This manual contains very important information on the installation,
operation, and maintenance of your new equipment. In order td get the best
results in operation and performance, please take the time to read this
manual thoroughly.
**-**
This
device is only an aid to
jlktors
improper handling or use. It is the
prudence andnavi@ionaljudgment, and thisdevice shouldnot be relied upon
as a
including
substUejb,r
IMPORTANT NOTICE
navigation.
equipmentfre
such prudence and judgment.
Its accumcy can be
ordeficts, environmental conditions, and
user’s nzsponsibility
*******
a&ted
to
e.wcise
FIRST EDITION
April, 1993
by
common
many
RAYTHEON MARINE COMPANY products are supported by a network of Authorized Service Representatives. For information on Raytheon
products and services, contact any of the following regional offices:
UNITED
STATES . . . . . . . . . . . .
Raytheon Marine Company
46 River Road
Hudson NH. 03051
Telephone: (603) 881-5200
Raytheon Marine Company
1521 So. 92nd Place
Seattle, Wa. 98108
Telephone: (206) 763-7500
which combines the most useful fishing display modes in 8 or 16 bright
colors together with GPS or other external Navaid data.
The V8010 provides simple and direct access to your navigation and
fishfindingdata using simple on-screen menus and one -button operations.
The Fishfinding modes include STANDARD displays of fish and the bottom
profile using either the 200,50, or 28Khz 1000 watt transmitters. There’s a
split-screen display of both the 200, and 50 (or 28) Khz frequencies together
called
trackingtogether.The
presentations for a better look at the fish in mid-water or on the sea bottom.
Plot tracker records your vessel’s track to destinations so you can trace the
path back home again. The Plot Tracer cursor helps spot the surface
temperature break points on the plotter so you can
and the fish. When the Raystar 100 GPS sensor is connected. automatic
satellite acquisition and tracking lets the
GPS mode turn the
navigation system
STDISTD
Graphic plotting and
We think you’ll appreciate the unit’s large 8” display
mode which provides best views of fish detection and bottm
ZOOMand~~TT~~~~~~modesmagnifyyourdepth
CD1
displays steer you to waypoints efficiently. The
V8010
into a full
Vii010
find
Color Fishfin-
the warm currents
Although we could go on describing
the exciting new features such as Multi-
color
Electronic Charting option, we’re sure
that you will enjoy will discovering and
using the many new features found in
your new
A-SCOPE,
V8010.
SeaTalk or the
Raychart
INTRODUCTION 1
1.2 ABOUT THIS MANUAL
This manual contains important information to help you get the best
operation and performance from your new
V8010.
Although the unit is
pretty simple to master, please take the necessary time to read through the
each section.
In the event that you are using a GPS or a fishtinder for the first time, this
Introduction contains a brief discussion on the general principles of
finding and, if you’ve added the
V8010
system, a brief description of how the GPS satellite system works is
Raystar
100 GPS sensor option to your
included.
Section 2 contains very important information on the proper installation
of your new
V8010
Color Fishlinder/Plotter/Navigator. Although the typical installation might seem straight forward and simple, we highly recommend that this section be read
thoroughly
and the guidelines for installation
be closely followed to obtain trouble-free and efficient operation of your
new unit.
fish-
Section 3 contains the operating instructions for the
V8010
Color
Echosounder and will guide you through the unit’s operating controls and
display layouts. To more easily recognize how to enable the various operations, the names of keys that must be pressed to corn lete the described
operation are enclosed in boxes, such as
I-,
or
RANGE
rf
.In most cases,
pictures, showing the correct displays for the desired entry, are included
next to each function.
Some of the functions appear on the screen in temporary menus or boxes
whenever the blue keys such as
m
or
ml
are pressed. Numeric
values appearing in the boxes can be changed by pressing the UP or DOWN
direction keys. Other menu functions are enabled when the corresponding
‘softkey” is pressed.
