Filter
Top Products
sensitivity
in
any way.
This
patented
design
is
exclu-
sive with Lowrance. However,
with
high suppression settings,
the
graph
record becomes
coarse and
the
ability
to
separate
fish from
the bottom or from other
fish will
be decreased.
(See Figure
9
&1O.)
Therefore,
the lower the
suppression selling,
the better.
Advance the knob
setting only
as
far as
necessary
to remove the er-
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Figure
35
STYLUS
BELT REPLACEMENT
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 and the
platen
to
expose
the
stylus
belt.
3. The
stylus
belt
rides over two
wheels located at the
right
edge
of the
platen
assembly.
Refer to
Figurel
on
page2.
Move the front
of the belt
DOWN
to
position
the
stylus
at
the center
of the
platen.
4.
Grasp
the belt at the
stylus
holder with the thumb and
forefinger
and move it
gently
ratic,
unwanted noise marks. Most
of the time at low or
trolling
speeds,
no
suppression
will be
necessary.
Figure
7
ppj
P
Vp fl
'a L2
Figure
9 suPPRESSION:
TOO HIGH
Figure
33
Figure
34
1L1
as
42
Figure
8
Figure
10 PROPER
SETtING
Paper Speed
Control
This knob
adjusts
to
speed
of
the chart
paper.
For
good
detailed
graphs,
in shallow
to medium
depths,
turn the
paper speed
con-
trol
up
to at
least the ¾
position
when
trolling.
This will show
prop-
APPROXIMATE
PAPER SPEED
Without
Alternate fransmit and Print
LOWER
LIMIT
Minimum
Paper Speed
Maximum
Paper
Speed
Inches Hours Inches
Hours
RANGE
(feet)
10-120
Per Mm Per Roll Per Mm
Per Roll
1.0 10 2.35
4.25
130-510
0.5 20
1.4 7.14
520-830
0.15 66 0.75
13.3
Below
840 0.15 66
0.75 13.3
N-
Figure
36
to the
left while
pushing
the
belt off
the wheels with the
other
forefinger. (See
Figure
36.)
5.
Position the new belt on
the
15
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