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Teknetics T 2+ Comprehensive Operating Manual & Manual Download Page 39

TEKNETICS

Comprehensive Operating Manual & Guide to Metal Detecting

39

5-YEAR LIMITED WARRANTY

Register your warranty on-line for a chance to win a

FREE DETECTOR.

For details, visit www.tekneticsdirect.com

The

T

2+

metal detector is warranted against defects in materials

and workmanship under normal use for five years from the date of

purchase to the original owner. 

Damage due to neglect, accidental damage, or misuse of this

product is not covered under this warranty. Decisions regarding

abuse or misuse of the detector are made solely at the discretion

of the manufacturer. 

Proof of Purchase is required to make a claim under this warranty.

Liability under this Warranty is limited to replacing or repairing, at

our option, the metal detector returned, shipping cost prepaid to

First Texas Products. Shipping cost to First Texas Products is the

responsibility of the consumer.

To return your detector for service, please first contact First Texas for

a Return Authorization (RA) Number. Reference the RA number on

your package and return the detector within 15 days of calling to:

First Texas Products L.L.C.

1120 Alza Drive,

El Paso, TX 79907

Phone: 1-800-413-4131

NOTE TO CUSTOMERS OUTSIDE THE U.S.A.

This warranty may vary in other countries, check with your distributor for details.

Warranty does not cover shipping costs.

According to FCC part 15.21 Changes or Modifications made to this device not expressly

approved by the party responsible for compliance could void the users authority to operate

this equipment.

This device complies with FCC Part 15 Subpart B Section 15.109 Class B.

MADE IN USA

Summary of Contents for T 2+

Page 1: ...Professional Metal Detector Comprehensive Operating Manual and Guide to Metal Detecting from U S A and imported parts ...

Page 2: ...RES Simple easy to use controls Large LCD screen with Target Identification and operating control displays Straightforward menu driven user interface Bar graph readout of ground mineral concentration Trigger actuated FASTGRAB ground canceling with manual override Waterproof 11 inch open frame BiAxial searchcoil Single Filter All Metal Mode for maximum detection depth Double Filter Discrimination M...

Page 3: ... Target Identification 19 Target Depth 20 G C Phase 20 Settings 20 Messages 20 Bar Graph 21 Battery Indicator 21 Frequency Shifting 21 Capabilities Limitations 22 24 Tips Techniques Search Techniques Sweep Searchcoil 25 Pinpointing targets 26 27 Estimating Target Size Depth and Shape 27 28 False signals and chatter 28 30 Adjusting Sensitivity using the Sensitivity Control 30 Tips On Ground Canceli...

Page 4: ...LCD screen 5 If the searchcoil is not in motion and not close to metal the detector should be silent 6 If you experience false signals from electrical interference from the soil itself or from lots of trash metal press the Menu button Sensitivity will be highlighted Rotate the Settings knob to the left counterclockwise Reduce the sensitivity setting until the false signals go away After 5 seconds ...

Page 5: ... STEM 9 Adjust the LOWER STEM to a length that lets you maintain a comfortable upright posture with your arm relaxed at your side and the SEARCHCOIL parallel to the ground in front of you 10 Wind the CABLE securely around the STEMS 11 Connect CABLE PLUG to housing Do not twist the Cable or Plug Turn Locking Ring only Use minimal finger pressure to start the threads Do not cross thread When the Loc...

Page 6: ... same type and the same state of charge Otherwise battery life will be determined by the weakest battery as the good batteries cannot deliver their power with a dead battery blocking the current All 4 batteries are installed with the positive terminals facing upward The LCD screen shows battery condition on the right DO NOT MIX OLD AND NEW BATTERIES ARMREST The armrest WIDTH and POSITION are both ...

Page 7: ...g bracket If you notice unwanted movement while swinging detector check the tightness of the locking collars The locking collars must be rotated a full 270 to reach the locking position HEADPHONES not included The T2 is equipped with a standard 1 4 inch stereo headphone jack at the rear of the unit located under the elbow as you hold the detector for use Any headphone with a 1 4 stereo jack should...

Page 8: ...g it almost effortlessly The armrest position is adjustable to fit your arm The grip is durable high friction foam elastomer comfortable in any kind of weather The controls are conveniently located and easy to learn how to use Locking collars on the tubes eliminate rattling EASY TO USE INFORMATIVE INTERFACE The entire menu is always visible on the LCD display The LCD display indicates the electric...

Page 9: ...djustment and user s stance and arm hand physiology Sweep Effort lateral moment 5 2 foot pounds 7 1 newton meters Operating Principle VLF induction balance Operating Frequency nominal 13 kHz quartz crystal timing reference Basic Sensitivity 5 x 109 root Hertz detectivity Lag Coefficient 70 milliseconds Reactive Overload approximately 10 000 micro cgs units volume susceptibility Resitive Overload a...

Page 10: ...This recall function is useful for a value you want to adjust frequently such as the ground cancellation value 3 Press and Hold the Menu button to temporarily deactivate the bP setting The standard function of the 2 OF TONES selection will be activated while the button is depressed Releasing the button will return you to the bP setting which you were operating in When using any OF TONES setting ot...

