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Speed
120'-490' Medium
Fast
Paper Speed
500'-790'
Mediurri Slow
Paper Speed
Slowest
Paper
Speed
The chart
paper may
be slowed
even further
by adjusting
the
pa-
per speed
control.
Remember,
if
gaps
in the record
appear,
turn the
paper speed
down until a
solid
reOord is achieved. The
paper
speed may
also be slowed when
not
looking
for fish or to
simply
conserve
paper.
For more informa-
tion about
saving paper,
read the
Alternate Transmit
and Print func-
tion in the Advanced
Operation
section.
the control too far or it will
gray<
line on the
target completely,
showing
no
black,
which makes
the
target
difficult to see.
RANGE
The
rangQ
function utilizes the
keyboard
to select
any range
be-
tweenO-10' and 2540'-2550'.
Please read this section
carefully
to
get
the most out of
your
X-i5Bs
range capabilities.
Lower Limit
When
you
first turn on the
X-15B,
the
range
will be 0-60 feet.
(See
Figure
is.)
To
change
to
a
deeper range,
simply press
the desired
depth
on
the
keyboard,
and then
press
the
LOWER
LIMIT
key.
STYLUS REPLACEMENT
er fish arches at low
speeds
and
keeps high speed
information from
being compressed.
The
paper
speed
should be turned
down
when
using
the unit in
deep
water.
This will
prevent gaps
from
ap-
pearing
in the record. In
fact,
the
microcomputer
will
autpmatically
slow the
maximum
speed
of the
chart
paper
when
operating
in
deep
water.
The
chart below
gives
the
points
where the maximum
speed
of the
paper
is slowed.
RANGE
PAPER SPEED
iO'-ilO'
Fastest
Paper
r
-
12
.,'-,
.'
• '2M
(
k
,
a
/'
p r
r
800' &
Below
CAUTION
—
High voltage
is
pre-
sent in the electronic
section
when the unit is turned
on.
.1. TURN THE UNIT OFF.
2. Release
both
catches on the
top
of the case. Pull out
and
down on the
top
of the case
front to
expose
the
stylus
belt.
(See Figure
25.)
3. The
stylus
belt rides over two
wheels located at the
right
edge
of the
platen
assembly.
Move the
front of the belt
DOWN
to
position
the
stylus
at
the center of the
platen.
4. Hold the
stylus
belt
stationary
with one
finger,
and
remove
the old
stylus
by starting
at its
left
edge
and
moving
it out
from under
the tabs on the
Cty-
lus holder.
5. Before
installing
the new
sty-
lus,.
be sure it
is bent
properly
by
comparing
it to
Figure
33.
6. Refer to
Figure
34 to be sure
the
new
stylus
is
positioned
correctly
under the tabs on
the
holder. Be sure it moves
freely
in the two slots. If
not,
bend
the
stylus
away
from the
edge
it is
rubbing
on until it does
move
freely.
7. After
installing,
if
the
stylus
won't
print
all the
way
down
the
paper
as shown in
Fig-
ure
35,bend
the
right leg
down
so that more
pressure
is ex-
erted
against
the stainless
steel
plate.
If
it
still does not
print
all the
way,
bend the left
leg
down
more
(but
not so far
that it
digs
into
the
paper).
8. Close the front of
the case.
Latch both catches on the
top
of the case.
2b .
Figure
12
GRAYLINE "ON"
Figure
32
GRAYLINE CONTROL
The
GRAYLINE
function can be
used to outline the bottom contour
which
might
otherwise
be
hidden
beneath trees and
brush;
it can
also
give
clues to the
composition
of the bottofti. A hard bottom re-
turns a
very strong signal causing
a wide
gray
line. A
soft, muddy
or
weedy
bottom returns a weaker
signal
which is
emphasized
with a
narrow
gray
line. Do
not advance
14
7
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