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Humminbird LCR 8000, Operation Manual

The Humminbird LCR 8000 is a high-quality fish finder equipped with advanced features for optimal performance. Ensure you make the most of your device by downloading the free Operation Manual from manualshive.com to accurately understand its functions and capabilities. Upgrade your fishing experience with this reliable tool.

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With bottom lock the wreck and fish are clearly displayed on the left side of the screen which 
shows an expanded view 40 feet up from the bottom (screen is from 112 feet to 172 feet). 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for LCR 8000

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: ...while still viewing the full depth range information on the right The display used on the LCR is a Liquid Crystal Display The material in the display is a liquid that can be aligned such that it eith...

Page 13: ...d screen memory work in the same way to give you the benefit of split screen comparisons The detailed operation of each of these functions is explained later in this manual TOTAL SCREEN UPDATE What is...

Page 14: ...pth scale This Total Screen Update feature works when changing to deeper or shallower scales For example suppose you are in the 0 to 120 foot scale but the bottom depth changes quickly to 20 feet When...

Page 15: ...itch The LCR always comes on in the automatic mode In the automatic mode the unit will find the bottom by varying the sensitivity and selecting the proper depth range for a satisfactory return Also th...

Page 16: ...nd later want to change it again you can just press either the or V button if no other function light gray button had been pressed since the zoom range button 4 Depth Automatic Mode In the automatic m...

Page 17: ...to change to the 0 to 60 foot range The depth range can also be changed by only pressing the depth set button Each time this button is pressed the depth range will decrease become shallower Remember t...

Page 18: ...hen a hard bottom is being read the sensitivity needed to achieve a good return will be less Also in the automatic mode the unit will black out the display beneath the bottom line Manual Mode There ar...

Page 19: ...region may be selected as 15 feet 30 feet or 60 feet pressing the range size button Each time this range size button is pressed the zoom range size increases until it is at the maximum then the size...

Page 20: ...r you have passed over it Remember that because of the LCR s Total Screen Update feature even while you are using Zoom no information is being lost You can turn Zoom off go to any depth range and see...

Page 21: ...me a return is detected between the boat and the bottom It will not alarm on the bottom but only on objects off the bottom To activate the Fish Alarm press the Fish On Off button The indicator in the...

Page 22: ...at the previous setting 11 Mode This button selects what is shown in the lower right corner of the display either depth surface temperature or memory location Depth When the LCR is turned on the digit...

Page 23: ...matically split to display the screen in memory on the left side and the full depth scale information on the right See Figure 20 NOTE If zoom or bottom lock is on when recalling a memory screen then t...

Page 24: ...d to avoid scratching the lens Care should be exercised to keep chemicals such as bug repelent ammonia abrasive cleaners or gasoline away from the LCR case and lens As with any electrical instrument d...

Page 25: ...to deeper water until the bottom return goes off the display The LCR will automatically change to the next deeper depth range Notice that the entire screen is changed to the new depth range This is th...

Page 26: ...splayed on the screen turn the unit off and then on again If this does not clear the fault condition the unit should be returned for repair LEARNING TO USE SCREEN MEMORY The operation of the LCR Scree...

Page 27: ...ion LEARNING TO READ THE DISPLAY The following illustrations show some typical displays with bottom structure and fish returns These should help you in interpreting the information being displayed on...

Page 28: ...With bottom lock the wreck and fish are clearly displayed on the left side of the screen which shows an expanded view 40 feet up from the bottom screen is from 112 feet to 172 feet...

Page 29: ...ermocline therefore if you want to see the thermocline go to the manual mode and increase the sensitivity level OPTIONAL SURFACE TEMPERATURE GAUGE Your LCR 8000 or LCR 8000D is designed to work with a...

Page 30: ...lay the reading on the LCR screen The probe and computer controlled electronics have been designed for an accurate indication and an extremely fast response time If you do not have a surface temperatu...

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