Garrett Metal Detectors Metal Detector GTI 1500 User's Manual
Contents
1. Jewelry Relics Zero Custom that was previously being used amp These touch pads permit precise regula tion of the GTI 1500 You will note that each press of a touch pad causes seg ments on the Upper Scale to move either to the right or to the left The and touch pads enable the follow ing regulation Permit alternation between the five search modes Permit adjust ment of levels of sensitivity Threshold Frequency Volume and Tone Activate or turn off Salt Elimination Bell tone target audio and Backlight Activate or turn off the NiMH battery gauge Move cursor in the Upper Scale when discrimina tion is being set in the Operate mode Experiment with these touch pads your self and experience the precise degree of regulation possible with the GTI 1500 Graphic Target Imaging 1500 15 GRAPHIC TARGET DISPLAY Lower Scale Target ID Guide Upper Scale 728 9 VWet 2 OPERATE SEARCHAIDS BELLTONE LET Target ID Guide This guide printed above the LCD screen shows U S coin denominations gold sil ver and other typical metallic objects Upper Scale Indicates target discovered Indicates tar get strength in Treasure Imaging mode Indicates levels of Menu control settings Lower Scale Discrimination segments notches Indicates depth of all targets in inches when in Treasure Imaging mode 16 Garrett Metal Detectors Operating Status The complete operating st2. SPECIAL NOTICE The Garrett GTI 1500 metal detector with Treasure Imaging and Graphic Target Analyzer truly adds a new dimension to treasure hunting A precision electronic instrument designed to utilize the miracles of high technology especially to help find coins the GTI 1500 will accomplish this task better than any other detector ever manufactured It can also locate jewelry gold nuggets or any other kind of metallic object Deep seeking sensitivity and precise dis crimination enable this marvelous instru ment to identify targets by size as well as conductivity and to report actual depth of targets of any size not just coins This exciting One Touch metal detector is automatic and surprisingly easy to oper ate Yet those who have special treasure hunting demands will find the GTI 1500 meticulously adaptable to any personal style of detecting Microprocessor con trolled circuitry truly makes this an excep tionally deep seeking detector Graphic Target Imaging 1500 3 Although the GTI 1500 is built to with stand rugged treatment outdoors while giving years of trouble free service always remember that this detector is a precision electronic instrument Protect it from extreme heat and cold as well as mist rain or blowing sand Keep it as clean as possible 4 Garrett Metal Detectors CONTENTS To The Owner 6 Assembly 9 Touch pads 13 Graphic Target Display 16 Hunting Basics 21 Operating Adjustments 27
3. ground power lines explosives or other items which when struck could cause per sonal injury When searching for treasure with your Garrett GTI 1500 observe these precautions e Do not hunt in an area where you believe there may be shallowly buried under ground electric lines or pipes e Do not hunt in a military zone where bombs or other explosives may be buried e Avoid striking any line known to be or suspected to be carrying electrical power e Do not disturb any pipeline particularly if it could be carrying flammable gas or liquid e Use reasonable caution in digging toward any target particularly in areas where you are uncertain of underground condi tions 84 Garrett Metal Detectors Graphic Target Imaging 1500 85 Garrett Metal Detectors 1881 W State Street Garland Texas 75042 T 972 494 6151 F 972 494 1881 1 800 527 4011 U S sales garrett com www garrett com 86 Garrett Metal Detectors GARRETT METAL DETECTORS www garrett com Garrett Metal Detectors Copyright 2008 All Rights Reserved 1524900 D 0408
4. If it is showing pressing this pad will turn it OFF Remember When you press the ACCEPT REJECT touch pad you cause the dis crimination circuit to reject a target that is shown on corresponding segments of both the Lower and Upper Scales This rejection will be indicated by the disappearance of a Lower Scale segment The same touch pad 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 touch pad The segment will be turned ON and appear indicating that your desired target will now cause a beep Note It is important to remember that each time the detector is turned OFF ACCEPT REJECT selections will be retained only in the Custom mode Any ACCEPT REJECT modifications you have made in the preset Coins Jewelry Relics and Zero modes will be lost since these four 44 Garrett Metal Detectors modes return to factory set detection settings each time the detector is turned OFF and turned back ON Custom mode discrimination changes will be lost only when POWER is held for five 5 seconds for return of factory settings Why Use Notches There are numerous reasons why you would want 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
