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Menus
change depending
on the mode the unit is in. For
example,
if
FISH ARCHES
the automatic mode is turned
off,
the
sensitivity
menu
changes
from
"AUTO SENS" to "MAN SENS." Other
messages
may appear
in
menu boxes or new menus can
appear, again depending
on
previous
selections.
OPERATION
Fish arches are created when the cone of sound
passes
over a fish.
The distance
to a fish when the cone first strikes it is shown
as "A"
below. When the
center of the cone strikes the
fish,
the distance is
shorter as shown "B". As the cone leaves the
fish,
the
distance
increases
again
as shown in "C".
AUTOMATIC
When the X-25
is
first turned
on,
the auto-
matic feature is enabled. This feature
automatically adjusts
the unit's
range
and
sensitivity according
to water conditions.
It
always keeps
the bottom
depth
displayed
in
the lower
portion
of the screen.
To turn the automatic feature
off,
press
the
menu
key
until the AUTO/MAN menu
appears.
Now
press
the down arrow
key.
This
highlights
the letters "MAN." The unit
is now in the manual mode.
Wait a few
seconds and the menu
will
scroll
off the
screen's left side.
Pressing
the ON/CLEAR
key
also clears it. To turn
the automatic feature on
again, repeat
the above
steps, except
this
time
press
the
up
arrow
key.
RANGE
You can't
adjust
the
range
when the X-25
is in the automatic mode. It is
adjustable
when the unit is in the manual
mode,
however. To do
so,
first
put
the unit
in
the
manual mode. Now
press
the
ON/CLEAR
key
to clear the screen. Then
press
the
menu
key
until the 'RANGE SEL" menu
appears
as shown. The current
range
shows at the bottom of the menu.
In
this
case,
the
range
is 60 feet.
Now
press
the
up
arrow
key
to decrease the
range,
the
down arrow
key
increases the
range.
After
you
select the desired
range, press
the
When the Fish ID. mode is
off,
the
depth
of the
water will affect the
size and
shape
Qf
the fish arch due to
the cone
angle
diameter. For
example,
if the cone
passes
over a
fish in shallow
water,
the
signal
displayed
on the X-25
may
not arch at all.
This is due to the narrow
cone diameter and the
resolution limitations of the
display.
19
BOATS DIRECTION OF TRAVEL
iiUTO
A B C
6
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