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User Tips

Reading Through Ice – The LX3-tc will provide accurate information reading 
through ice providing the ice is reasonably clear. To check the depth through 
the ice, wet the ice with water to improve the coupling of the transducer to the 
ice. Drilling into the ice 1-2” before taking a reading may be necessary if the 
surface of the ice is very rough, or if the ice is filled with air bubbles. Depths 
and even the presence of fish can easily be determined without drilling holes, 
therefore greatly reducing time and energy in locating your fishing spot.

Fine Tuning Gain Control - To adjust gain properly, lower your lure or bait 
to within a foot of the bottom. Turn the Gain up or down until the lure or bait 
shows as a steady Yellow light. You should be able to raise or lower the lure 
in a jigging fashion without losing the signal. If the Gain (or sensitivity) is kept 
to a minimum, you should be able to separate targets down to 2.15 inches 
on the 20-foot scale. You may need to fine tune the gain each time you move 
locations, depending on the depth and bottom composition.

Signal Interpretation - Sound waves emitted by the LX-3TC bounce off 
targets and return with the strength 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, depending on its size and how close to the center of the cone it moves.

Using the Ice Transducer – When used in conjunction with the retract-
able pivoting transducer arm and rubber stopper, the LX3-tc transducer will 
automatically level itself in your ice hole. To begin operation, simply insert 
transducer cable into rubber stopper at desired depth. Extend transducer arm; 
insert cable into open end of transducer arm, and allow the rubber stopper 
to rest in the open end of the transducer arm. We recommend setting your 
stopper to have the transducer down the least amount possible. The LX3-tc 
puts out enough power that in most cases it is not necessary to have your 
transducer down more than a few inches below the water line to get a good 
reading.  When the ice thickness is over two feet, it may be necessary to have 
your transducer set farther down.  Remember--the less transducer cable you 
have out, the easier it is to pull it out of the water when bringing in a fish, or to 
move to a new location.

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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