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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. 
 
 

6. Display: Stop/Resume: Anytime during the operation of the LCR, the operator may 

"freeze" the display by simply pushing the display "Stop/Resume" button. This feature will aid in 
the learning and interpretation of the signal on your LCR display by giving you time to study the 
display. The "Stop/Resume" will not change any original settings when once again activated. 
Note: Sensitivity and display speed may not be changed while the display is stopped. When the 
"Stop/Resume" button is pressed again the unit will resume reading at the immediate point at 
which the boat is sitting on the water. 
 
7. Display Speed: The LCR 3004 has a total of eight display speeds. When the unit is turned on 
the display will be advancing at almost maximum speed. To increase the display speed, depress 
the "Fast" button once or hold it down to change rapidly. An audible sound is heard each time the 
speed is advanced. When the limit has been reached a chirping sound will be heard. At this point 
the speed will be advancing at its maximum. To decrease the speed, simply depress the "Slow" 
button until the desired advance is reached. 
 
 

The speed of the boat and display speed will have a large effect on the way information is 

displayed. You should select the fastest display speed for high speed operation, but use a slower 
display speed for idle or trolling speed. 
 
 

8. Digital Bottom Reading: The Digital Bottom Reading is displayed in the lower left area 

of the screen. It will operate while the unit 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 view of the LCR display. It could result in a prism or 
rainbow effect. This condition can possibly be improved by a slight adjustment in tilt. 
 
• If you get confused while in the manual mode, for instance, if you don't know where the bottom 
is, then press the auto on/off button to turn on the automatic mode. The LCR 3004 will find the 
bottom by selecting the proper sensitivity level and depth scale. You can then go back to the 
manual mode if desired. 
 
• In order for your LCR to operate well at high speeds, you must have a properly mounted 
transducer. Please read the transducer mounting procedure carefully. 
 
• The transducer for the LCR 3004 is a 16° just like most standard Humminbird flasher units. 
Other transducers, such as 32° cannot be used. 
 

Caring For Your LCR: 

 
 

Since your Humminbird LCR is completely waterproof, it can be cleaned with soap and 

water or hosed off after salt water use with no fear of damage to the unit or its electronics. When 
cleaning the lens, it is suggested you use a chamois cloth and a non-abrasive cleaner such as 
Windex. Do not wipe while dirt or other gritty material is on the lens. Care should be exercised to 
avoid scratching the lens. Keep chemicals such as bug repellent, ammonia or gasoline away from 
the LCR case and lens. As with any electrical instrument, do not leave your LCR on the dash 
board or rear window area of the car. The sun can create extremely high temperatures which can 
damage the case and internal electrical components. During extended periods of non-use, such 
as winter, you should store the LCR and other removable depth sounders in the house or garage. 
This will help prolong the good appearance and operation of these instruments. 
 

Содержание LCR 3004

Страница 1: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 19: ......

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

Страница 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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