The best way to learn about your
V8010
is to dive right in. You can’t
damage the unit by randomly pressing keys. So don’t be afraid to experiment. If at any time the results appear confusing, just push
themkey
and start again.
Section 4 contains some technical information on the Basic Care and
Maintenance for your unit. In the event that your
V8010
should ever
INTRODUCTION 2
experience an operational failure, it is recommended that all repair services
be provided by an authorized Raytheon service dealer or by the Raytheon
Factory Service Center.
Before proceeding, please take a few moments to fill out the Warranty
Registration Card located behind the front cover of this manual. Then
return the card to Raytheon Marine Company. No postage is required
card is mailed in the U.S.A.. This card must be returned to assure the
registration of the warranty for your unit.
1.3
ECHO SOUNDING GENERAL INFORMATION
An echo sounder is a device which transmits an ultrasonic energy wave into the
water; listens for echoes from that ultra-
-:
TRANSDUCER
sonic wave and then displays the returning
echoes onto the LCD panel or CRT video
display. The elapsed time that it takes for
ENERGY WAVE
the pulse energy to travel down through
the water and be reflected back as echoes
can be measured and converted into units
of depth in the echo sounder.
ifthe
The frequency of this “ultrasonic” wave, the beam angle at which it is
transmitted, and the power at which it is sent will all
play
an important part
in determining the appearance of the echoes on the display.
The normal components of an echo sounder are a display unit containing
the electronic circuits, and a transducer for sending and receiving the sonic
energy. The echo sounder is one of the most useful pieces of electronic
equipment aboard a boat. In addition to indicating the depth of the water,
it can indicate whether the bottom is hard or soft, smooth or irregular in
contour and
whether
fish are present below the boat.
Echo returns from the bottom, from fish or fish schools, seaweed, grass,
bubbles, or plankton are received by the echo sounder in various echo
strengths. The bottom echo is usually the strongest echo return while
returns from fish are generally very weak. In color echo sounders, such as
the
V8010,
these different echoes are displayed in distinct colors (up to 16
colors can be used) for easy recognition by the operator. Whether fish
INTRODUCTION 3
echoes are displayed on the echo sounder (or not) can depend on several
factors including:
*The type or species of the fish
l
Number and sires of the fish
l
Depth of fish below the boat
l
Gain control setting
*Transmitter Power and frequency
l
Transducer beam angle
l
Speed of the boat
l
Turbulence in the water
1.3.l
DETERMINING
To understand how bottom conditions affect the bottom echo’s appearance on the display, consider the signal transmitted from the transducer as
a cone-shaped beam of approximately 10 degrees. If the sea bottom were
as hard and flat as a mirror, only the signal directly under the transducer
would be reflected back to the transducer, and there would be a narrow
bottom echo line printed on the display screen.
BOTTOM
CONDITIONS
1 Hard
Bottom (Sand]
.
1
1
Soft(Mud] Bottom
/
_,
Rock
[Live]
Bottom
H
This type of echo line is typical characteristic of hard sandy sea bottoms.
Sometimes when the depth is shallow and the bottom is
echo can appear at exactly double the depth of the true bottom echo.
If the sea bottom is softer (sea grasses or muddy), the echo bottom line
would print thicker on the screen. This is because the echo consists not only
of that weaker echo reflected from the top surface of the grass or mud, but
very hard
,a second
IN’I’BODUCTION
4
includes some energy that penetrates into the grass
, soft
sand, or mud and
then reflects back to the transducer slightly delayed in time. Under some
conditions, the sonic energy is strong enough to penetrate the soft bottom
and show a harder sub-botton such as an oyster beds or ledges.
If the sea bottom is made up of coral beds, wrecks, or rock piles, the
irregular surfaces of the bottom structures provide a series of closely spaced
echo returns from the various angles of the bottom. On screen, the bottom
line appears irregular with long tails as shown in the “Live Bottom”
figure.
Generally, these bottom conditions provide an ideal habitat for locating
fish.