5. Control Settings 29 Search Aids 35 Operating Modes 38 Setting Discrimination Notches 42 Treasure Imaging 47 Bench Testing 51 Operating Recommendations 53 Headphone Jack 59 Searchcoils 60 Batteries 61 Recommended Accessories 65 Maintenance 66 Specialized Hunting 68 Repair Service 72 Recommended Reading 75 RAM Book Order Form 77 Specifications 79 Mind Your Manners 81 Trademarks Patents 83 Warning 84 Graphic Target Imaging 1500 5 TO THE OWNER As the proud owner of a Garrett GTI 1500 you enter a new and exciting world of treasure hunting Treasure imaging and the Graphic Target Analyzer enable you to find coins with an ease that will take your breath away You will spend your hobby hours in recovering treasure not digging trash Study this Manual to learn the basic func tions of your new GTI 1500 Its target identification and sizing deep seeking and discrimination capabilities can find coins and any other kind of metallic treasure with an ease that will amaze and delight you Use Treasure Imaging to identify the size of any target you locate e Dig only B size targets to avoid cans and similar trash while locating coins and most rings e Set GTA discrimination so that you hunt only for specific targets 6 Garrett Metal Detectors e Use the Target ID Guide to learn what you ve found e Pinpoint electronically to determine loca tion of target and learn size and depth e Find deeper treasures with
6. E An object larger than a 12 0z can Graphic Target Imaging 1500 49 Radiating Size Array While the TREASURE IMAGING touch pad is being pressed and held you may occa sionally observe a size reading that con tinues to change dramatically with the size appearing to radiate rapidly and continually outward from the small oval at the center Garrett engineers call this a Radiating Array effect which indicates that the target is too deep and or too small to determine an exact size It is likely however that the target is either Size A at 6 a Size B at 8 Size C at 10 or Size D at 12 No depth reading will be displayed while the Radiating Array is occurring The Array may also appear when the target is significantly off center from the coil Always remember that your searchcoil must be centered directly over the target to produce correct size and depth information 50 Garrett Metal Detectors BENCH TESTING This will enable you to test typical targets and to learn about the discriminating capabilities of the GTI before taking it into the field or trying to set discrimination The following tests should be performed as shown above with the searchcoil per pendicular to a bench floor or other non metallic surface and several feet away from any metallic object 1 Select the Zero mode of operation Bring various metallic targets across the center of the bottom of the searchcoil at a distance of about two inc
7. achieve maximum detection depth but you may not always be able to search at 100 sensitivity depth just as you rarely can or even want to operate your automobile at 100 of its speed capacity Outside electromagnetic interference and irregular ground mineralization may some times require that you search at reduced sensitivity Don t worry about losing deep targets You won t ever be losing anything because you ll always be able to search as deeply 56 Garrett Metal Detectors as ground and atmospheric conditions permit Attempting to operate at sensitivi ties above a level that permits a quiet and stable operation 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 search and use your GTI 1500 you will quickly grow more proficient in its use Building and using your own test plot will sharply increase this proficiency Bury several items at varying depths of 1 6 about 18 apart Include several coins a ring a nail a piece of foil a pull tab anda bottle cap Bury large items such as a 12 oz can or a length of pipe deeper 10 Clearly mark where each article is buried and its depth Scan over them while care full
8. regulations and rules governing federal state and local public lands e I will aid law enforcement officials when ever possible e I will cause no willful damage to property of any kind including fences signs and buildings and will always fill holes I dig Graphic Target Imaging 1500 81 e I will not destroy property buildings or the remains of ghost towns and other deserted structures e 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 e 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 82 Garrett Metal Detectors TRADEMARKS PATENTS GTI 1500 TreasureVision Graphic Target Analyzer and OneTouch are TM of Garrett Electronics Inc Patent Protection Garrett s high tech instruments are pro tected by one or more of the following U S Patents and other Patents Pending 5 148 151 5 138 262 5 721 489 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 Graphic Target Imaging 1500 83 WARNING Any metal detector may discover under
9. 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 all other metal You may have your own special ideas for designing a mode of detection The Garrett GTI 1500 gives you virtually unlimited opportunities to test any and all your ideas and to try them out easily and quickly Only Garrett s GTI and GTA detec Graphic Target Imaging 1500 45 tors permit such accurate levels of precise discrimination Return to factory settings by pressing and holding the POWER touch pad for 5 seconds 46 Garrett Metal Detectors TREASURE IMAGING Sizing and pinpointing targets precisely are important capabilities of your GTI 1500 Furthermore when you press and hold the TREASURE IMAGING pad the searchcoil can remain stationary over your target Move the coil around slightly to try to center it directly over the target Targets must pass beneath the searchcoil not above it The searchcoil must be centered directly over the target to produce correct size and depth information This is especially important when searching such areas as slanted walls or the ceiling of a cave Targets that are not properly centered may be indicated as deeper and larger than you will find them to be after digging Here s a tip For most effective normal automatic pinpointing first place the searchcoil on the ground nea
