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Graphic Target Imaging 2500 - 99

SPECIFICATIONS

• Detector Type: Very low frequency,

transmitter / receiver,

TreasureVision

Graphic Target Analyzer

and Imaging Grid

for precise target identification, multiple

notch discrimination

• Controls: Easy access touchpads

• Display: High visibility LCD adjacent to

touchpads; data accessible at any angle

• Detection Frequency: 7.0 kHz, adjust-

able

Circuitry: Linear transmitter/receiver/filter

front end 16-bit data acquisition

• 16-bit Digital Signal Processor (DSP)

• Microcomputer controlled

• Crystal controlled 10 MHz operation

• High reliability surface-mount printed

circuit board construction

Содержание GTI 2500

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Страница 3: ... manufactured The patented Digital Signal Processing DSP technology provides extremely accu rate multiple channel filtering continuous adaptivity to hunting speeds and auto matic ground tracking to provide supe rior depth discrimination and pinpointing performance Deepseeking sensitivity and precise discrimination enable this marvel ous instrument to identify targets by size as well as conductivit...

Страница 4: ...Microprocessor controlled circuitry truly makes this the deepest seeking detector known to man Although the GTI 2500 is built to with stand rugged treatment outdoors while giving years of trouble free service always remember that this detector is a preci sion electronic instrument Protect it from extreme heat and cold as well as mist rain or blowing sand Keep it as clean as possible Garrett Metal ...

Страница 5: ...ng Settings 39 Search Aids 45 Audio Choices 47 Battery Choices 48 All Metal Mode 49 Other Special Features in the All Metal Mode 52 Treasure Imaging 57 Bench Testing 64 Field Operations 66 Headphone Jack 75 Searchcoils 76 Battery Information 77 Recommended Accessories 81 Maintenance 82 Specialized Hunting 83 Repair Service 90 Recommended Reading 93 Graphic Target Imaging 2500 ...

Страница 6: ...Warning 95 RAM Book Order Form 97 Specifications 99 Code of Ethics 101 Patents 103 Garrett Metal Detectors ...

Страница 7: ...ion capabilities can find trea sure Your GTI 2500 whose microproces sor controlled circuitry has been acclaimed and proven through countless hours of field use is unparalleled in the simplicity of its ability to locate coins jewelry and other metallic objects You will be able to identify the size and depth of any target you locate The GTI 2500 offers dedicated metal detector hobbyists added depth ...

Страница 8: ...ress the TREASURE IMAGING pad to discover its exact location size depth and as well as clues to its identity To pros pect for precious metals or hunt for deeply buried caches switch to the All Metal mode and Fast Track will ground balance the circuitry of your detector precisely and immediately Welcome again to the Garrett treasure hunting fraternity In becoming a part of this great tradition you ...

Страница 9: ... Parts Envelope E Owner s Manual and DVD F Warranty Registration Card Make certain all of these parts are included and are undamaged Report any short ages or damages to your dealer immedi ately Follow these assembly instructions No tools are required Hand pressure will be satisfactory for all tightening Inspect contents of the clear plastic envelope A B C D E F ...

Страница 10: ...One 1 nut B One 1 threaded bolt C Two 2 washers 1 Attach the lower stem to the 9 5 imag ing searchcoil Make certain that the two rubber washers are inserted onto the lower stem see below before slipping the searchcoil onto it A B C ...

Страница 11: ...nd slide on the Upper Stem 4 Depress the buttons in the Lower Stem and insert it into the Upper Stem above right Buttons will pop into the holes and you can achieve the desired stem length The third set of holes from the end is most commonly used 5 As shown wrap searchcoil cable securely around stem and connect to detector The first cable turn goes over the top of the stem The cable should be snug...

Страница 12: ...n be changed easily if required Insert the cable connector into the connector on the control housing as shown above right and rotate the collar clockwise until secure approximately four 4 turns Hand tighten only Your GTI 2500 is shipped with eight 8 AA batteries installed and is ready to use ...

Страница 13: ...ory settings Menu Scroll Allows the operator to scroll through the following settings to make adjustments or turn them ON or OFF The scrollable selec tions vary whether you are in Discriminate see A or All Metal see B mode A If you are in the Discriminate Search Mode your setting choices with the Menu ...

