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FL-8 Owner’s Manual
CONTENTS
General Description 2
Specifications 3
Unit Installation 4
Power Connection 4
Transducer Installation 5 - 8
Operation 9 - 10
Typical Indications 10 - 14
Maintenance 15
Operational Questions & Answers 16 - 20
Trouble Shooting Chart 21
Transducer Beam Angle Chart 22
Transducers 23-25
Service and Support 26
Founded in 1965, Vexilar, Inc. has a long history of bringing revolutionary technology to
the sport fishing industry. Just some of the
Vexilar firsts include: the first liquid crystal
display, the first fish alarm, the first three
color display, and the first CRT and straight
line paper graphs, for the sport fisherman.
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GENERAL DESCRIPTION
The FL-8 is a compact and lightweight depth sounder designed
for serious anglers. Besides indicating depth, the unit also shows
changes in bottom content and conditions. It can also discriminate
between large underwater targets, such as fish, and smaller targets
such as bait fish and plankton.
The unit transmits bursts of high frequency pulses, which are converted from electrical to mechanical energy by the transducer. These
"sound" pulses radiate from the transducer downward and are r eflected back up to the transducer where the energy is converted back to
electrical signals. The FL-8 then processes these signals and displays
them.
The circular display is
accomplished by attaching an
LED (Light Emitting Diode) to
a wheel, which is then spun at
a high speed in the clockwise
direction. This allows for an
extremely high speed update.
The bottom, as well as other
targets, can be displayed as
red, orange, or green to indicate strong, medium and
weak signals respectively.
The FL-8 also has an alarm, which can alert you to fish or shallow
water. The user controls this alarm so that anything that appears
above a specific depth will sound the alarm.
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SPECIFICATIONS
* Operating Voltage 10.5 - 15 Volts (12 Volts Nominal)
* Current Draw: 250mA
* Power Output: 400 Watts (Peak to Peak)
* Frequency: 200 Khz
* Resolution: 530 Segments
* Target Separation: 2.65" Min.
* Display Colors: 3 - Red, Orange, and Green
* Dimensions: 4.4"H x 6"W x 2.5"D
* Weight: 1.1 Lbs.
Depth Scales:
0-30', 0-60', 0-120', and 0-240'
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UNIT INSTALLATION
To make the FL-8 work, you must provide the unit with power
and mount the transducer in an appropriate location.
UNIT INSTALLATION
Find a convenient
place to mount the unit.
This may include a boat
seat, deck, dash, or a
portable case. Make sure
that there is plenty of
room for the unit to tilt
and/or swivel freely
without the cables binding behind the unit. Once
you have found a spot,
remove the unit from the
gimbal bracket. Securely
attach the bracket to the
mounting surface.
POWER CONNECTION
Plug the flat 3 pin connector into the back of the unit. Find the
closest source of 12 volts and run the cord to it. Keep the cord away
from sharp metal edges and avoid tight places where the cord may get
crushed. Connect the red wire to positive and the black wire to negative or ground. If the cord provided is not long enough, more can be
added. Use 18 gauge wire minimum. It is recommended that a 1 amp
in-line fuse be placed in the positive line as close to the power source
as possible to protect against any shorts in the wiring.
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TRANSDUCER INSTALLATION
There are three basic types of transducers to consider: High
Speed, Puck Style and the Ice-Ducer System.
HIGH SPEED TRANSDUCERS
High Speed transducers are
designed to be mounted on the transom of a boat. The wedged shape will
cut the water and give a clear depth
reading at any boat speed. Locate a
spot similar to the one in figure E.
Keep in mind that you need clear water
flow across the face of the transducer to
insure a clear reading at all speeds.
Stay away from rivets, ribs, or strakes
that would be just in front of the transducer. They will disturb the water and
scramble the reading. Attach the
mounting bracket to the transducer
and hold it up to the boat where you are planning to mount it (see figure E). Mark the holes on the transom, or mounting plate, so that
when the bottom of the transducer is flush with the bottom of the boat
the holes are located at the bottom of the bracket slots. This gives you
room to "fine tune" the position of the transducer and optimize your
reading after you've put the back boat in the water. Drill out the holes
and tighten the bracket down securely. Be sure to seal any holes
drilled into the transom with silicone to prevent water
from leaking into the boat. Run the transducer cord up
to the unit taking the same care as you did when you ran
the power cord. Plug the transducer connector into the
back of the unit and screw the retaining ring down tight.