On your display the echoes are printed on the CRT screen beginning at
the right edge adjacent to the range scale marks. Each time the echo
sounder transmits and receives, the new echoes replace the old echoes at
the right edge and the picture is
shifted
to the left. You can see the received
echoes even more clearly when you turn on the A-Scope feature of the
V8010.
that you have passed over
Eventually a historical
lYll
picture of the bottom contour
the screen.
and
fish echoes
The
V8010
SOKhz,
quency
operates at either 200 Khz,
or 28Khz. The 200 Khz fre-
uses a 6O beam angle to provide
excellent detection of small fish and
high resolution of bottom detail. The
SOKhzprovides
tern with its wider
a larger fish search pat-
12’
x
18’
beam angle
and deeper depth bottom tracking. The
28Khz frequency is best for fish search
and bottom detection in
water using a 20’ x
27’
beam.
very
deep
The Operation section describes how the various controls can be set for
optimum performance. So, please take the time to read the Operation
section thoroughly so you can always get the best results from the
1.4 GPS GENERAL INFORMATION
V8010.
The Navstar/GPS system is a satellite-based radio navigation system de-
signed to provide global, continuous 24 hour-per-day all weather, accurate
position data for navigators worldwide.
KNTRODUCTION 5
The GPS (GlobalPositioning System) is based
on a GPS receiver’s ability to accurately measure the propagation time of signals transmitted
from orbiting satellites.
These satellites transmit accurately timed signals along with a navigation message containing
the satellite’s position, precise time correction
signals, as well as almanac data for all of the
satellites in the constellation.
The
RAYSTAR
100
GPS sensor measures the time-of-arrival ofeach satellite
signal and calculates the range to each tracked satellite. If the range to the
satellites is known, the position of your vessel can be determined by
triangulation of the range data of the satellites in view, and presented in
Latitude and Longitude.
cna
The satellites continuously broadcast their
navigation messages at a
frequency
of
1575.42
Mhz (for civilian use). Superimposed on the
navigation message
isa
high rate C/A (Coarse
Acquisition) code used for precise position-
ing
measurements and positive satellite iden-
tification. The C/A ID code permits the user
..-...~
to determine and select the ‘best satellites”to
Ranbe
,
‘\
__ _
t1
1
1
I
I
l&c
\
/’
,
,./
_J&“__------‘”
\
lzQP,2
:%t
/’
/
2
ii361
n2
I sat
use in position calculations.
If it were possible to measure true satellite ranges directly, it would only
be necessary to track data from any two satellites to obtain a vessel’s
latitude/longitude. In actual practice, for marine navigation the receiver
must trackaminimum
ofthree
satellites.This
is necessaryto resolve timing errors including
the receiver’s own internal clock timing bias
error which must be factored into the various
range calculations.
Normally, the
satellites
(if
RAYSTAR
visible)
100
tracks up to five
and uses the best four of
the five for calculating position fixes. By using four satellites, the processor can determine the amount of clock error in each range
INTRODUCTION 6
calculation. The receiver subtracts the error bias equally from each range
solution until the LOP’s intersect. Theoretically, this process can produce
highly accurate position fixes for navigation. (+ I- 15M rms).
Continuous tracking of each satellite signal allows the receiver to perform
this timing adjustment process and to calculate accurate measurements to
the satellites. The
RAYSTAR
100
uses high-speed multiplexed scanning in a
single channel receiver. This receiver design method provides fast efficient
acquisition and accurate position updating, while saving in overall unit size
and weight, cost, and power consumption.
Unfortunately, the Department of Defense has included a special mode
into the GPS satellite system design which introduces variable timing errors
into the satellite signals. This mode is known as “Selective
Availability”and
when it is enabled, it is designed to provide less accurate fixes for all users
(except authorized military users). Accuracy in the order of + /- 100 meters
rms 95 % of the time is obtained when SA is ON. This means that 95 % of
the time the actual position will be within a radius of
100
meters; 5 % of the
time it will be outside of this 100 meter circle. Selective Availability has
been enabled
almost
continuously since early 1991.