Страница 14: ...re in the All Metal Search Mode your setting choices with the Menu Scroll button are Manual Ground Balance Sensitivity Threshold Frequency Volume Tone Search Aids choose either Auto Track or Search Image and Rechargeable battery All Metal Fast Track Press and release to activate the All Metal Deepseeking mode press and hold to activate Fast Track ground balancing func tion Accept Reject Functions ...

Страница 15: ...r any change or adjustment of controls Discriminate Last Mode When hunting in a Discriminate mode returns detector to the previous Discriminate mode Coins Jewelry Relics Zero Custom that was being used When hunting in the All Metal mode press ing this button activates the Discriminate mode that was last being used Backlight Press and release to switch the backlight on and off Use the GTI 2500 s ba...

Страница 16: ... Upper Scale segment will move This operation is similar to that of the decimal system The and touchpads enable the fol lowing regulation Permit alternation between the five Discriminate search modes Permit adjustment of levels of Sensitivity Depth Threshold Frequency Volume and Tone and in Discriminate and All Metal modes Surface Elimination in Discriminate mode and Auto Track in All Metal mode A...

Страница 17: ...ther mode Move cursor in the Upper Scale when dis crimination is being set in the Discriminate mode Permit adjustments to be made that achieve precise manual ground balance in the All Metal mode Experiment with these touchpads your self and experience the precise degree of regulation possible with the GTI 2500 ...

Страница 18: ...ING automatic pinpointing and sizing touch pad is pressed and held size and depth of targets will also be shown The mode in which you are searching will always be shown on the left side of the screen under the SEARCH MODE heading The word MENU SEARCH or IMAGE is shown at the top of the screen in its center to indicate detector status MENU is shown ...

Страница 19: ...uch pad On the second line are the detector func tions that you can regulate as desired Sensitivity Threshold Frequency Volume and Tone When one of these functions has been illuminated by use of the MENU SCROLL touchpad it can be regulated by pressing the or touchpads Current status of the various Search Aids that you have selected will always be shown on the right side of the screen under the SEA...

Страница 20: ...l enable a hobbyist to identify targets to an amazingly precise degree before they are recovered Target ID Guide This guide printed above the screen show ing coin denominations gold silver and other typical metallic objects is designed to relate location of the Target Cursor with the Imaging Grid to help identify discover ies Note the five letters A B C D E on ...

Страница 21: ...icated as B size targets Upper Scale Indicates target s discovered and their conductivity while in OPERATE mode Indicates target strength when TREASURE IMAGING touchpad is pressed Indicates levels of control settings while in MENU mode Lower Scale Indicates discrimination segments notch es for all discriminate modes indicates depth of all targets in inches when in Treasure Imaging indicates fine l...

Страница 22: ...s of iron or foil Size B Oval extending to B grid lines red all U S coins most rings and small metal trash such as pieces of pull tabs Size C Oval extending to C grid lines purple targets larger than coins and smaller than 12 oz cans such as large rings small belt buckles jewelry and such trash targets as screwtops bottle caps and complete pull tabs Size D Oval extending to D grid lines blue large...

Страница 23: ...ately No special instructions are needed beyond what s included in the next few pages More importantly you can start find ing coins and other treasures right now Here s how To Begin 1 There are no dials to turn and no con trols to adjust Just grasp the handle of your GTI 2500 and hold the searchcoil at least three feet away from any large metallic object 2 Touch and release the POWER touchpad You ...

Страница 24: ...te Coins detec tion mode with Belltone audio turned on 3 Your GTI 2500 begins operating with all settings at factory set levels Any of the settings can be changed easily but you may never want to do so It is recom mended that you use these settings the first 10 hours you hunt with your detec tor ...

Страница 25: ...or two inches above the ground while you scan at a rate of about one to three feet per second Discovery Detection of all metal targets will be indicated by the appearance of a Target Cursor on the Upper Scale A cursor will appear to indicate every detected target and will remain for three seconds or until a new target is detected whichever comes first Desirable targets will also cause an increase ...