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PUCK STYLE TRANSDUCERS
There are three ways in which a Puck Style
transducer can be mounted. It can be mounted InHull, on an electric trolling motor, or portable
(with a suction cup or on an arm of some type).
IN-HULL MOUNTING
This method, gluing the transducer to the hull, gets the same
results as if you were using the High Speed transducer only there are
no holes to drill in the boat and there is no transducer on the transom
to get damaged by impact.
Finding the best location for the transducer before mounting is
critical. Choose a flat smooth spot near the center of the bilge and
near the back of the boat. It is a good idea to make a "test run" before
you permanently install the transducer to make sure that you can
indeed get a reading through your hull, and when the boat is on
plane. Put about a half inch of water in the bilge and hold the transducer in the intended location. Move the transducer around until you
get the best reading. Mark the spot.
To install the transducer clean the spot of mud and oil. Using an
epoxy or silicone glue make a puddle about the same diameter as the
transducer on the hull. Place the transducer in the glue. Press it down
firmly, gently twisting it back and forth, making sure that there are no
air bubbles in the glue between the transducer and the hull. Let the
glue dry completely before turning the unit on.
Run the transducer cord up to the unit taking the same care as you
did when you ran the power cord. Plug the transducer connector into
the back of the unit and screw the retaining ring down tight.
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PUCK STYLE TRANSDUCERS
There are three ways in which a Puck
Style transducer can be mounted. It can be
mounted In-Hull, on an electric trolling
motor, or portable (with a suction cup or on
an arm of some type).
IN-HULL MOUNTING
This method, gluing the transducer to the hull, gets the same
results as if you were using the High Speed transducer only there are
no holes to drill in the boat and there is no transducer on the transom
to get damaged by impact.
Finding the best location for the transducer before mounting is
critical. Choose a flat smooth spot near the center of the bilge and
near the back of the boat. It is a good idea to make a "test run" before
you permanently install the transducer to make sure that you can
indeed get a reading through your hull, and when the boat is on
plane. Put about a half inch of water in the bilge and hold the transducer in the intended location. Move the transducer around until you
get the best reading. Mark the spot.
To install the transducer clean the spot of mud and oil. Using an
epoxy or silicone glue make a puddle about the same diameter as the
transducer on the hull. Place the transducer in the glue. Press it down
firmly, gently twisting it back and forth, making sure that there are no
air bubbles in the glue between the transducer and the hull. Let the
glue dry completely before turning the unit on.
Run the transducer cord up to the unit taking the same care as you
did when you ran the power cord. Plug the transducer connector into
the back of the unit and screw the retaining ring down tight.
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THE ICE-DUCERTMSYSTEM*
The Ice-Ducer system provides a
quick and easy way to set up the transducer for ice fishing. All of the adjustment needed to find the true perpendicular point is done automatically. T o use the
Ice-Ducer, simply adjust the transducer to
the desired depth and drop the assembly
in the ice hole.
*Patent # 5,546,362
There are three main components to
the Ice-Ducer system. They include the
transducer, float, and the stop. The transducer comes assembled with
the connector already installed. The stop is put on by passing the
transducer cord through the slit in the side of the stop. Make sure that
the tapered or rounded end is facing down, toward the transducer.
The float is installed between the stop and the transducer by, again,
passing the transducer cord through the slit in the side. Make sure the
countersunk hole is facing up towards the top.
To use the Ice-Ducer, adjust the stop to allow the transducer to
float at the desired depth. A six inch minimum is recommended in
order to make sure that the transducer will indeed be pointing straight
down. The most it should be don is to the bottom of the ice hole. If
the transducer is below the bottom of the ice it can cause tangling
problems when bringing in fish.
If you run into problems when using the Ice-Ducer and you can't
see your bait try this; Rub the bottom of the transducer with water to
eliminate any residue or air film. This insures good contact between
the transducer and the water. Check the length of cord between the
float and the transducer to make sure there are no kinks in the cord
that will cause the transducer to shoot off to the side
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OPERATION
Figure I shows the three main controls of the FL-8.
They include Power and Range control, Gain, and Alarm
Calibration.
POWER AND RANGE CONTROL
The knob located at the bottom of the control panel
turns the unit on and selects which range is to be used. The
center position is the Off position.
There are four depth ranges to choose from.
S1 - 0-30' S2 - 0-60'
D1 - 0-120' D2 - 0-240'
To activate the unit and select the appropriate range turn the knob
to the left or right. To read the correct depth on the display you must
correlate your range setting with the proper scale on the display.