Please continue reading the next section
with the installation and operation of the
ofthis
V8010
manual before proceeding
unit. There are some
important recommendations regarding successful installation practices for
obtaining the best echo sounder performance.
If you have elected to add the Raystar 100 GPS sensor option to your new
video sounder system, specific installation information for installing the
GPS sensor will be found in the Raystar
100
GPS Sensor manual.
IN’IRODUCTION
7
1
q
i
z
%
INTRODUCTION 8
2.1 GENERAL
SECTION2
INSTALLATION
Although your
performance, it can best attain those standards only when it has been
properly installed. This section provides the user with practical guidelines
to assist in the planning and installation of the echo sounder unit aboard
your vessel.
2.2 UNPACKING AND INSPECTION
Use care when unpacking the unit from it’s shipping carton to prevent
damage to the contents. It is also good practice to save the carton and the
interior packing material until the unit has been satisfactorily installed on
the vessel. The original packing material should be used in the unlikely
event that it is necessary to return the unit to the factory.
22.1 Equipment Supplied
The following items should be included in the carton with your
echo sounder unit. If an item is missing, please contact your Raytheon
dealer immediately for assistance.
V8010
is designed to the highest levels of quality and
V8010
Table 2.1 Equipment Supplied
ITEM#
1
2
or
DEXXIPTION
V8010
Transducer, Type 2528L M78858
200/50/28Khz, 1KW
Transducer, Type 2528B M78859 (Bronze)
200/50/28Khz, 1KW
Color Echo Sounder
RAYTHKON
(Lexan)
PA’ QTY
1
1
1
INSTALLATION 9
ITEM#
DJZSCRIPTION
RAITHEON
P/N
QW
3
4
5
6
7
8
9
10
11
Spare Parts Kit
Power Cable Assy
1.8m
Sun Cover
Dust Cover
Instruction Manual
Hood
Mounting Screws
Connector, 6 pin (Data)
Connector, 5 pm,
6ZXBSOO166
CFQ-4598
MTV300367
MPXP30132
6ZPBSO2545
MT%‘300279
MPTG02024
G263191-48K
5JcAA00011
1
1
1
1
1
1
3
1
1
(Transducer)
12
Connector, 7 pm, (Video)
222 Accessories 82
TBA
Options
1
The following items are available to aid in the installation or to enhance
the operation of the
V8010
Color echo sounder unit. Please contact your
Authorized Raytheon dealer for information on obtaining any of these
items.
lTEM
PRODUCT NUMBER
INSTALLATION ITEMS:
Console Mounting Kit
Speed/Temp
Speed/Temp
Stuffing
Stuffmg
Stuffing
Sensor
Sensor SST
lube
4” Bronze
Abbe
10”Bronze
l’hbe&
Adapter Plate M78695
M78692
M78662
M78696
M200/50-BR4
M200/50-BRlO
Fairing BlockM78693
Fairing Block
OPERATION ENHANCEMENTS:
Raystar 100 GPS Sensor
Raychart
Sea’Btlk
Sea’Ihlk
610ES Chart System M95990
Interface Kit
Y Cable
M78694
M95984
M78860
M81172
DJZSCRlPTION
For flush mounting
Bronze, TH Sensor
SST TH Sensor
For fiberglass boats
For fiberglass boats
For metal hull boats
For mounting 2528L
For mounting 2528B
Adds GPS Nav functions
Adds Electronic Charting
Interface PCB & kit for
Sea’IUk
network.
INSTALLATION
10
2.3 INSTALLING THE DISPLAY UNIT
23.1 Standard Mounting
The two most important considerations, when deciding on where to
mount the
l
V8010
Color echo sounder unit will be:
To choose the best location for operating and viewing.
*Best protection afforded to the unit from the environment.
Typically, the unit can be mounted iu its yoke assembly to a chart tabletop
or suspended from an overhead location,
I‘-
16”
-6
8.
8.
