Uniden Clock Manuale utente
Digital Depth Sounder
OPERATING GUIDE
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Features, Specifications, and availability of Optional Accessories are all
subject to change without notice.
Contents
Unpacking ...............................2
Features ................................2
Installing the QT 206..........................3
Transducer Wiring...........................4
Power Cable Wiring ..........................4
Installing The Transducer.......................5
Transom Mount Transducers .....................5
Through-the-hull Transducers ....................8
Low Profile Transducers .......................9
Stem-type (power Boat Bronze) Transducers............10
Inside-the-hull Transducers .....................12
Understanding Sonar ........................14
Air Echoes..............................14
Setting The Shallow Water Alarm ..................15
Shallow Water Sensitivity ......................16
When to Use Less Sensitivity ....................17
When to Use More Sensitivity ....................18
Troubleshooting Guideline .....................19
UNPACKING
Your QT-206 Depth Sounder box should contain the following items:
•Transducer with 3 lugs attached
•Power Cable (attached to the gauge)
•Mounting Bracket and hardware
•This Operating Guide
If any items are missing or damaged, please contact your dealer
immediately.
FEATURES
nDepth Readings – The QT-206 is designed to give depth readings
from 2.5 feet to a maximum depth of 199 feet. Depth readings are in
1/10 foot increments from 2.0 feet to 15 feet, and are shown as whole
numbers up to 199 feet. These readings are displayed on a large
Liquid Crystal Display (LCD).
nNight Viewing – The QT-206 is back lit at all times with a soft
glowing lamp designed to help your night time navigational needs.
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INSTALLING THE QT-206
1. Find a location on your dash panel which will provide clear viewing
and access to the LCD window.
2. After finding the right location for the indicator unit, mark a 2-inch
hole to be cut out.
3. Check behind the panel for any cables or wiring which could be
damaged. Then cut out the 2-inch hole.
4. Test fit the unit in the hole, and make any adjustments with your
saw or drill.
5. Extending out of the back of the instrument is a brass shaft. Attach
the U-shaped mounting bracket over this shaft, and place the
washer on the shaft. Thread the nut onto the shaft until the
U-shaped bracket is firmly against the back of the dash panel.
6. Look at the front of the instrument to ensure that it is aligned
properly. Then tighten securely.
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BRASS STUD
P/N: 210-005
WASHER
P/N: 308-029
NUT
P/N: 3203-009
2 3/8"
2 1/2"
2"
1/2"
MOUNTING BRACKET
P/N: 950-025
More Less
Shallow
Sensitivity
Power
Alarm
X-ducer
Red Black
Shield
+
TRANSDUCER WIRING
On the rear of the unit, locate the terminal lugs extending out of the rear
of the instrument. These terminals are used to connect the transducer
wires.
When shipped from the factory, the transducer is wired with 3 female
lugs attached. These lugs need to be inserted onto the male terminals
located on the rear of the gauge.
The BLACK terminal is connected to the BLACK wire. The WHITE
terminal may be connected to either the RED, BLUE, or WHITE wire.
Connect the shield to the position marked “SHIELD”.
If you need these female lugs, contact your Uniden Marine dealer.
POWER CABLE WIRING
Because the QT-206 has no ON/OFF switch, you will need to wire it
directly to a power source which will turn the unit on as power is applied.
It may be convenient to wire the power cable directly to the Ignition
Switch so that when you turn the boat on, the depth sounder immediately
starts working. Some boats have already been prewired and labeled for
a depth sounder so that when the switch is turned ON, the depth
sounder receives power.
Another method for cable wiring is as follows:
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SHIELD
RED, BLUE, OR WHITE
BLACK
1. Connect the main unit to a 12-volt battery using the power cable
supplied with your unit. You may extend this cable as necessary,
but you must observe proper polarity (i.e., RED is positive and
BLACK is negative).
2. Connect the BLACK wire to the negative (-) battery terminal.
3. Connect the RED wire to the positive (+) battery terminal.
4. Make sure the connections are clean and tight so they do not
vibrate loose during the boat’s operation. Occasionally clean any
accumulated corrosion from the battery terminals.
5. If for some reason the fuse is blown, replace with a 1 amp fuse,
normal blow.
DO NOT OVER FUSE! The unit consumes 0.25 amps of current when it
is on. You will want to keep your battery fully charged.
INSTALLING THE TRANSDUCER
The three most popular transducer styles are:
•TRANSOM MOUNT – Ideal on boats with outboard engines, or on
I/O driven boats.
•THROUGH-THE-HULL – Ideal for boats with Inboard engine(s).
•INSIDE-THE-HULL – Often called “Shoot Through Transducer”; it
can be used effectively if installation procedures are followed
carefully.
TRANSOM MOUNT TRANSDUCERS
Selecting An Installation Location
Mount the transducer fairly close to the centerline (keel) of the boat,
which will ensure minimum potential aeration over the acoustic window
of the transducer.
On twin drive installations
, install the transducer
between the drives.
On single drive installations
, you should mount the transducer bracket on
the side of the boat where the propeller blade is rotating downwards.
This is usually the right (starboard) side. If possible, do not mount the
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transducer directly behind any strakes, ribs, intakes and outlets for live
wells and/or engine cooling water, or any protrusion which may cause
turbulence or cavitation. On slower, heavier displacement boats, good
results can be achieved further from the keel.