Страница 26: ... your detector into a Pinpoint mode so that you can locate your target more precisely and also determine its relative size which will be shown on the Imaging Grid Proper pinpointing and sizing through use of TREASURE IMAGING can be an invalu able aid to treasure hunting when used properly To turn off your detector Simply press and release the POWER touchpad Operating battery power is disconnected ...

Страница 27: ...ith PowerMaster DSP You may have encountered an occasional instance when TreasureVision seemed to present incon sistent information This probably occurred when your detector was attempting to analyze two or more targets beneath its searchcoil or when you have not properly centered the coil over your target This problem of analysis occurs with all detectors but the GTI 2500 discovers vastly more ta...

Страница 28: ...ly master these techniques and learn why the GTI 2500 with DSP TreasureVision and controls based on patented microprocessor technology has more accurate discrimination and bet ter sensitivity and effectiveness than any other detector ever manufactured If you are ever unsure about the settings of your GTI 2500 press and hold the POWER touchpad for five seconds or until the detector beeps to restore...

Страница 29: ...touchpads In its Discriminate mode the GTI 2500 functions like most other detectors and must be moving slightly for detection to occur Microprocessor controlled DSP cir cuitry of the GTI 2500 unlike that of ordi nary detectors however adapts automati cally to the speed of any movement This means that your searches will have the same high degree of accuracy whether you are scanning rapidly to cover...

Страница 30: ...ing either press the OPERATE touchpad to begin hunting or the MENU touchpad to move to another control selection Coins Discrimination preset in the detector for this Discriminate mode that is shown above is designed to eliminate detection of lower conductivity trash targets such as bottle caps most pull tabs and other objects normally encountered in coin hunt ing Some bent pull tabs and pieces of ...

Страница 31: ...ically designed to aid in hunt ing for jewelry with discrimination in the detector s circuitry set to eliminate such trash targets as lower conductivity items and bottle caps Relics This Discriminate detection mode is spe cifically designed for relic hunting with discrimination in the detector s circuitry set to eliminate trash targets normally Graphic Target Imaging 2500 31 ...

Страница 32: ... detector will give an audible signal to announce almost every piece of metal it scans over while cursor s indicate them You can then press Last Mode to return to another of the Discriminate modes to quick check a target Custom This Discriminate mode was designed to be set by the operator When the detector leaves the factory Custom has been set to the Coins mode Through use of the ACCEPT REJECT to...

Страница 33: ...Complete instructions for setting discrimi nation notches for any of these modes can be found on the following pages of this manual Note When the detector is turned OFF and then turned back ON again it will begin operations in the mode in which it was previously operating unless the POWER touchpad is pressed and held for about five seconds initializing a factory reset Factory settings will then be...

Страница 34: ... The Lower Scale contains Discrimination Segments Those that are turned on dark ened represent targets whose conductiv ity will cause sound to increase when they are detected in any Discriminate mode In the Zero mode all segments are turned on which indicates that every metal target will cause the audible sound of the GTI 2500 to increase Through use of the and ACCEPT REJECT touchpads specific not...

Страница 35: ...eg ment will be turned OFF and disappear creating a reject notch If the Lower Scale segment is not showing press the ACCEPT REJECT touchpad to turn it ON creating an accept notch and your GTI will sound off on targets represented by that segment Second Method While in the OPERATE mode pass the searchcoil over an object to be accepted or rejected as a target or pass the particular target across the...

Страница 36: ...ars The same touchpad is used to cause the detector to accept a target When such a desired target is being shown by the cursor but not the corresponding Discrimination Segment below press the ACCEPT REJECT touchpad The segment will be turned ON and appear indicating that your desired target will now cause an increase in sound Note It is important to remember that each time the GTI 2500 is turned O...

Страница 37: ...nt to accept or reject specific targets You may be looking for only one item a certain lost earring for example You can use the matching earring to set notches on your GTI to accept only that type of metal target You may be hunting in an area where you are plagued with a specific type of trash You can reject just this type of trash metal and continue to hunt with no other discrimination detecting ...

