Eagle Electronics Z-9500 Fish Finder User Manual


 
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is shown with a narrow or no
gray
line. A hard bottom returns a
strong
signal
which causes a wide
gray
line.
It
you
have two
signals
of
equal
size,
one with
gray
and the other
without,
then the
target
with
gray
is the
stronger signal.
This
helps
distinguish
weeds from trees on the
bottom,
or fish from structure.
GRAYLINE is
adjustable.
Since GRAYLINE shows the difference be-
tween
strong
and weak
signals, adjusting Sensitivity may require
a
different GRAYLINE
level,
also. The level chosen
by
the Z-9500 at
power
on is
usually adequate
for most conditions.
Experiment
with
your
unit to find the GRAYLINE
setting
that's best for
you.
To
adjust
GRAYLINE,
press
the SENS
key.
The
sensitivity
menu
appears
in the
upper
left side of the
display,
while the GRAYLINE label
appears immediately
beneath it.
Next,
press
the
key adjacent
to the
"Gray."
label. This
changes
the
sensitivity adjust
menu to GRAYLINE
adjust
and the GRAYLINE label to
Sensitivity.
Now
press
the
key
adjacent
to the
up
arrow to increase the GRAYLINE level Press the
key adjacent
to the down arrow to decrease it. The number in the
menu's lower left corner
gives
the current GRAYLINE level. The bar
chart also
gives
a
graphical
indication of the GRAYLINE level. You can
see the
change
on the screen
(both
on
the menu and on the chart
record)
as
you
press
the
keys.
After
you've
made the
adjustment,
press
the
key adjacent
to the CLEAR label to erase the menu.
9
Gray.
Sens.
Clear
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