Page 11: ... If you select a function and do not make a change to that function after 5 seconds the detector will exit the menu system automatically and resume normal operation If you press the MENU button or rotate the SETTINGS knob while the machine is in normal operation the user interface will return to the last menu feature setting This feature allows you to have quick access to a function that you want ...

Page 12: ...ion quieter operation and more accurate Target Identification This calibration or Ground Cancellation can be accomplished automatically with the detector s internal computer by pushing the Trigger Switch forward or manually in the All Metal menu The ground cancellation setting carries through into both All Metal and Discrimination Modes In Discrimination Mode the ground signal is generally inaudib...

Page 13: ... a total of 500 different settings Under some ground conditions you may be able to hear the individual steps in the setting The Fe3O4 bar graph on the LCD display indicates the amount of magnetic mineralization The searchcoil must be in motion to measure Fe3O4 The most accurate measurement is obtained by pumping the searchcoil as in the Ground Cancellation procedure The two digit G C Phase number ...

Page 14: ...n to get a weak but audible response when lowering the searchcoil This is called adjusting for positive response Positive and Negative Response The purpose of ground cancellation is to adjust the metal detector to ignore ground minerals If the adjustment setting is off ground minerals will give either a positive or negative response depending on which direction the adjustment is off POSITIVE RESPO...

Page 15: ...e detected HUM LEVEL This is the same thing that some manufacturers call audio threshold It is adjustable from 9 to 9 For maximum ability to hear the weakest signals adjust this background hum level high enough so that it is barely audible while the detector is in use in the field To eliminate the weakest signals adjust the hum level into the negative region which will allow the machine to run sil...

Page 16: ...fer in the way the signals are processed for analysis and in the number of audio tones used to identify different target types The detector has two ways of processing signals for analysis continuous and sampled Continuous Processing The detector processes a continuous signal response throughout the duration of the sweep of the searchcoil over the target All characteristics of the target are audibl...

Page 17: ...ity version of the 2 OF TONES selection It is particularly useful when searching for deep targets in a non trashy area or on a site where vegetation makes it necessary to raise the searchcoil several inches above the surface of the ground It will also produce excellent results on trashy sites provided that you slow down your sweep speed sweep the coil slower than you would when using 2 When bP is ...

Page 18: ...chcoil about 2 inches Lifting the searchcoil away from the ground causes the ground signal to go negative the machine becomes silent Now move the searchcoil slowly across the target and the sound will communicate the target s location As you sweep from side to side and hear no sound at the ends of the sweep the target is located in the middle of that zone where the sound is loudest and the audio p...

Page 19: ...75 85 copper penny clad dime typically 83 U S quarter 25 coin clad typically 89 50 coin modern clad typically 92 old silver dollar coin typically 94 US silver Eagle 1 coin typically 95 PROBABLE TARGET ID The probable Target ID zones at the top of the LCD display represent the signal ranges produced by various coins and types of metal objects When a metal target is detected the microcomputer analyz...

Page 20: ... not for instance a Target ID indication MESSAGES If a metal object or highly magnetic soil is so close to the searchcoil that the signal is overloading the circuit the message OVERLOAD RAISE COIL will appear Such overloads will not harm the detector but the detector will not detect metals properly under these conditions Raise the coil until the message disappears the siren sound will also stop Re...

Page 21: ...g NiMH rechargeable batteries the display will remain stuck on the second or third bar for most of the battery life when it drops to the first bar the batteries will go dead within several minutes FREQUENCY SHIFTING One disadvantage of a highly sensitive metal detector is its susceptibility to electrical interference from other electronic devices If the detector chatters while the searchcoil is no...

Page 22: ...iron bronze brass lead pewter and zinc will read lower on the effective conductivity scale Larger objects and objects made from higher conductivity alloys such as silver copper and aluminum will tend to read higher The notable exceptions are gold which usually reads low because it is rarely found in large pieces and zinc pennies which read moderately high because of their size and shape Although n...

Page 23: ...demonstrate the metal detector without sweeping it over the ground for instance if not fully assembled or if you are indoors To air test place the searchcoil in a spot where the detector is stable and more than two feet away from any large masses of metal including the reinforcing steel usually present in concrete If you are wearing a wristwatch or jewelry on your hand or arm remove it Then test o...

Page 24: ...y in order to cause steel bottle caps to ID lower on the scale and to register less consistently It also produces more audio clues to the character of the target 3 Lift the searchcoil or sweep at an angle Within 2 inches of a Bi Axial searchcoil the crossed magnetic fields of the Double D construction can produce anomalous responses If the object feels shallow strong signal narrow response or mult...

Page 25: ...ets will cause signal overload indicated by the siren sound In these instances raise the searchcoil until the overload warning disappears and sweep at this increased height Large Targets If an overload warning is not confined to a small spot you are probably overloading on a large object for example a large iron pipe reinforcing steel in concrete or buried sheet metal It is usually not possible to...

