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 &
10.) Therefore,
the
lower the
suppression
setting,
the better.
Advance
the knob
setting only
as
far
as
necessary
to remove the
er-
ratic, unwanted noise
marks.
Most
of
the time
at low or
trolling
speeds,
no
suppression
will be
necessary.
IIIF Ft
I!
tlI
j'I tLiLI ik II
Figure
9
SUPPRESSION: TOO HIGH
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-
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 cage
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
Figure
1
on
page
2.
Move the front
of the belt
DOWN to
position
the
stylus
at
the
center of the
platen.
4.
drasp
the belt at the
stylus
holder
with the
thumb and
forefinger
and move it
gently
Figure
36
to
the left while
pushing
the
belt
off the
wheels with the
other
forefinger. (See
Figure36.)
5. Position
the new
belt on the
Figure 33
Figure
7
Il-I
Figure
34
29
10
Figure
8
U
LI
r
,.
''
.
rift
Figure
10
PROPER SETrING
Figure
35
APPROXIMATE
PAPER SPEED
Without
Alternate
Transmit and Print
Minimum
Maximum
LOWER
Paper
Speed
Paper Speed
LIMIT
Inches
Hours
Inches
Hours
RANGE
(feet)
Per Mm
Per Roll
Per Mm
Per Roll
10-120
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
15
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