DO NOT INSTALL YOUR TRANSDUCER UNDERNEATH A GASOLINE
OVERFLOW. THIS WILL DESTROY THE PLASTIC MATERIAL OF
THE TRANSDUCER AND THE BRACKET. THIS DAMAGE IS NOT
COVERED UNDER WARRANTY. Also, do not use LOCKTITE®or any
other solvents on the mounting hardware or transducer. These materials
may destroy the transducer.
Mounting The Transducer
The transducer and bracket assembly should be oriented vertically with
respect to the water to yield a vertically-directed acoustic beam.
1. Attach the transducer to the bracket as shown below.
2. Place transducer and bracket at the selected location on the boat
transom. Align the bracket so that the bottom surface of the
transducer is even with the underside of the boat.
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FIBERGLASS V-HULL MODERATE TO
LARGE DEADRISE
TRANSDUCER IS BELOW
STRAIGHT LINE
EXTENSION OF HULL.
FIBERGLASS V-HULL BOATS—TWIN ENGINE
(MODERATE TO DEEP-VEE DEADRISE ANGLE)
HULL
INSTALL BETWEEN DRIVES—MODERATE TO
DEEP-VEE DEADRISE ANGLE
DEADRISE ANGLE
WEDGE POINTING FORWARD
HULL
(Install between drives)
FIBERGLASS V-HULL BOATS—TWIN ENGINE
(MODERATE TO DEEP-VEE DEADRISE ANGLE)
3. Mark the outline of each slot on the hull. Mark the screw locations
1/8" from the
bottom
of each slot, and drill four holes 3/4" deep with
a 9/64" drill. The slots in the bracket allow 5/8" of vertical
adjustment which can be utilized to lower the transducer further
into the water to achieve optimal performance.
4. Using the sheet metal screws provided, attach and tighten the
bracket to the hull so that the transducer projects 1/8" below the
underside of the hull. A marine sealant such as RTV should be
applied to the threads of the screws to prevent water seepage into
the transom. Align the transducer so that the rear is 1/16 to 1/8"
lower than the forward point (bow). Tighten all bolts and screws.
5. Route the cable to the QT-206, being careful not to tear the cable
jacket. Make sure the cable is separated from the ignition,
tachometer, alternator, or other electrical wiring. Do not remove
the connector or splice or shorten the cable, as this will void the
transducer warranty.
Transducer Replacement/Identification Tag
On most transducers manufactured after 1987, the operating frequency
and part number is attached to the cable or is printed on a mylar tag near
the connector end. Do not remove this tag since it identifies the
transducer and will help you identify the operating frequency of the
transducer. The QT-206 operates at 200 kHz. (Incorrect frequency will
cause your instrument to operate improperly.)
Transducer Wetting
Immediately before launching your vessel, thoroughly wipe the face
of the transducer with a detergent type liquid soap. This reduces the
amount of time required for the transducer to establish good contact with
the water. If this procedure is not followed, it may take several days for
the complete “wetting” to occur, resulting in reduced performance of the
instrument.
Transducer Painting
If a vessel is kept in saltwater, especially in the southern U.S., marine
growth can accumulate rapidly on the transducer face and seriously
reduce performance. If fouling does occur, use a stiff brush or putty knife
to remove this growth. Wet sanding of the fouled transducer face is
permissible with #220 or finer grade of wet or dry emery paper. (Use
plenty of water.) Coating transducers with anti-fouling paint is often
necessary to achieve consistent performance. All anti-fouling paints
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have a solvent base. However, some solvent bases will damage
encapsulation materials and plastics to varying degrees. If you need
anti-fouling protection, use only paints with a mineral spirits base; do
not use acetone vinyl-based paints. Glochester (RULE) Durapoxy is a
hard, mineral spirits-based paint that has been found to be virtually
transparent to acoustic energy. Never apply paint to the transducer by
spraying; use a brush or roller. A sprayed surface “wets” very slowly,
and there are often microscopic air pockets under the surface which
attenuate the sound energy.
THROUGH-THE-HULL TRANSDUCERS
The two most popular styles of Through-the-Hull Transducers produced
are low profile types, which typically are 1-3/4" or 2" in diameter, or
stem-type transducers, which typically have a 3/4" pipe thread and
require a fairing block to level. The two most popular materials used are
nylon and bronze. Choice of material depends upon the boat
construction:
Wooden boats require the use of a bronze transducer or bronze
fittings because when the boat is out of the water, the wood will
dry out. When the fitting is installed and the boat is returned to
the water, the wood will swell and possibly crack a nylon type of
transducer. Therefore, bronze is recommended for all wooden
boat applications.
Larger fiberglass boat manufacturers often request bronze
transducers and fittings due to the size of the boat and the total
number of fittings used in the installation. However, nylon
transducers are better suited for this application because of their
ease of installation, lower cost, and more complete seal to the
fiberglass hull.
Selecting an Installation Location
The mounting location must provide a smooth flow of water over the face
of the transmitting surface of the transducer. Bubbles will cause the
instrument to read improperly and cause erroneous readings. The
mounting location should have reasonable access from inside the vessel
since the transducer will require tightening from inside the hull.
•On sailboats, mount the transducer where the acoustic beam will
not be shaded by the keel. A spot forward of a fin keel with a
minimum deadrise angle is preferred.
•On planing powerboats, locate the transducer off centerline 6" to
12" and before the first lifting strake (flat area).
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