Instruction/ maintenance manual of the product LCR 3004 Humminbird
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TRANSDUCER MOUNTING PROCEDURE Humminbird’s high - speed transducer is supplied with your LCR. This transducer has been designed to give good high speed readings on most all boat designs, including aluminum. Please carefully consider the following before in stalling your transducer.
by rotating up out of the metal spring bracket without harming the transducer, or your boat. The transducer can be re - engaged by simply rotating the transducer down and snapping it b ack in place.
Once the location is determined mark and drill three 7/64” dia.. holes noted on the template. Attach the metal bracket using three #10 self threading screws supplied. Be sure to align holes in the center of the Bracket slots. On some aluminum boats it may be necessary to use a wood back - up plate.
NOTE: On boats with more than 15 degree deadrise angle it may be necessary to mount the transducer slightly off parallel with the water level. (See Figure E) Mark and drill the three 9/64” dia. holes as shown on the template. Attach the metal bracket using the three #10 self threading screws supplied.
Step 4 TRANSDUCER ASSEMBLY - Insert the transducer assembly into the metal bracket from the bottom. Push up until the holes in the plastic pivot align with the uppermost holes in the bracket. Slide the O - ring on to the headed pin and insert it through th e two parts.
wrench provided. The screws are visible through the access holes on each side of the metal bracket. Check to make sure the transducer main body is rigidly fastened to the pivot. (See Figure H) Step 6 CHECK POSITION OF TRANSDUCER - At this point, check to see that the bottom of the transducer is a minimum of ¼” below the bottom of the transom.
7. Remove the water and transducer and clean the marked area and the bottom of the t ransducer thoroughly. 8. Using the Humminbird Epoxy Kit or equivalent, mix an ample amount of epoxy without causing it to bubble and pour it in the area the transducer is to be mounted.
Install the mounting knobs and tighten snugly. The unit can now be swiveled and tilted to any desired position..
OTHER MOUNTING OPTIONS 1. The LCR gimbal bracket can also be mounted on the SM - 4, quick disconnect swivel mount. 2. The LCR gimbal bracket can also be mounted directly to the dash without the swivel mount, however, this method is not recommended since the unit cannot be rotated.
It plugs into the outlet on the back of the unit marked “Power”. The transducer connector is identified with the letter T and plugs into the outlet on the back of the unit marked “Transducer”.
OPERATIONAL INSTRUCTIONS FOR LCR 3004: The Humminbird LCR 3004 will operate fully automatic or manual at the discretion of the operator. At the heart of the LCR 3004 is a microcomputer which is making thousands of decisions every second.
Manual Mode - There are two ways of putting the LCR 3004 in the manual mode: (1) depress the Auto "On/Off" button or (2) depress either the manual decrease ( - ) or increase (+) button. You will notice that the word "Auto" in the upper right hand corner of the display has gone off .
You should also note that it is possible to have the sensitivity set too high such that reflection off of suspended matter or air bubbles will begin to black out the display. In the manual mode the depth scale does not change automatically and the digital bottom depth is not disp layed.
Turn off the Bottom Alarm by again pushing the alarm "On/Off button. The alarm setting will then go to zero. If the alarm is turned on again before the unit is turned off, it will still be set at the previous setting.
LEARNING TO USE YOUR LCR: After installing the unit, transducer, and power cable as instructed, the LCR is ready for use. By following the steps below you will be able to quickly learn how to use the LCR. Also, trouble shooting suggestions are listed in these steps.
Step 2 : Still moving at a slow speed, begin going toward deeper wate r. You will see that the LCR will display changes as small as 3 inches on the 0 - 15 foot scale.
LEARNING TO READ THE DISPLAY The following illustrations show some typical display with bottom, structure, and target returns. These should help you in interpreting the information being displayed on your LCR.
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Brush or thick standing timber will appear as a thick mass with holes or gaps as shown above..
Thermocline is a temperature change at a certain depth in the water. In some conditions the sonar waves will actually reflect or bo unce off this temperature change and therefore 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.
An important point after buying a device Humminbird LCR 3004 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Humminbird LCR 3004 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Humminbird LCR 3004 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Humminbird LCR 3004 you will learn all the available features of the product, as well as information on its operation. The information that you get Humminbird LCR 3004 will certainly help you make a decision on the purchase.
If you already are a holder of Humminbird LCR 3004, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Humminbird LCR 3004.
However, one of the most important roles played by the user manual is to help in solving problems with Humminbird LCR 3004. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Humminbird LCR 3004 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
