis-
played as fish symbols.
Remember, the Fish I.D. feature can’t be used when the X-70A 3D is in
the manual mode. If you turn the Fish I.D. feature on when the unit is in
manual, the microcomputer will turn the automatic feature on. If you turn
automatic off when the Fish I.D. feature is on, the Fish I.D. feature will be
turned off also.
DISPLAY CONTRAST
The unit’s display contrast is adjustable to suit different lighting condi-
tions. To adjust it, first press the MENU key. The first menu page appears.
Now press the key next to the
“Display Contrast” label. A
screen similar to the one at
right appears. Now press left
arrow key to decrease the
contrast. Press the right arrow
key to increase it. The percent-
age of contrast in use changes
as the arrow keys are pressed.
The bar chart also gives a
graphical indication of the con-
trast level. You can see the
FISH ID ON