Notice that the shallow ranges are marked in white and the deep
ranges are marked in brown. For a range selection of S1 you would
read the white numbers on the display. For a range selection of S2 you
would read the white numbers times two. The same is the case for the
D ranges, only you would read the brown numbers on the display.
For example, figure J shows the leading edge of the bottom at
13 feet on the white scale. With a range setting of S1 you would interpret this as 13 feet deep. With a range setting of S2 you would interpret this as 26 feet deep. With a range setting of D1 you would look
at the brown numbers and read the depth as slightly over 50 feet deep.
D2 would read 100 feet
GAIN CONTROL
The knob located at the top of the control panel is the gain control.
This controls the amount of signal that you see on the display. Again
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setting of zero will display a minimum amount of signal while a gain
setting of ten will show the maximum amount. Different conditions
will require different gain settings. Deeper water will require higher
gain than shallow water. A weedy bottom will demand a lower gain
setting than a clean bottom. Keep the gain level low. Too much gain
can "wash out" the targets that you want to see. Generally, it is a good
idea to set the gain at an appropriate level and leave it there. Only
change the gain level if the water depth or conditions change.
ALARM CALIBRATION CONTROL
The knob located in the middle of the control panel is the alarm
calibration control. If you pull the knob out and turn it slightly clockwise you will see a red line appear. As you rotate the knob further
clockwise the red line will follow. This is the calibration point of the
alarm. If you set the calibration point to 20 feet, than anything that
appears red or orange between 3' (the minimum) and 20' will sound
the alarm. Green targets will not sound the alarm at all. Once you
have calibrated the alarm you can push the knob back in to remove
the red calibration line. The alarm will still function until you turn the
knob fully counter-clockwise. This alarm can be used for fish or bottom.
TYPICAL INDICATIONS
The three color display on the FL-8 can give you a lot of information if you know how to read it. A color represents the strength of a
signal. A red color indicates a strong signal, an orange color indicated a medium strength signal, and green repr esents a weak signal. The
colors will combine to indicate objects, such as bottom echoes, structure, fish, and plankton. The way in which they combine and the
speed in which they do so tells you what is what. The following
examples illustrate some of the different conditions that you may
encounter and what the display on the FL-8 may look like.
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HARD BOTTOM
Under these conditions the bottom will be almost all red, although
you will always see some orange and green at the trailing edge, as in
figure J. A sharp red leading edge tells you that the bottom is very
clean. If you were to move from a hard bottom to a softer -bottom you
would see a change in color to more orange and green. Try not to
change the Gain setting as you move around.
WEEDY BOTTOM
In weedy conditions the bottom can be harder to determine.
Figure K gives you an idea of what it may look like. To find the bottom in weeds it is important to keep the gain control low. If the gain
is too high the bottom and the weeds will "run together" making it difficult to determine the actual depth. Some weed beds can be so dense
that they will display as solid red, even at medium gain. If you fish in
these conditions often you may want to add an S-Cable to your system (see page 28).
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SEEING FISH
The FL-8 sees a fish as a target, much like the bottom. It has a
leading edge, a width, and color content. Refer, again, to figure J. If
the range setting is S x2 then the fish is just over 22 feet above the bottom. It is a fairly wide target and is made up of all three colors. This
should be recognized as a significant fish, something you may want to
catch. The targets that appear just above this fish are smaller and
there is no red. Here is where target identification gets a bit more
tricky. Since we do not know the position of the targets in the cone of
sound we cannot readily identify them. For example, the green target
at 16 feet could be a small piece of floating debris or a single small bait
fish in the center of the cone or it could be a large game fish at the very
edge of the cone.
In the weeds spotting fish is more difficult. Figure K shows a bottom at 17 feet (S1). The weeds extend from the bottom up to about 12
feet. Notice the red target at 15 feet is marked "possible fish". We cannot say that it is a definite fish because the weeds around it are dense
enough to give a red signal themselves. Again, keep the gain as low
as you can for reading in the weeds. If you can't turn the gain down
far enough you may want to get an S-Cable to cut down the power of
your unit.
CLUTTER VS. NOISE
Clutter is acoustical noise created by very small targets in the
water. It is usually displayed as thin green or orange lines. Clutter
can include bait fish, plankton, floating debris, or air bubbles.
Although clutter is not fish, it can be useful in finding fish.
Noise is, usually, electrical noise which is in the engine ignition,
radios, or trolling motors. It can be displayed as red, orange, or green
lights that flash as the interfering equipment is operated.
