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LCHART p
SLOW
STOP
I
FAST
RESUME
For
example,
the 9
key
has a small label
beneath the number nine that
says
"LIGHT". If
you press
the 9
key by
itself,
the X-3
thinks that
you
want
the number 9.
However,
if
you press
the 2nd
key first,
then
press
the nine
key,
the X-3 will turn on
the
lights
in the
display.
The
2nd
key just
reas-
signed
the
meaning
of the 9
key
from a 9 to LIGHT
7
28
1
A
knowledge
of the water
temperatures
various fish
prefer,
and in which
they usually remain, helps you get
the most
from
your
X-3. To find the dif-
ferent
temperatures,
a
surface
temperature meter,
such as the
LDT-3000 is a valuable aid to
your fishing.
This unit
provides
an
extremely quick response
to
identifying
the desired surface water
temperatures
for various
species.
The
temperature
of water in the lake is seldom constant from
top
to bot-
tom.
Layers
of different
temperatures form,
and the
junction
of a warm
and cool
layer
of water is called a thermocline. The
depth
and thickness
of the thermocline can
vary
with the season or time of
day.
In
deep
lakes
there
may
be two or more at different
depths.
Thermoclines are
important
to fishermen because
they
are areas where fish are active.
Many
times
bait
fish will be above the thermocline while
larger game
fish will sus-
pend
in or
just
above it
The X-3 can detect
this invisible
temperature layer
in the
water,
but the
sensitivity
will
probably
have to be turned
up
to see it
CHART SPEED
When
the X-3 is first turned
on,
the
chart
speed
runs at a
pre-determined
speed.
If a
higher
speed
is
desired,
press
and hold the FAST
key
in the
chart
section of the
keyboard
until it runs at the
desired
speed.
To slow
the
display,
press
and hold the SLOW
key.
Whenever either of these
keys
are
pressed,
the
sensitivity
bar at the
top
of
the
display
will
change
to a
dashed line. This
now
represents
the chart
speed.
If
you press
and hold
the
FAST
key, foräxample,
the bar will start
moving
to the
right, signifying
that the chart
speed
is
increasing.
There are
thirty
two
steps
of chart
speed. By holding
either the FAST or SLOW
keys,
the
display
can be
speeded up
or
slowed down. When the horizontal
barreaches the far
right
side of the
screen,
the chart
speed
is at
its maximum value. The X-3
will
"chirp" signifying
that the maximum chart
speed
has been reached.
CHART
,-
SPEED
-
uuuo flUID 111111111
BAR
jj
Figure
5
At
times it is desirable to
stop
or "freeze"
the
display
to examine an echo.
Pressing
the STOP/RESUME
key
once wil
freeze the
display.
While the
display
is
stopped,
the
very top
of the
surface line will flash on and off
to
signify
that the unit is in the freeze mode.
Pressing
STOP/RESUME
again
will start the
display moving
at the last chart
speed
setting.
[2ND]
2ND KEY
The X-3 has
many
different
functions, but
only
a limited amount of
space
for
keys. Therefore,
some of the
keys
have
more than one function. The
key's
primary
function
is
printed very large,
while the
secondary
function
is
printed
underneath with small letters of a
different color. The
key
in the
middle of the
bottom row labeled 2nd must be
used to access the
secondary
functions of the
keys.
"WI
AUTO.
111—----
4.
A
=
:
rn
Ut'
—THERMOCLINE
Figure
24
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