TABLETOP
FIgure2-1 REcoMMEND
ED
CLEARAh’CES
FOR YORE MOUNTING
OVERHEAD
To mount the unit, remove the mounting yoke from the unit by loosening
the yoke
knobs
on each side of the
V8010.
Attach the bracket to the desired
mounting surface with appropriate screws. ( included in the kit). Once the
bracket has been mounted, slide the unit back into its yoke. Secure the unit
with the yoke knobs at the desired viewing position.
232 Console Mounting
You may choose to flush mount the
V8010
display using the optional
Console Mounting Kit M78692. The Console mounting kit contains the
necessary hardware for flush mounting the unit into panels up to
in thickness. The trim riug is designed to hold the
console cutout, but it is recommended that the unit also be
V8010
in position in the
tirmly
3/g
inches
supported
inside the console to protect the unit from excessive vibration or pounding
forces.
INSTALLATION 11
_l .m-
13.07”
332
mm
8.1”
205 mm
Y
OUTLINE
INSTALLATION 12
DIdENS~O~S - MI010
ECHO SOUNDER
232.1 Console Mounting Instructions
Screw
Flathead
Screws
The procedure below can be used to console mount the
V8010.
Refer to
the console mounting figure above to see how the various hardware items
are arranged during assembly.
1. Select the location for the unit. A clear, flat area of at least 11
by 9
lL2”
high having at least
15”
of clearance depth behind the panel is
Wwide
required.
CAUTION
Make sure there are no hidden electrical wires or other items behind the
desired location before proceeding. Check that free access for mounting
and cabling is available.
2. Unpack the console mounting kit and confirm that all hardware is
present.
3.
Pla6e
the trim ring over the desired location on the panel. Using the
inside of the trim ring as guide , trace the perimeter for the cutout.
Remove the trim ring.
4. Drill a 1E’pilot hole in each opposing corners of the cut-out area.
5. Using an appropriate saw, cut along the outside edge of the cut-out
INSTALLATION
line.
l3
6. Remove the yoke knobs, the yoke, and the rubber spacers from the
V8010
cabinet. Check that the unit will fit into the cut-out area.
7. Complete the installation of the DC power, transducer, data input,
ground, and any other accessory cables, into the console.
8. Slip the trim ring over the cabinet from the rear.Make sure the rounded
tabs on each side face the rear of the cabinet. Slide the unit into the
cutout of the panel. A suitable sealant may be used between the trim
ring and console panel to prevent moisture entry.
9. Use the clamps and hardware supplied in the kit to secure the unit in
the trim ring bracket. The trim ring should be then secured onto the
console with the countersunk
the unit rear panel.
2.4 CONNECTIONS
flathead
screws. Connect all cables to
The drawing shows the basic rear
panel connections to the echo
sounder unit. In a simple installation, the connections at the left side
of the unit (power and transducer)
are used. The connectors along the
bottom provide input of NMEA
data, the GPS antenna
sensor(op-
tional), the Raychart 610ES controller (optional), or
Seatalk
data
(optional). A connector for an external RGB video output is also provided.
A grounding screw is provided to connect the echo sounder to the ship’s
RF ground system.
2.4.1
The
POWX
V8010
Input
is intended for use on vessels with DC power systems and can
operate as long as the DC supply is maintained between 10.8 to 41.3 VDC.
The DC power system can be
‘hegative”grounded
or have both positive and
negative supply lines “floating” above ground. The echo sounder is not
will be adequate to reach to the source of DC power. The 3 pin watertight
connector plugs into the rear panel receptacle in the lower left comer of
the unit marked DC 12-40V.
The power leads should normally be routed to the ship’s DC power
distribution panel on larger boats. The unit requires 5 amps of current; is
fused at 10 amps. So connection to a 10 amp or (maximum of) 15 amp circuit
breaker is recommended. On smaller vessels, the power leads may be
connected directly to the main battery isolation switch or breaker. For best
noise immunity from the other shipboard electronics avoid grouping the
unit’s power connections together with the radar, radio, or other navaids,
such as loran or GPS on the same circuit breaker. The power leads should
be separated as much as possible from other devices.