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HIGH SPEED OPERATION
The FL-8 can accurately read depths at almost any boat speed.
Here high speed is defined as any speed at or above the planning
speed of the boat. Once the boat starts to plane out, turbulence will
develop behind the transom. If you have the wrong type of transducer, or it is poorly mounted, the unit will lose the bottom at a certain boat speed. This is due to all of the air bubbles in the turbulent
water.
ICE FISHING
Ice fishing brings out the best in the FL-8. The stable platform of
ice lets you concentrate on your bait and the fish around it. The bottom becomes less important because it never changes. The only
movement on the display is of your bait and fish.
Unlike open water use, the direction in which the transducer is
pointed is very critical. You want your bait to be located in the dead
center of the cone sound. This way you can see very small baits at low
gain settings and also see fish come in from all sides. If you are not
using the Ice-Ducer system, the transducer must be attached to an
adjustable arm so that it can be manually pointed directly at the bait.
Sometimes it helps to attach a bubble level to the transducer so that
you know when it's straight.
After your system is properly set up, adjust the gain until you see
your bait as a green target. You may need to readjust the gain control
to keep the bait green. This is due to the changing condition and position of your bait. If you are using a swimming bait or a lure that darts
to the side as it's jigged, you will see the color change as the bait
moves. Sometimes it may even disappear if the bait goes out of the
cone of sound.
Fish will appear at the edge of the cone as a green target. If the
fish moves closer to the bait it will change from green to orange. If it
moves up, right next to the bait, it will change to red.
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MAINTENANCE
PERMANENT MOUNT
With permanent mount applications, the power cord is left connected to the source, the transducer is not easily removed, and the
gimbal bracket is screwed to the seat, deck, or dash. Under these conditions maintenance is very simple because nothing changes once the
unit is installed. Because of this though, problems can sneak up on
you if you're not careful.
The unit should be removed from the bracket whenever the boat
is parked to guard against theft. Don't store it in a place that may fill
with water.
Power connections need constant checking. Corrosion can develop and cause intermittent or loss of operation. Connections made to
battery posts need extra attention because of the battery acid.
The transducer should be checked for scratches and cracks which
can reduce the units sensitivity. Cuts or breaks in the cord should be
repaired as soon as possible so corrosion doesn't attack the wire.
Periodically clean the face of the transducer with a mild detergent. An
oily film can develop which will cause weak readings.
PORTABLE MAINTENANCE
In portable applications the unit is generally mounted to a carrying case and the transducer is frequently removed, as is the power.
These conditions can cause more wear and tear than a permanently
mounted unit.
In addition to the previously mentioned maintenance items, be
sure to check for broken or pulled wires, loose screws or hardware,
and, above all, battery condition.
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OPERATIONAL QUESTIONS & ANSWERS
Where Should The Gain Control Be Set?
For ice fishing - the gain control should be set so the bait you are
fishing with is shown in green color on the dial. This color should be
set while the lure or bait is at the normal fishing depth. As the bait is
raised toward the surface the colors will turn to orange and possibly
red, just below the surface. This happens because as the bait is raised
towards the surface the signal strength from the bait gets stronger,
resulting in color change.
For open water fishing - set the gain control so as to get a strong
bottom echo along with a second echo. You may need to switch to a
deeper range to see the second echo. The leading edge of the bottom
echo will show a solid Red band, then bleeding into the orange color,
then the trailing edge of the bottom will bleed from orange into the
green color. Good bottom echoes, most of the time, will show all three
colors, starting with Red, Orange, into Green.
Why Can't I See My Bait While Ice Fishing, or like I
can while ice fishing?
For Ice Fishing - In order to see your bait it must be in the center
of the cone and you must have your gain turned up high enough to
see it.
For open water, with the position of the transducer mounted to
the boat, it is hard to get your bait there, and with the motion of the
water it makes it difficult to keep it there. If all conditions are right
you will be able to see your bait.
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Why Do Some Lures Show Up Better Than Others?
The amount of Reflective Surface Area on the lur e is the main reason. A thin vertical lure is not as easy to see as a horizontal fat lure.
What Color Should Fish Be?
For ice fishing - with the FL-8 being operated with the perpendicular position found, the fish target entering the outside of the cone of
sound will appear in green, as it moves towards the bait it will add
some orange into the center of the signal, and if the fish continues to
the perpendicular line under the transducer, red will be added to the
center of the fish target. These color changes will take place automatically without adjusting the gain control. This color change feature
allows the operator to observe the fish moving towards or away from
your bait.
