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to charge their battery after each use for fear that the battery will develop 
a “memory” and this will lead to a shortened run time—THIS IS FALSE!!!   
ALWAYS CHARGE YOUR BATTERY AFTER EVERY USE!!!  Be sure to use the 
charger that came with your system, or a similar one that is between .5 amp 
and 1 amp.  Using a larger charger, like you would use on a car, truck, RV, or 
boat is likely to cause damage to the battery.  There is really very little danger 
of overcharging your battery with a low amp charger, and most chargers auto-
matically go into “maintenance mode” once a full charge has been achieved.

A 3-Stage charger works like this—

Stage 1 (Bulk Stage): Constant current charging at a high voltage level at 
maximum amperage to minimize charge time. 

Stage 2 (Absorption Stage): Current tapers off for final 10% of charge. 

Stage 3 (Maintenance Stage): Lower voltage mode to prevent electrolyte loss, 
keeping your battery at full charge indefinitely.

Some common sense safety tips: 
For safety reasons, it is recommended that you place your system on a flat, 
hard surface like cement or tile when charging it, away from any flammable 
materials.  Be sure to disconnect the charger from the wall when not in use, 
and avoid leaving your battery hooked up to the charger for extended periods 
of time.

To charge your battery:
Your battery has a wiring harness attached to it that has “piggyback” termi-
nals on it, enabling you to keep the power cord from the unit attached to the 
battery at all times, as well as having the wiring harness with receptacle for 
your charger attached at all times. To charge, simply couple the end of the 
charger with the end of the wiring harness. It is normal for a green light to 
appear on the charger at this time.  Once connected, plug the transformer 
end of the charger into a 110 volt AC wall outlet. You will see a red LED light 
appear on the charger at this time.  When your battery is fully charged, this 
red light will change to green. Depending on the condition of your battery, this 
process can take up to 20 hours to complete. At this time, you can disconnect 
the charger from the battery and wall outlet. However, no harm will come to 
your battery if you leave it attached to the charger.

If you need to remove the battery, unplug the two battery terminals from the 
battery. Remove the hook and loop strap that is holding the battery in place 
and lift the battery out. To replace the battery, place a new battery of similar 
specifications into the battery compartment and secure it with the hook and 
loop strap and re-connect the positive and negative terminals.

Summary of Contents for LX-3TC

Page 1: ...LX 3TC Multicolor Sonar Unit User Manual www marcumtech com ...

Page 2: ...Operation 4 Battery Charging 6 Some common sense safety tips 7 To charge your battery 7 Signal Interpretation 8 User Tips 9 Open Water Set Up 10 High Speed Transducer Installation 10 Puck Transducer Installation 11 Product Performance Specifications 11 Two Year Warranty 12 How to Obtain Service 12 ...

Page 3: ...of signal Interference Rejection IR from nearby competing units This is most prevalent in ice fishing applications where anglers utilizing sonar are often grouped together within small areas The LX 3tc offers a Zoom feature that allows the user to hone in on a specific section of water within the water column The Zoom window area of water being selected can be set at either 5 or 10 feet on the 20 ...

Page 4: ... for turning the LX 3TC on or off as well as choosing the correct depth range The LX 3TC offers four depth ranges to choose from that can be selected by rotating the knob clockwise The depth ranges are 20 40 80 or 160 feet The depth range setting is deter mined by turning the unit ON and turning the Gain knob looking for a solid return band of light indicating bottom on the display If no return is...

Page 5: ...g is a multiple of 4 and the 160 foot range setting is a multiple of 8 Once you use the LX 3tc a few times your brain will automatically make the adjustment without any noticeable thought process The backside of the display 6 o clock moving clockwise to 12 o clock is the other half of your split screen display This half reads what you see on the right half but in a magnified version This will grea...

Page 6: ...or depress and hold the Zoom key while turning on the unit The unit will display a simulated bottom reading RED GREEN a fish just off the bottom GREEN and a moving jigging lure indicated by a YELLOW light The simulated fish GREEN will move off the bottom and change to RED as it approaches the lure This indicates that the fish was not in the center of the transmit cone when near the bottom but as i...

Page 7: ...en not in use and avoid leaving your battery hooked up to the charger for extended periods of time To charge your battery Your battery has a wiring harness attached to it that has piggyback termi nals on it enabling you to keep the power cord from the unit attached to the battery at all times as well as having the wiring harness with receptacle for your charger attached at all times To charge simp...

Page 8: ... strengthens or weakens reflecting their location Fish that are right on the bottom can appear as part of the bottom The best indication of a fish sitting right on the bottom is that the leading edge of the bottom return signal is either GREEN or possibly a dithering or flickering RED segment It is important that the GAIN or sensitivity be kept to a minimum when displaying a strong bottom return T...

Page 9: ...rength of the targets density Denser targets return with a stronger signal displayed as RED Less dense objects small fish return a medium strength signal displayed as GREEN The least dense objects weeds bait fish lure return a weak signal displayed as YELLOW Objects on the edge of the sound cone may appear as YELLOW A fish moving through the cone may appear first as YELLOW then GREEN then RED depe...

Page 10: ...water or turbulence resulting from rivets ribs or hull strakes It is preferable to mount the transducer at least 18 inches from the centerline of the boat to avoid turbulent water resulting from the outboard motor The transducer is wedge shaped and should be mounted with the leading edge mounted against the transom The leading edge of the transducer should be mounted flush with bottom of the boat ...

Page 11: ...the bilge pump in the transom area of the boat Some boats have false bottoms or floors Mounting the transducer in a location not in direct contact with the water will result in dead air space and no sonar reading Once the correct area is located the transducer is installed using a good grade of marine epoxy For more detailed installation information refer to the directions included with the puck t...

Page 12: ... a Return Authorization Number RA or e mail us at service versae com No service returns will be accepted without this return authorization number which must be clearly marked on the outside of the package Versa Electron ics retains the exclusive right to repair or replace the unit at its discretion The customer is responsible for shipping costs associated with returning the unit to Versa Electroni...

Page 13: ...uttle Transducer Arm Ice Ducer 12 v 9 amp Battery Power Cord Battery Charger Snowshield Open water transducers Puck Hi speed Replacements for these items can be ordered off our website marcumtech com or by calling the toll free number 888 778 1208 ...

Page 14: ... equal the ultimate in portability is matched to ShowDown s proven Crystal Quick vertical display The sonar instantly locks on to bottom and clearly displays the location of fish and your lure anywhere in the water column VS825SD The VS825sd offers several technologies that are the first of their kind making this system the most technologically advanced underwater viewing system available Using ne...

Page 15: ...www marcumtech com 15 ...

Page 16: ...www marcumtech com MarCum User Manuals are available for download from www marcumtech com ...

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