Страница 38: ...sily and quickly No other metal detector permits more accu rate or precise discrimination Factory Settings Remember that you can return to preset factory settings at any time simply by pressing and holding the POWER touchpad for five seconds 38 Garrett Metal Detectors ...

Страница 39: ... operate most effectively These changes will be shown on the Upper Scale as you make them Although the instrument s maximum depth is usually desired this is often not feasible because of the type of soil over which you are scanning or because of electromag netic or power line interference Ground mineralization and other considerations can cause static and inhibit the detector s ability to interpre...

Страница 40: ...re ment A continuous pressing results in a continuous adjustment Threshold Pressing the MENU touchpad to display THRESH on the screen below with fac tory setting indicated on Upper and Lower Scales Use the and touchpads to adjust the threshold of sound that is being produced by the GTI 2500 as it scans Multiple touches will increase or decrease the sound level Changes can be seen on the Upper and ...

Страница 41: ...ones are used it will usually be necessary to decrease the threshold level since sound is more audible through headphones Frequency This detector is capable of operating at eight different detection frequencies or channels which you will find valuable if you participate in competition hunting or if you enjoy hunting with others In fact operating your GTI 2500 at a different fre quency might be nec...

Страница 42: ...ch pad until FREQ appears on the screen as shown in the illustration above The Upper Scale will indicate the frequency at which your detector is now operating Use the and touchpads to change this fre quency until you find one with little or no interference Volume After pressing the MENU touchpad to display VOLUME on the screen the fac tory setting for the loudness of the target sound will be indic...

Страница 43: ...e maxi mum volume of sound produced by the GTI 2500 when a target is encountered it will not affect the threshold level you have already selected as the primary audio function of your detector When headphones are used it will usually be necessary to decrease volume since detection sounds are louder over head phones Experiment to determine which volume is best for you Graphic Target Imaging 2500 43...

Страница 44: ...hown above Use the and touchpads to adjust the audio to preferred pitch or tone Touching the pad will raise the tone into a higher treble range while touching will lower the pitch to a bass tone All touches will make changes indicated on the Upper Scale Experiment to find the pitch that suits your hearing 44 Garrett Metal Detectors ...

Страница 45: ...ary to use the Treasure Imaging to obtain size and depth informa tion You can press to turn OFF the func tion and cause the words and the grid to blink Surface Elimination This Search Aid is for use where quanti ties of metallic trash are present on the surface or at shallow depths This func tion eliminates detection of objects of all sizes to the specified depth Use the MENU touchpad to display S...

Страница 46: ...rid Salt Elimination When hunting on an ocean beach or in any area with high salt content you may want to use this Search Aid to eliminate inter ference caused by wetted salt If you wish to turn on the Salt Elimination aid use the MENU to display Salt Elim and press when the word is blinking to turn it ON Press to turn OFF the function and cause the word to blink 46 Garrett Metal Detectors ...

Страница 47: ...rease If you wish to use the Belltone audio enhancement for target sounds no action is necessary at factory settings To turn off this function use MENU to display the word press and the letters will begin blinking Pressing will turn it back on Bi Level Two distinctly different types of sound are produced when the Bi Level audio enhancement is being used Targets of higher conductivity produce a hig...

Страница 48: ...e accurately the condition of standard carbon or alkaline or rechargeable batteries To switch from the standard batteries to the optional rechargeable batteries use MENU to scroll to the battery icon Pressing the or keys will select either stan dard or rechargeable batteries The GTI 2500 has dual scales to display an accu rate indication of either standard carbon or alkaline or rechargeable nickel...

Страница 49: ... continu ally work to keep it ground balanced over varying soil mineralization conditions In this mode it will be possible for you to let the searchcoil hover almost motionless over a target while listening for signals This is true all metal detecting which pro duces the deepest seeking signals You will want to hunt in this mode when greatest depth is sought such as when searching for caches or de...

Страница 50: ...uously through Fast Track and Auto Track it is possible to ground balance the detector manually Fast Track ground balancing is accom plished by pressing and holding the ALL METAL Fast Track touchpad while bounc ing the searchcoil from two to eight inches above the ground When there is a minimal audio response from the ground release the touchpad and begin hunting When the touchpad is released Auto...