Although the unit’s power consumption is approximately50 watts, if the
power cable leads need to be extended more than 10 feet, the gauge of the
wire leads should be increased accordingly to minimize line losses. For
runs of
20-35
feet # 12 AWG is recommended.
Confirm the power leads are connected to the correct terminal polarity!
The WHITE wire should be connected to the Positive (+ ) source terminal;
the BLACK wire should be connected to the Negative (-) source terminal.
If the power leads are accidentally reversed, the rear panel fuse will blow.
If this happens, recheck the polarity of the power cord connections with a
voltmeter (VOM) and, if necessary, reverse the leads for a proper polarity
connection. Replace the fuse.
2.42
Data Input/Outputs
The
V8010
at the 6 pin connector marked
has one Data Input port and one Data Output port available
“NMEA”
located on the rear panel (next to
the Power connector). When an external navaid is connected to the Data
Input port, the
V8010
can recognize the NMEA
0182,0183,
or JRC serial
formats:
.
Ifthe
.
NMEA 0182 format, only the Latitude and Longitude of
the ship’s position will be supplied to the echo sounder to operate the
plotting mode.
.
Whenhe
.
NMEA 0183 format, the sentences GLL, GTD,
APB, VTG, BWC, RMA, RMC, and RMB can be read by the unit.
INSTALLATION 15
APA,
The
V8010
has one
Datavia
the same 6 pin connector which
can provide data for up to 3 external navigation equipments connected in
parallel. So, be sure that all devices connected to this data output port
(autopilots, plotters, video sounders, radars) are programmed to use
NMEA 0183 data format.
When sending the NMEA 0183 Data Output from the
V8010,
the normal
data available includes the DBT (Depth) and MTW (water temperature)
sentences. When the optional Raystar 100 GPS sensor, Seatalk, or an other
extemalnavaidisinputto the video sounder,GLL,APA,APB,VTG,BWC,
RMA, RMB, or RMC sentences are available at the Data Output port.
2.42.1 Making Data Connections
A 6 pin watertight connector is supplied with the spare parts materials for
making the Data Input/output connections. The general instructions for
assembling this 6 pin connector can be found in section 2.422 of this
chapter. If planning to use both input and output ports it is recommended
that a cable containing two (2) pair of shielded twisted conductors be used
for the interface cable.
Connect the Input Data ( +
Data Return ( - ) to pin 2 of the connector. Pin 1 is marked by the raised
)to
pin 1 of the connector. Connect the Input
dot on the housing.
Connect the Output Data (+
)to
pin 4 of
LOCATING DOT
DATA OUT
the connector. Connect the Output Data
Return ( -
DATA IN
DATA IN RETURN
DATAOUT (+)
DATA
Pin 3 of the connector
cotme& &&i&l
Do NOT GROUND the Data Output or Data Out Return lines at any of
)
to pin 5 of the connector.
(+)
OUT RETURN
= PIN 1
= PIN 2
= PIN 4
= PIN 5
is
of the data output pair of wires.
Viewed
fkom
solder side
Pin 6 of the connector map be used
NOTE:
the external navigation equipments.
to
INSTALLATION 16
2AiU
Cormeetor
Assembly Instructions
This section describes the procedure to correctly assemble the various
watertight connectors used to connect accessories to the
V8010.
1. Feed the end of the cable through the backshell, rubber grommet and
coupling ring in the order and position shown.
BACKSHELL
GROMMET
COUPLING RING
PIN
CONNECTOR BODY
‘0 ’ RING
2. Strip cable as shown. Begin soldering con-
ductors to pins of the connector as shown in the
appropriate diagram for the NMEA, or
connectors. Verifythat each connection
Seatalk
is firmly
soldered and that no stray wires are shorting
adjacent pins.
3. Slide the coupling ring over the body of the connector and beyond the
locking projections on each side. If may be necessary to rotate the ring
slightly for it to pass by the locking tabs.
