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Humminbird LCR 3004, Operation Manual

The Humminbird LCR 3004 is a top-of-the-line fish finder that comes with an extensive Operation Manual to help you get the most out of your device. You can download the manual for free from manualshive.com, ensuring that you have all the information you need to optimize your fishing experience.

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Summary of Contents for LCR 3004

Page 1: ......

Page 2: ...uding aluminum Please carefully consider the following before installing your transducer TRANSDUCER MOUNTING OPTIONS A Transom Mount The Humminbird high speed transducer allows the transducer element...

Page 3: ...bronz thru hull transducer has a threaded stem which installs through a hole drilled in the boat hull leaving the housing exposed under the boat This type of installation must be used for many boats...

Page 4: ...use a silicone sealant between the screwhead and bracket in order to prevent leaking See Figure C Step 2 BRACKET INSTALLATION Fiberglass Boats If your boat has a stepped transom located below and und...

Page 5: ...cally in the three slots found in the bracket It is important to use a silicone sealant between the screwhead and bracket in order to prevent leaking Step 3 TRANSDUCER PIVOT ASSEMBLY Assemble the pivo...

Page 6: ...the bracket Slide the O ring on to the headed pin and insert it through the two parts Assemble by screwing the x3 8 allen head screw into the end of the pin and tighten See Figure G Step 5 ANGLE ALLIG...

Page 7: ...h this type installation it is important that the transducer be mounted by someone familiar with the use of two part epoxy adhesives For this reason Techsonic Industries Inc will not be responsible fo...

Page 8: ...ye of the transducer The bubbles will disappear in a short time or can be removed by rubbing the transducer eye with your fingers while the transducer is in the water 4 If your instrument should fail...

Page 9: ...Install the mounting knobs and tighten snugly The unit can now be swiveled and tilted to any desired position...

Page 10: ...cket can also be mounted directly to the dash without the swivel mount however this method is not recommended since the unit cannot be rotated INSTALLING THE CABLES Your LCR comes equipped with Hummin...

Page 11: ...ole cover after determining the necessary wire length from the hole The power cable has a red lead to the positive post and the black lead to the negative post Install a 1 amp fuse between the red cab...

Page 12: ...ft range the bottom depth must reach about 24 feet before the depth range will change to 60 feet You may also manually change the depth scale by pressing the depth set button Each time this button is...

Page 13: ...d the unit will make a Chirping sound indicating a limit has been reached In the manual mode everything below the bottom is no longer blacked out therefore a second return or double echo can be displa...

Page 14: ...e alarm is set at five feet The desired alarm depth can be adjusted up or down by pressing the depth set button and the increase or decrease button When the increase or decrease button is pressed once...

Page 15: ...nit is in the automatic mode The Digital Bottom Reading will not be seen while in the manual mode Some additional things you should know about the LCR 3004 Some polarized glasses might effect your vie...

Page 16: ...your electrical connections and fuse Also check that the red wire on the power cable is connected to the positive battery terminal and that the black wire is connected to the negative battery termina...

Page 17: ...button to go back to the automatic mode Step 5 Press the alarm on off button to turn on the bottom alarm Next press the range down s button until the alarm setting is lower than the bottom reading A c...

Page 18: ...ure and target returns These should help you in interpreting the information being displayed on your LCR Surface clutter The STC in your LCR will normally eliminate surface clutter however in some wat...

Page 19: ......

Page 20: ...Brush or thick standing timber will appear as a thick mass with holes or gaps as shown above...

Page 21: ...herefore it will be displayed on the LCR as shown above To see the thermocline you will need to go to the manual mode and increase the sensitivity setting One of the best ways to learn to use your LCR...

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