Страница 51: ...maging 2500 51 decreased by using the pad With some extreme ground conditions the detector may not be able to achieve per fect ground balance automatically but it will always adapt itself to the best possible solution ...

Страница 52: ...ncy Volume Tone Search Image Battery When your GTI 2500 is operated in the All Metal Search Mode there are two other settings Manual Ground Balance and Auto Track which are described below Manual Ground Balance This control selection will rarely be required since the detector s internal circuitry and the Auto Track automatic ground balanc ing function will usually be satisfactory Under unusual con...

Страница 53: ... screen Raise and lower your searchcoil and listen closely to the audio signal If the sound grows louder as you lower the coil press the pad several times Lift your searchcoil again and lower it to operating height If the sound level now decreases you have made too great a negative adjustment Press the touch pad once or twice Precise adjustment is possible because there are 256 steps on the manual...

Страница 54: ...ion of the GTI 2500 When searching over extremely mineral ized soil it is recommended that you hold the searchcoil at least two inches or more above the ground You will not lose depth but will actually detect deeper because ground mineral influence will be greatly reduced Auto Track This Search Aid permits the detector to maintain optimum ground balance auto matically regardless of hanging mineral...

Страница 55: ...e pad to increase the tracking speed which will be indicated on the Upper Scale When all segments on this scale are lit Auto Track is working at its maximum speed Use the touchpad to decrease tracking speed or to turn OFF Auto Track When no segments are lit and the word is blinking it is turned OFF Additional Information All of the personal preference adjustments you have set in the GTI 2500 with ...

Страница 56: ...e Custom mode Because ground condi tions can vary from place to place it may be necessary for you to adjust Sensitivity Depth occasionally Reminder on Settings If you are ever unsure about the settings of the GTI 2500 you can instantly restore the precise factory set levels of all settings and controls Just press and hold down the POWER touchpad for five seconds or until a beep lets you know that ...

Страница 57: ...ve the coil slightly to make certain that it is directly over the target Targets must pass beneath the searchcoil not above it IMPORTANT The searchcoil must be cen tered directly over the target to produce accurate size and depth information about that target Please note that both size and depth indications of a target can be expected to change on the grid as the target is being centered This is e...

Страница 58: ...change as you pinpoint Depth Reading on Lower Scale When you press and hold the TREASURE IMAGING touchpad target depth will be indicated on the Lower Scale Illumination of Upper Scale segments from left to right indicates strength of the target signal The maximum reading attained will indicate exact target location While still pressing the TREASURE IMAGING touchpad check the Lower Scale to determi...

Страница 59: ...ging on TreasureVision s Imaging Grid The coil must be centered directly over the target to produce accurate size and depth information As you approach the target therefore its indicated depth on the Imaging Grid will become shallower and its size smaller Thus the correct reading on the Imaging Grid will always be the shallowest and smallest This is achieved only when the searchcoil is positioned ...

Страница 60: ...60 Garrett Metal Detectors Four typical examples ...

Страница 61: ...Graphic Target Imaging 2500 61 ...

Страница 62: ...rs call the Cone Such a reading with multiple indications of size and depth indicates that the detect ed target is too deep and or too small to determine an exact size and depth It is likely however that the target is within the size and depth region defined by the Cone In other words the target shown above is likely to be either a Size ...

Страница 63: ...Graphic Target Imaging 2500 63 A at 6 a Size B at 8 a Size C at 10 or a Size D at 12 The Cone may also appear when the target is significantly off center from the coil ...

Страница 64: ...d or trying to set discrimination Tests should be performed as shown with the searchcoil perpendicular to a bench floor or other non metallic surface and several feet away from any large metallic object 1 Select the All Metal mode of operation Bring various metallic targets across the bottom of the searchcoil at a distance of about two inches Each target will cause ...

Страница 65: ... for the sound to increase only when cer tain items are scanned Notice the specific segments in the Upper Scale that darken when various targets are scanned across the coil 3 Perform the same tests with the Jewelry and Relics modes observing sounds and the appearance of the TreasureVision dis play 4 Experiment with the ACCEPT REJECT touchpad as you identify various types of targets Try to imagine ...