4. Push the rubber grommet forward as far as
possible~to
seat it snugly
against the connector body.
5.Push the backshell all the
way
forward. It must first compress the rubber
grommet, then be twisted over the (2) locking posts on the connector body.
This is a tight connection. For leverage, it may be helpful to first insert and
lock the connector into its mating plug on the
V8010
back panel.
2 A3 GPS Sensor (Option)
The optional Raystar 100 GPS sensor unit used with the
V8010
is not only
a GPS antenna unit, but also contains the GPS receiver/processor. Normally, the sensor obtains its 12 VDC operating
sounder
display
unit
and can then proceed to locate and track satellites and
power
input from the echo
provide ship’s L/L position data on its own without other input require-
ments.
INSTALLATION 17
In a typical installation the 5 pm an-
tenna connector is plugged into the
nectar labeled
‘FPS”
on the rear of the
con-
cabinet. Other external navigation
equipment requiring GPS position
in-
puts normally can obtain the required
NMEA 0183 data via the Data Output
connection of the
V8010
via the 6 pm
Data cable.
Viewed
from solder side
However, there may be an occasion
where it is desirable to operate the GPS sensor unit directly
with
other
navigation equipment capable of accepting GPS input data. In this case,
the GPS sensor cable could be terminated at a terminal strip outside of the
video sounder and cabled according to the configuration shown in the
drawing below. The GPS sensor provides GLL, VTG, RMC, and GGA
NMEA 0183 sentences in it’s output.
2
BLACK/SHIELD
In this installation the ship’s DC power is applied directly to the GPS
sensor through a circuit breaker and/or distribution switch.
sensor to be used even though the
The Sensor DATA OUTPUT is provided both to the
V8010
is turned OFF.
V8010
This permits
the
GPS connector
input and in parallel to the external navigation equipment. Please note that
the GPS sensor output is only guaranteed to drive 2 (two) devices directly.
Verify also that the data lines are not grounded at any of the external
equipment.
INSTALLATION 18
The Sensor
DATA
INPUT wire (pin 5)
should also be connected to the GPS
connector so that the echo sounder can provide initializing data input to the
GPS sensor unit.
2.4.4
Sea%lk
Sea’ltilk
Interface
is a system of data interchange between
Autohelm
Instruments
and Autopilots and other Sealhlk compatible units. The system is linked
serially by a single cable containing three wires. The wires used are 1) 12
VDC supply, 2) a bi-directional data line, and 3) ground.
When the optional
V8010
is connected to the
Seatalk
SeaTalk
Interface Kit (M78860) is installed, and the
bus via the 3 pm micro connector on the
unit rear panel, the echo sounder will interface directly to the free end of
the Sealhlk data
chainThe
connections for the 3 pm connector are shown
in the diagram.
Convenient
Raytheon/ Autohehn dealers to help complete
Sea’l%lk
cable assemblies are available at various lengths from
anyseatalk
interconnection
requirements as follows:
Locating
Dot
TX-R%
Sealhlk Cable
SeaINk Cable
Sea’lhlk
Seal?&
2A5
Video Output
ITEM
LENGTH P/N
3 Foot
10 FootM81170
Cable
30 Foot
Y Cable 1 Foot
MS1169
M81171
M81178
vcc
1 2
3
Q
[Solder Side]
View from solder side
A~~~output
VIDEO
OUT on the unit’s rear panel. This output can be used to operate a
One very important requirement in installation of shipboard electronics
is to obtain the cleanest, noise-free environment possible so each piece of
electronic equipment can work to its best performance levels. This requirement isaccomplished byassuringaproper connection from each equipment
to the ship’s RF ground system. The ground provides a drain for shipboard
noise transmission and pickup.
A separate ground wire of # 10 or # 12 AWG (# 10 recommended) should
be connected from the ground screw marked
“E”on
the rear of the unit to
the nearest connection point of the ship’s ground system.