For Open Water - The fish can appear the same way on open
water as they do ice fishing. The same rules apply. Although, instead
of the nice stable platform of ice you have wave and boat motion to
contend with. Usually the boat moves more than the fish. If you see
a red target separated from the bottom you can bet that it's a fish. If
all you see is green or orange you won't know if it's a fish until it turns
red
How Long Will My Battery Last On The FL-8?
Run Time - The FL-8 draws about 250 mA, less than a quarter of
an amp of current The unit will run good until the battery voltage
drops to about 10 volts. Beyond that you will notice lower sensitivity,
as well as, a much dimmer display. The Vexilar Model V120, a 7.2
amp/hr battery, will run the FL-8 for about 18 hours straight.
Battery Life - This applies only to rechargeable batteries. The
largest influence on battery life is your charging habits. To get the
most out of your battery follow these simple tips; Charge the battery
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as soon as possible after each use or, if it's cold, as soon as it reaches
room temperature. Do not overcharge or under charge the battery.
Use a battery charger that has an automatic shut-off feature. A battery
should be stored, fully charged, in a cool place. Charge it once a
month or so when in storage to make sure it's full.
How Far Down The Ice Hole Does The Ice-Ducer- Have
To Be?
You need water contact only to get a depth reading. The bottom
or the face of the transducer, only, has to make contact with the water
in order to get a good transfer of sound waves into the water
There are times (usually deep ice - 36" or more) when the transducer needs to be placed at the bottom of the ice. The zero indication
of the flasher will be unusually wide, 8 to 10 feet wide. This can be
caused by the transmitted signal ringing back and forth through the
depth of the hole. By extending the transducer to the bottom of the
hole this ringing can be eliminated.
Will The FL-8 Read Through The Ice?
YES! It will easily read through ice, provided the ice is CLEAR
ICE and not MILKY ICE. Remember, the transducer must have
GOOD CONTACT with the surface of the clear ice. A bottom indication should appear on the sounder's dial at an appropriate depth. The
ice surface must be wet; water works well.
Why Do I Get Interference?
Electrical interference can be caused by other electrical equipment
that put unwanted signals on the power line. It usually can be
reduced or eliminated by simple fixes such as resistor spark plugs and
wires on the engine or better grounding on the electrical system.
Sometimes, however, there can be equipment problems that need
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shop service.
Another kind of interference comes from another depth finder
operating on the same frequency nearby. The two factors that determine if this happens are: a) the depth of the water and, b) how far
apart the two sounders are placed. If this interference is happening,
each of the sounders will have a non stop rotating light moving
around the dial. One moving light rotates around the dial clockwise
and on the other sounder the light will rotate in the counter clockwise
direction. To eliminate this problem you can either move the
sounders farther apart or shut one off.
Which Side of the Transducer Should Be Aimed
Toward The Lake Bottom?
Most of today's transducers have two sides to them. Side Ais the
side that the cable enters the transducer and usually has holes, slots,
or some method to attach a bracket to. Side B is usually flat but may
have different shapes, such as round, square, or arrow shaped. The
Side B or the Flat side should be aimed toward the lake bottom.
What Does the Zero Light Mean?
The zero light is actually the start point of the unit's transmission
of sound waves. On the display it indicates the zero foot point. This
signal has very little use. Sometimes a portable transducer arm can
cause "ringing" which will display as a very wide zero. The width of
the zero indication. The width of the zero indication should never be
more than 5 feet wide. Most problems occur when the arm, that the
transducer is attached to is metal. Plastic or wood transducer arms
cause little problems. To test your portable box system, in air, turn the
FL-8 on, range 1, and with the gain control turned to maximum position, note the width of the zero indication. If the zero indication is
wider than 5 feet, squeeze the transducer and metal arm together with
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your hand. While squeezing, if the zero gets smaller you need to
work on the transducer attachment. To solve the problem, especially
with a metal transducer arm, remove the transducer from the metal
arm. Then tape three layers of black electrical tape around the arm in
the flat section of the arm, then lay the transducer against the tape and
continue to tape it onto the flat section on the metal arm. The tape creates an insulation layer between the metal arm and the plastic housing of the transducer. This insulation layer eliminates any transmission vibrations caused when the unit transmits the signal to the water .
What Does the Bottom Light Mean?
Besides depth the bottom light can give you a lot of information.