Страница 66: ...each scan sweep at least 25 of the search coil s width Wear headphones for greater sound perception and concentrate on your scanning When you are searching in the All Metal or the Discriminate Zero modes detection of any metal target will be indi cated by an increase in sound Target Identification Conductivity classification of every tar get over which the searchcoil passes will always be indicate...

Страница 67: ... over your target to produce accurate size and depth information Always remember that as you center the target its size and depth on the Imaging Grid will appear to grow smaller and shallower The correct reading on the Imaging Grid will always be the shallowest and smallest that will be achieved when the coil is positioned directly over the target Before hunting with the Search Image aid turned ON...

Страница 68: ...roviding a constant display of size and depth information Because sizes and depths of targets may seem to change erratically until the coil is scanned directly over a target the following recommenda tions are offered Always remember that you have two basic information sources concerning your target the Upper Scale Target ID cursor which reports conductivity and the size and depth information that ...

Страница 69: ...aging Grid will be the shallowest and smallest achieved when the coil is scanned directly over the target Only then should you decide whether or not to dig the target Recovery Pinpointing Locating your target precisely will enable you to recover it by digging the smallest hole possible This is accomplished first by pinpointing which also enables you to utilize another function of the GTI 2500 for ...

Страница 70: ... GTI 2500 into an instantaneous dual or triple mode detec tor Pressing and releasing this touch pad returns detector operations to the Discriminate mode that has just previously been used Thus it is easy to alternate between any two Discriminate operating modes such as Coins and Zero or Custom Using the ALL METAL touchpad as well converts the instrument into a triple mode detector More On Target A...

Страница 71: ...ets and can be remedied by raising the height of your searchcoil when scanning or by using the surface elimination feature Another indication of a reject target is an audio signal as you scan one way and no response when scanning from the other direction If you encounter a large target and scan too close to it the detector will give an audible overload indication which sounds like a buzzing alarm ...

Страница 72: ...a level that permits a quiet and stable audio threshold may actually cause you to miss deep targets that you would have found had you not pushed the detector Another point to remember is that when you are searching with SENSITIVITY set below the maximum under less than perfect conditions you will always have additional detection power when you are able to use it Test Plot Construction As you searc...

Страница 73: ...e This is primarily a metallurgi cal phenomenon Experiment with various detection modes and pay close attention to both audio and GTI 2500 signals as you scan Note your detector s response at the various settings Practice pinpointing and imaging to locate targets precisely With Experience After you have hunted with the GTI 2500 for only a short time you will be surprised at how proficient you have...

Страница 74: ...to press only one touchpad and search in the factory pre set Discriminate Coins detection mode for at least 10 hours during your learning phase Remember the more you use your detector in the correct manner the more treasure you will discover Good Hunting ...

Страница 75: ...hones are a valuable accessory for any metal detector to mask interference from outside noise They permit you to hear small and deep targets that might be missed when using only audio from the detector speaker Headphones are particu larly essential when you are hunting where noise running water people surf traffic etc is excessive ...

Страница 76: ...lpful in seeking large and deep targets while the smaller and elliptical coils are designed for use in especially trashy locations or places where a larger searchcoil just won t fit These optional coils do not have the imaging capability Also available is a pinpointing depth mul tiplier for use when hunting for larger deeper objects This system allows greater penetration and the ability to ignore ...

Страница 77: ...rly for a period of several weeks Although standard battery packs and optional rechargeable packs can be used interchangeably in the detector it is rec ommended that both packs being used at the same time always be the same type The GTI 2500 should search 25 to 30 hours with carbon alkaline or high capaci ty rechargeable batteries These estimates are for speaker operation Operating with headphones...

Страница 78: ...n on this option press the MENU touchpad until Recharge is displayed The option is turned off at the factory setting and the word will be blinking Press to turn the option on and the word will become constant Press to turn it off when standard carbon or alkaline batteries are being used Battery Replacement 1 Turn OFF the GTI 2500 by pressing the POWER touchpad 2 Slide battery case back slightly fr...

