Uniden Clock Operating Manual
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Uniden Clock Operating Manual

Uniden clock user manual
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Digital Depth Sounder
OPERATING GUIDE

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  • Page 1 Digital Depth Sounder OPERATING GUIDE...

  • Page 3: Table Of Contents

    Unpacking ....... 2 Features ....... . 2 Installing the QT 206.

  • Page 4: 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. Depth Readings –...

  • Page 5: Installing The Qt 206

    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.

  • Page 6: Transducer Wiring

    SHIELD BLACK RED, BLUE, OR WHITE 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.

  • Page 7: Installing The Transducer

    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.
  • Page 8 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. FIBERGLASS V-HULL BOATS—TWIN ENGINE (MODERATE TO DEEP-VEE DEADRISE ANGLE) FIBERGLASS V-HULL MODERATE TO LARGE DEADRISE...
  • Page 9 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.

  • Page 10: Through-The-Hull Transducers

    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.

  • Page 11: Low Profile Transducers

    Do not install it on a lifting strake since this is the area where air bubbles travel from the bow to the stern, to provide a smooth ride. On displacement power boats (trawlers), mount the transducer well aft and close to the centerline. On I/Os, mount the transducer close to the engine(s).

  • Page 12: Stem-Type (Power Boat Bronze) Transducers

    5. Apply a 1/8" thick layer of sealant around the lip of the plastic or bronze housing. A thin layer should also be applied up the sidewalls to a height of 1/4" greater than the hull thickness. This will ensure there is sealant material in the threads to seal them, and hold the housing nut securely in place.
  • Page 13 4" 1 1/4 " Mounting the Transducer 1. Drill a 1/8" pilot hole in the preferred transducer location. Refer to the previous section to determine the best location for your type of boat. 2. Drill a hole “slightly” larger than the stem of the transducer. Be careful not to make it too large as you will run the risk of water leaking into the hull.

  • Page 14: Inside-The-Hull Transducers

    INSIDE-THE-HULL TRANSDUCERS This type of transducer does not require the drilling of a hole as does the Through-the-Hull Transducer. However, since the sound waves transmitted and received by the Inside-the-Hull Transducer must pass through the hull, transducer performance will be reduced. The success of Inside-the-Hull installation is greatly dependent upon the purity of the hull directly below the transducer and the type of hull.
  • Page 15 Use one of the following methods to determine if your chosen location is satisfactory: 1. Place the transducer in a plastic bag filled 1/2 to 3/4 full of water. Tie or tape the bag tightly around the transducer cable. Wet the selected location and place the bag against the hull, pressing the transducer face against the hull.

  • Page 16: Understanding Sonar

    UNDERSTANDING SONAR All depth sounders emit ultrasonic sound signals from the transducer into the water located under your boat. These sound signals travel through the water at a rate of approximately 4,800 feet per second (1500 meters per second). The depth sounder transmits a signal and receives a returning echo.

  • Page 17: Setting The Shallow Water Alarm

    SETTING THE SHALLOW WATER ALARM Located just below the LCD window are two keys labeled “DOWN” and “UP” Alarms. These keys are used to set the Shallow Water depth alarm so that it will audibly alert you if you enter water shallower than your preset depth alarm.

  • Page 18: Shallow Water Sensitivity

    SHALLOW WATER SENSITIVITY The Shallow Water Sensitivity controls a circuit in the depth sounder that affects the first 10 feet of water. It alters the system’s response time in this area only, and can be used to compensate for installation imperfections.

  • Page 19: When To Use Less Sensitivity

    WHEN TO USE LESS SENSITIVITY: SHALLOW READINGS Use less sensitivity when your instrument displays a series of random, shallow readings (3.5’, 2.9’, 4.1’) and the actual depth is greater. How to Perform When looking at the rear of the instrument, this adjustment is made in a clockwise direction.

  • Page 20: When To Use More Sensitivity

    WHEN TO USE MORE SENSITIVITY: DOUBLE ECHOES (READINGS TOO DEEP) Use more sensitivity when your instrument displays depths that are too deep; that is, greater than the actual depth. For example, if you are in 6’ of water and turn this control too far in the less sensitivity direction, you may see “12.0’”...

  • Page 21: Troubleshooting Guideline

    TROUBLESHOOTING GUIDELINE Symptom “0.0" is flashing in the display window. Unit is showing “88.8" in the display window. Possible Reasons Unit is not receiving an echo which could be caused by a variety of reasons: Sensitivity Adjustment was turned too much in one direction, actually squelching out the echo.
  • Page 22 Symptom Unit is not reading prop- erly at high speeds, causing high random numbers at high RPM . Transom Mount Trans- ducer is breaking where the mounting bracket at- taches to the trans- ducer. A30 or A00 reads out permanently on the dis- play.
  • Page 23 WARRANTOR: UNIDEN AMERICA CORPORATION (“Uniden”) ELEMENTS OF WARRANTY: Uniden warrants, for one year, to the original retail owner, this Uniden Product to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below. WARRANTY DURATION: This warranty to the original user shall terminate and be of no further effect 12 months after the date of original retail sale.
  • Page 24 ©1995,1996 Uniden America Corporation All rights reserved. Printed in the United States of America OMQT206...

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Qt206

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