Normally,on a steel hull
boa&a
good clean connection to the hullprovides
a sufficient ground. On a fiberglass or wood hull, connection to a ground
plate or to the engine block and other bonded groundwork should be
acceptable.
2.5 TRANSDUCER INSTALLATION
25.1 General Information
Each
‘B&frequency
ate at
(8Kw
The
V8010
200,50,
peak).
Lexan
Color Echo Sounder is provided with one of the new 2528
transducer assemblies. The ‘Iii-frequency transducers oper-
and 28Khz frequencies and are rated to
1Kw
ofaverage power
2528Lis intended for direct
hull mounting with thru-bolts and a
stuffing tube, while the 2528B bronze
transducer is used when the more traditional thrn-hull stem mounted style is
preferred. Stuffing tubes for the 2528L
for use in wood, fiberglass, or steel ves-
sels and fairing block assemblies suitable. for both transducers are available,
as options, from your Raytheon dealer
to simplify installations. (See Options
list)
INSTALLATION 20
The transducer section of the manual begins with a general discussion of
transducer installation considerations for locating transducers on the ves-
sel. Detailed mounting instructions for the
follows this section.
-
2528L
transducer and the
2528B
The transducer element is that portion
of a sounder system that converts the elec-
tricalpulse from the sounder into a sound
wave which is transmitted downward to
the bottom and returned as an echo. This
TRANSDUCER
echo is picked up by the transducer and
sent to the sounder which, through time
comparison, converts the difference for
display on your
V8010.
ENERGY WAVE
The transducer, the heart of the Fishfin-
der, is a delicate instrument and although
it is designed to survive in the toughest
marine environment it should not be
dropped or manhandled during installation.
The transducer element assemblies are constructed into either molded
resin or bronze caste housings and covered with an epoxy window surface.
The epoxy “window” is the surface through which ultrasonic pulses must
travel. This epoxy surface must be kept as clean and smooth as possible so
the ultrasonic energy path is uninterrupted. Caution is advised when han-
dling the transducer to prevent any damage to the transducer face.
Also, when handling the transducer, avoid lifting or pulling on the
transducer by the cable. Although the cable appears thick and substantial,
the internal cable wiring could become damaged due to stress by the sheer
weight
ofthe
transducerunit and malfunctionat the most inopportune time.
252 General Mounting Considerations
In any transducer installation acoustic noise is always present. The noise
is usually a combination of “ambient” as well as “vessel generated” levels.
Ambient noise is often generated by waves and air bubbles, fish and mam-
mals, ram and hail on the surface, other nearby vessels or shore noises.
Sources of vessel generated noise include: propellers
&
propeller shaft
vibrations, machinery, main engines, generators & pumps, flow of water
INSTALLATION 21
across the hull, boundary layer turbulence, and interference from other
onboard echo sounders.
While very little can be done to combat ambient noise, carefully selecting
the transducer mounting location can help to minimize the influence of the
“vessel generated” noise. Of course, the lower the acoustic noise level; the
better the signal-to-noise ratio and the higher the echo sounder gain setting
that can be used.
Mounting Location-Displacement Hulls
Study the shape of the vessel hull carefully to determine the best
transducer mounting location. To achieve optimal echo sounder system
operation, the transducer should be mounted in a spot which will minimize
acoustic noise reception and the chance that aerated water will flow across
the transducer’s acoustic window (transmitting surface).
One of the main sources of vessel generated noise is from the propeller.
It is very important to pick a mounting position to keep the transducer
clearly away from this noise source to minimize pickup.
As an additional precaution tilt
the transducer forward slightly so
that the transducer acoustic win-
dow is facing away from propeller
noise.
Generally
a
5’ forward tilt is
recommended. Any tilting is normally accomplished in the shaping
of the fairing block.
Mount the transducer on the side
of the hull where the propeller
blades are moving downwards.
The upward motion of the propeller generates pressure waves
which pushes air bubbles up
against the hull. By mounting the
transducer on the downward side,
the hull will tend to protect the
transducer from this effect.
INSTALLATION 22
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