Страница 79: ...hown in above drawing and remove them completely 4 Take out the two battery holders which are not connected by wire by tilting the pack 5 Press out the old batteries 6 Install new batteries Carefully observe polarity of the batteries and make certain the new batteries are aligned properly ...

Страница 80: ...holders incorrectly closure will be difficult If it is forced however damage to the detector can result Battery packs must be replaced in their proper orienta tion 8 Press down firmly and slide each bat tery cover back in place Remember The detector must be turned off when batter ies are being changed Caution Use only high quality rechargeable NiMH alkaline ...

Страница 81: ... turing Complement it with quality acces sories such as these from Garrett Headphones that will enable you to hear signals from the GTI more distinctly because they will mask other conflicting sounds from the environment Coin Hunter Kit pouch probe digger that is all you need for recovering coins Coil Cover to protect your 9 5 searchcoil and lengthen its lifespan ...

Страница 82: ...mes as much as possible such as storing the detector in an automobile trunk during hot summer months or outdoors in sub freez ing weather Keep your detector clean Always wipe the housing and LCD after use and wash the coil when necessary Your 9 5 searchcoil is submersible The control housing is not Never submerge the control housing and always protect it from heavy mist rain or blowing surf Disass...

Страница 83: ...ling make this a superb instrument for finding coins In addition target sizing presents a sec ond dimension in discrimination When you discover a target whose conductivity as shown on the Upper Scale indicates that it might be a coin check its size If it s not a B size target it can t be a U S coin Whether you choose to hunt for them in a park or on a beach Garrett s factory set Discriminate Coins...

Страница 84: ... that type of trash metal With the GTI 2500 you spend less time digging trash and more time digging coins Custom discrimination enables you to design your own coin hunting mode Any Custom discrimination selections you make will be retained in the detector s memory even after the instrument has been turned OFF Find even more coins by combining the deepseeking capabilities of the GTI 2500 s All Meta...

Страница 85: ...k of this manual or you can call Garrett direct at 1 800 527 4011 to pur chase by credit card Gold Gold and other precious metals can be found in various forms with this detector You will most likely be searching for nug gets but gold can also be found as lode or hard rock deposits in a vein usually mixed with other minerals The GTI 2500 can be used to locate placer deposits in streams or dry sand...

Страница 86: ...rack are quite satisfactory even in extremely mineralized soil but manual ground balancing is always possible All of this is particularly important when searching for tiny gold nuggets Furthermore when prospecting all signal ing targets must be located and carefully inspected It is only in this manner that you can be successful in using a metal detector to discover valuable metal nug gets and ore ...

Страница 87: ...able even necessary Here s a suggestion Occasionally you con tinually encounter one particularly trouble some trash target in an area where you re hunting for gold The GTI 2500 offers you an easy solution Just switch to the Discriminate Zero mode and notch out that single pesky target Then when you encounter suspicious targets in the All Metal mode you can quickly and eas ily check them with your ...

Страница 88: ...You should use the Discriminate Zero setting which offers no discrimina tion Now scan the target again trying to keep the exact same distance If the sound does not change your target is probably a hot rock When this happens ignore the target switch back to the All Metal mode and continue searching If the signal increases at all in the Discriminate mode you should investigate this target more close...

Страница 89: ...2500 when you hunt in its RELICS mode This mode is especially designed to eliminate those nuisance tar gets most often encountered in relic hunt ing You may also want to search in the ALL METAL or ZERO Discriminate modes but you must be prepared to dig metallic trash since you will detect all metal targets in these modes ...

Страница 90: ... all of its precise factory settings Simply hold down the POWER touchpad for five 5 seconds When your detector must be returned to the factory for service always include a letter with the instrument that describes its problem as fully as possible Include your name address and a phone number where you can be contacted between 8 30 a m and 4 p m Central time Before you return your detector to the Ga...

Страница 91: ...ip stems head phones or armrests unless they are part of the problem Be certain to return all coils unless the problem is mechanical Ship to Garrett Metal Detectors 1881 West State Street Garland TX 75042 You can call Garrett s Customer Service Department 972 494 6151 Extension 776 or e mail at sales garrett com if you have further questions Please allow approximately one week for Garrett technici...