The width and color content of the bottom signal can tell you what
type of bottom it is.
Ice fisherman can look for movement of color in the bottom signal. If you see a red line move through the orange or green part of the
bottom signal, it's probably a fish close to the bottom and away from
the center point.
Open water fisherman usually can't see this because the boat
moves too much. You can, however, see changes in the bottom type
as you move along. The more red in the signal, the harder the bottom.
The more green and orange in the softer the bottom
Why is the Bottom Indication so Wide?
While fishing in a depth of 30 feet, a normal width of a bottom
indication is from 5 to 12 feet wide. The width of the bottom is actually the summation of the radius of coverage on the bottom and is controlled by the gain control. The bottom width and color adjust automatically. The leading edge of the bottom light is the actual depth.
The color beyond is the area, within the cone of sound, that is around
the center point of the circle you are covering on the bottom.
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Trouble Shooting Chart
22
Transducer Beam Angle Verses
Diameter of Coverage
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Transducers and Accessories
TB0044
19 Degree Transom Mount High
Speed Transducer. Comes with the
Mounting Bracket and 25 Feet of
Cable.
TK144
Complete Mounting Kit. Comes
with TB0044 Transducer, FL-8 Power
Cord, Unit Mounting Bracket, and all
the Hardware You Need to do the Job
Right.
TB0030
9 Degree Transom Mount High Speed Transducer. Comes with the
Mounting Bracket and 25 Feet of Cable.
TB0045
Dual Beam 9/19 Degree Transom Mount High Speed Transducer.
Comes with the Mounting Bracket and 25 Feet of Cable. Built-In
Switch Box must be Mounted within 3 Feet of the Depth Finder.
BK0044
Optional Suction Cup Mount for all of the above High Speed
Transducers. Dual suction cups for extra holding power.
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TB0023
19 Degree Puck Transducer. For
Mounting on a Electric Trolling
Motor, In-Hull Mounting, Portable
Use, or Ice Fishing. Comes with 12
Feet of Cable.
TK123
Complete Mounting Kit. Comes
with TB0023 Transducer, FL-8
Power Cord, Unit Mounting Bracket, and all the Hardware You Need
to do the Job Right.
BK0023
Optional Suction Cup Mount for TB0023.
TB0027
9 Degree Puck Transducer. For Mounting on a Electric Trolling
Motor, In-Hull Mounting, Portable Use, or Ice Fishing. Comes with 25
Feet of Cable.
TB0032
Dual Beam 9/19 Degree Puck Transducer. For Mounting on a
Electric Trolling Motor, In-Hull Mounting, Portable Use, or Ice
Fishing. Comes with 25 Feet of Cable. Built-In Switch Box must be
mounted within 3 Feet of the Depth Finder.
BK0027
Optional Suction Cup Mount for TB0027 and TB0032
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TB0050
19 Degree Ice-Ducer. Self Leveling and
Floats in the Ice Hole. Comes with Float,
Stopper, and 7 Feet of Specially Designed
Cable.
TB0051
9 Degree Ice-Ducer. Self Leveling and
Floats in the Ice Hole. Comes with Float,
Stopper, and 7 Feet of Specially Designed
Cable.
TB0052
Dual Beam Ice-Ducer. Self Leveling and Floats in the Ice Hole.
Comes with Float, Stopper, and 7 Feet of Specially Designed Cable.
Built-In Switch Box must be Mounted within 3 Feet of the Depth
Finder.
"S" CABLE
The S-Cable (short for Suppression Cable) is used to reduce the
output power of the FL-8 or FL-8SLT. This can often help clear up
readings in shallow or cluttered waters. Simple installation between
the unit and transducer.
SB-100 Switch Box.
The SB-100 Switch Box allows you to run two transducers on one
FL-8 or FL-8SLT unit. You could switch between a trolling motor
mounted transducer and a stern mounted one or, while ice fishing,
switch between the hole you are fishing from and a remote hole. Also,
the SB-200 is available as a switch box for two units and one transducer.
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Service and Support
If you find that you need help feel free to contact us. Please have
ready the model number and, if possible, the serial number of your
product. Be sure to read the Question and Answer and Trouble
Shooting sections first.
* Address
Vexilar, Inc.
200 W. 88th St.
Minneapolis, MN, 55420-2752
* Telephone
(952) 884-5291 (8 am to 5 pm M-F Central)
* Fax
(952) 884-5292
* Email
service@vexilar.com
* You can also find information on our Web Site
www.vexilar.com
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