Specifications

TABLE
OF CONTENTS
energy
from the
transmitter into
ultrasonic sound waves.
When a return
echo strikes
the
transducer,
it converts
the sound waves
into electrical
energy
which is received
and
displayed
by
the sonar unit.
INTRODUCTION
1
POWER CONNECTIONS
2
TRANSOM MOUNT -A method
of
mounting
transducers
or othersensors
NOISE
3
on the
transom of the boat.
TRANSDUCER
3
DPLAY INTERPRETATION
UPPER/LOWER
LIMIT-These
arethe
range
limits
displayed
onthe sonar
OPERATION
7
screen or
paper.
The
upper
limit is shown
at the
top
of the
display1
while
ON
7
the lower limit is at the bottom.
For
example,
a 20
to so foot
range
has 20
7
feet as the
upper
limit and 30 feet as
the lower limit.
sENsirivirY-MANuAL
OPERATION 7
AUTOMATIC SENSITIVITY
VIDEO GRAPH
-
A sonar unit that uses
a CRY or television
type display.
CHART SPEED
9
SCALE
10
WINDOW
-
A
segment
of
the
depth
range.
For
example
an
upper
limit of
LOWER LIMIT
20 feet and a lower limit of 50
feet creates a 30 foot
window.
ZOOM
12
AUTO BOTTOM TRACKING
12
ZOOM
-
A feature that
enlarges targets
on the
display.
GRAYLINE
13
DIGITAL
14
ALARMS
15
ZONEALARM
15
FISH ID.
16
LIGHT
17
COMMAND
17
MENU #1
-
FISH SIZE 16
MENU #2
-
SURFACE
CLARITY CONTROL
-
SCC
19
MENU #3
-
DISCRIMINATION
20
MENU#4-SPEAKERVOLUME
21
MENU #5
-
FEET, FATHOMS,
METERS
22
MENU
#6
-
DIGITAL DISPLAY
22
MENU #7
-
OIGITAL SIZE
23
MENU#B-TENTHS
23
MENu#9-DIGITALAvERAGING
24
MENU
#10-FAST
SCROLL 24
MENU #11
-ZONE BAR 25
MENU
#I2-SHALLOWALARM
25
TRANSDUCERS AND CONE ANGLES
26
SIGNAL INTERPRETATION
27
FISH SIGNALS 2e
WATER TEMP. AND THERMOCUNES
29
SURVEYING A LAKE
31
BAIT FISH
32
HOW TO OBTAIN SERVICE 32
SCHEMATIC AND PARTS L(ST
32
SPARE PARTS
33
SPECIFICATIONS
33
GLOSSARY 34
37
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