Страница 92: ...ial Notice to Foreign Customers Customers outside the United States must contact the retail outlet where their product was purchased to arrange for repair or warranty service To avoid exces sive shipping and import charges do not attempt to return any Garrett products to the factory in the United States without written authorization from Garrett s local agent or representative ...

Страница 93: ...of metal detection equipment and how to use them A special section of the revised edition is devoted to the use of One Touch comput erized detectors For beginners however the new edition of Treasure Hunting for Fun and Profit will prove especially interesting and helpful Where can you hunt How about ghost towns and deserted structures You will read about them in Charles Garrett s Ghost Town Treasu...

Страница 94: ...w Successful Coin Hunting filled with how to tips and success stories about coin hunting Since the GTI 2500 is such an excellent detector for hunting for gold nuggets and ore veins you will be interested in Find Gold with a Metal Detector All hobbyists are urged to familiarize themselves with this most interesting and exciting aspect of metal detecting ...

Страница 95: ...n an area where you believe there may be shallowly buried under ground electric lines or pipes Do not hunt in a military zone where bombs or other explosives may be buried Avoid striking any line known to be or suspected to be carrying electrical power Do not disturb any pipeline particularly if it could be carrying flammable gas or liquid Use reasonable caution in digging toward any target partic...

Страница 96: ...96 Garrett Metal Detectors ...

Страница 97: ...e Americas 9 95 ___ New Modern Metal Detectors 12 95 ___ Gold Panning is Easy 9 95 ___ How to Find Lost Treasure 3 95 ___ How to Find Gold 3 95 ___ How to Search Sand and Surf 3 95 Free with the purchase of any other RAM book or Garrett product If you do not wish to purchase anything but would like a free copy of How to Find Lost Treasure mail 2 00 for postage handling to our address U S orders on...

Страница 98: ...s ___ Enclosed check or money order ___ I prefer to order through ___ American Express ___ MasterCard ___ Visa ___ Discover Card Number ______________________________ Expiration Date of Card _____________________ Phone Number ____________________________ Signature _________________________________ Required on credit card purchases Name ____________________________________ Address _________________...

Страница 99: ...discrimination Controls Easy access touchpads Display High visibility LCD adjacent to touchpads data accessible at any angle Detection Frequency 7 0 kHz adjust able Circuitry Linear transmitter receiver filter front end 16 bit data acquisition 16 bit Digital Signal Processor DSP Microcomputer controlled Crystal controlled 10 MHz operation High reliability surface mount printed circuit board constr...

Страница 100: ...pproximate Alkaline 35 hrs Carbon Zinc 25 hrs Rechargeable 25 35 hrs Humidity 0 to 95 Non condensing Temperatures Operating 0 to 130ºF Storage 20 to 150ºF Construction Aluminum and high strength glass filled nylon with handle mounted control display panel Weight With 9 5 searchcoil 4 lbs 8 ozs ...

Страница 101: ...und Thousands of individuals and organizations have adopt ed this formal Metal Detector Operators Code of Ethics I will respect private and public property all historical and archaeological sites and will do no metal detecting on these lands without proper permission I will keep informed on and obey all laws regulations and rules governing federal state and local public lands I will aid law enforc...

Страница 102: ...rted structures I will not leave litter or uncovered items lying around I will carry all trash and dug targets with me when I leave each search area I will observe the Golden Rule using good outdoor manners and conducting myself at all times in a manner which will add to the stature and public image of all people engaged in the field of metal detection ...

Страница 103: ...atents and other Patents Pending 4 398 104 4 423 377 4 303 879 4 334 191 3 662 225 4 162 969 4 334 192 4 488 115 4 700 139 4 709 213 Design 274 704 and 297 221 G B Design 2 011 852 Australia Design 111 674 Other patents pending All Garrett detectors are manufactured in the United States of America 2008 Garrett Metal Detectors All rights reserved ...

Страница 104: ...104 Garrett Metal Detectors Garrett Metal Detectors 1881 W State Street Garland TX 75042 T 972 494 6151 F 972 494 1881 1 800 527 4011 U S and Canada sales garrett com www garrett com ...

Страница 105: ...105 Garrett Metal Detectors ...

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