Page 26: ...e MENU button to temporarily engage the standard 2 selection For users familiar with the T2 2 setting bP may identify targets more accurately Targets yielding a marginal response in one OF TONES setting may sound different in another setting If you are new to the T2 toggling back to 2 from bP using the MENU button can serve as a learning tool to understand the different response characteristics of...

Page 27: ...he response diminishes slowly as you lift the searchcoil and you get a broad response the target is probably an aluminum can Practice this by laying a coin and a flattened aluminum can on the ground you will quickly understand how to differentiate the two and will probably never have to dig another aluminum can again And you will know whether it was deep or shallow This technique works well in the...

Page 28: ...n would be obtained in an air test This tendency is connected with the T2 s enhanced see through ability that is the ability to find valuable targets in an area where there is a lot of iron trash False Signals and Chatter At times the detector may beep when there is nothing there or it may seem like there is nothing there There are five major causes for this electrical interference nuisance buried...

Page 29: ... are almost always trash GROUND MINERALS Conductive mineral salts usually produce broad signals which will not be mistaken for a metallic object Common causes are concentrations of mineral fertilizer spots where evaporation has concentrated naturally occurring mineral salts residue from de icing salts and urine from livestock Unless dry cow pies can sound off like they are metal Ocean beaches have...

Page 30: ...common in many gold prospecting areas They are usually but not always drawn to a magnet They are most often reddish in color but are often black brown or yellow On relic hunting sites red clay bricks and rocks which have lined a fireplace or a campfire will often be hot rocks The discriminator will usually eliminate them without difficulty if widely scattered but if there is a large concentration ...

Page 31: ... be restored and then use the machine without ground canceling In most areas once you have ground cancelled the ground cancellation setting will remain satisfactory for a long time However if the soil has been disturbed by digging or the addition of fill dirt or if you are in a geologically complex setting such as is commonly encountered in gold prospecting areas you may have to frequently perform...

Page 32: ...if there is no ordinance against it If there is a metal detecting club in your area someone will usually know what areas can and cannot be searched Be prepared to always put your best foot forward when using a metal detector in a public place Pick up any trash you recover put it in a pouch or pocketed apron This way you can explain that you are performing a public service by helping keep the place...

Page 33: ...ction document the circumstances surrounding each button found If your finds are mixed together without categorization or documentation their context will be lost The ground cancellation and Fe3O4 bar graph features of the T2 can be used to map the soils of a site In this way you might determine which areas have been dug backfilled or subjected to fire This information in turn helps to reveal the ...

Page 34: ...lly moves down slope from its quartz vein source carried by surface erosion and soil creep So there s gold in that dirt 4 Gold moving down slope eventually reaches a stream channel There it is carried by water especially during floods along with gravel and sand sediments 5 Rising floods deposit sediment including gold above and alongside the stream channel These sediments remain as terrace deposit...

Page 35: ... in the gravels cannot be processed by these methods so they have to be thrown out Someone already dug these rocks from a suspected or known pay streak now they re on the surface loose and probably even clean Unless you happen to know that the larger rocks in this placer deposit virtually never contain gold the rock piles can be a good place to use a metal detector In humid regions the soil is usu...

Page 36: ...ery short distances and you ll have to pay close attention to ground balance Some gold machines display the amount of iron mineralization in the ground In alluvial placer deposits gold tends to be associated with iron minerals particularly magnetite black sand If you know this to be the case in the area you re working you can maximize your gold recovery by concentrating your effort on areas where ...

Page 37: ... its way into the control housing and damage the electronics such damage is not covered by the warranty Both fresh and salt water beaches are popular places for metal detecting Vacationers lose money and jewelry playing in the sand and in the water It is usually easy to dig in a beach environment and metal detecting is permitted on most beaches Occasionally you may be able to help someone recover ...

Page 38: ...d illuminating the region surrounding the searchcoil If metal is present its electrical conductivity distorts the magnetic field If iron metal is present its magnetism also distorts the magnetic field but in a different way allowing the metal detector to distinguish between ferrous and nonferrous metals The other coil is a receiving antenna which detects changes in the magnetic field caused by the...

Page 39: ... or repairing at our option the metal detector returned shipping cost prepaid to First Texas Products Shipping cost to First Texas Products is the responsibility of the consumer To return your detector for service please first contact First Texas for a Return Authorization RA Number Reference the RA number on your package and return the detector within 15 days of calling to First Texas Products L ...

Page 40: ... Open Accessory Coil 15COIL T2 11 DD Elliptical Open Replacement Coil 11COIL T2 5 DD Round Closed Accessory Coil 5COIL T2 Coil Covers 15 DD Elliptical Accessory Coil Cover 15COVER 11PP 11 DD Elliptical Standard Coil Cover COVER 11DD 5 DD Round Accessory Coil Cover 5COVER BLK Neoprene Face Rain Cover Specially made to protect your Teknetics T2 from weather FACE COVER Neoprene Elbow Rain Cover Speci...

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