10. will further extend battery life Graphic Target Imaging 1500 61 Checking Condition Battery condition is reported continuously by the horizontal row of squares on the lower right side of the screen Five are vis ible when fully charged batteries are being used When only one square remains batteries should be changed You should always carry spares so that you will be ready Rechargeable Batteries When rechargeable batteries are being used the RECHARGE battery option must be turned on for the battery level indi cator to be accurate Continue pressing the menu button to scroll to the battery RECHARGE icon Press to set the detector for rechargeable batteries Press to set the detector for carbon or alka line batteries Replacement 1 Turn OFF the GTI 1500 by pressing the POWER touch pad 2 It is not necessary to remove the bat tery case Just slide it back slightly from its normal position beneath the armrest 62 Garrett Metal Detectors Armrest o Battery Covers 2 3 Slip up the two covers on the battery panel and remove them completely 4 Take out the two battery holders which are not connected by wire by tilting the pack See image above 5 Remove the old batteries 6 Install new batteries Carefully observe polarity of the batteries and make certain the new batteries are aligned properly 7 Replace holders in detector as shown in image on next page It is important t
11. Your GTI 2500 is fully equipped with eight 8 AA batteries 12 Garrett Metal Detectors GTI 1500 TOUCH PADS ele2e3e4258 8 MODE SEARCHAIDS COINS BELLTONE eo 5 oo onus ge ve a SIZE Pinpoint e Power Hold to Reset Turns detector ON and OFF as well as returns it to factory settings when held e Menu Scroll Allows the Operator to scroll through the following settings to make adjustments or turn them ON or OFF As you continue to push the Menu Scroll button you will see the following options M Coins Jewelry Relics Zero Custom Graphic Target Imaging 1500 13 Custom Functions Menu Sensitivity Depth Threshold Audio Level Frequency Volume Tone Rechargable battery Search Aids Salt Elimination Belltone Backlight e Accept Reject Permits acceptance or rejection of specific target segments shown on the Lower Scale to establish discrimination notches e Treasure Imaging Pinpoint When pressed and held activates the automatic pinpointing function In this mode the cursor indicating the target just discovered will blink on the Upper Scale as the target s signal strength is shown Depth of target will be shown on the Lower Scale and size of the target indicated at the bottom of the Display Screen rat Returns to operate hunting mode after any change or adjustment of controls e Last Mode Returns detector to the mode Coins 14 Garrett Metal Detectors
12. arch is important because it is vital that gold always be sought in areas where it is known to exist For literature that will explain more about gold hunting see the Recommended Reading section in this Owner s Manual Graphic Target Imaging 1500 71 REPAIR SERVICE In case of difficulty read this Owner s Manual again thoroughly to make certain your Garrett GTI 1500 is not inoperable because of wrong adjustments or improp er operating methods Your dealer may also be able to offer advice Remember that computerized circuitry of this detec tor permits you to restore instantly all of its precise factory settings Simply hold down the POWER touch pad 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 Garrett factory make certain e You have carefully inspected batteries and their alignment Check batteries especially closely They are the most com mon cause of detector failure 72 Garrett Metal Detectors e You have checked with your dealer e You have tried to restore factory set tings e You have carefully packed the detec tor in its original shipping carton or other suitable box Make certain that proper insulation or pa
13. atus of your detector is shown on the screen at all times When the TREASURE IMAGING pinpointing 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 MODE heading MENU OPERATE IMAGE and SEARCH AIDS are shown at the top of the screen in its center to indicate detector status MENU is shown when the detector is being regulated OPERATE will be illuminated whenever you have pressed the OPERATE touch pad and are hunting and IMAGE when you press and hold the TREASURE IMAGING touch pad SEARCH AIDS is illu minated to indicate the Search Aids that have been activated On the second line are detector functions you can regulate as desired Sensitivity Threshold Frequency Volume Tone and Graphic Target Imaging 1500 17 Rechargeable seen in lower right corner of LCD screen When one of these func tions has been illuminated by use of the MENU SCROLL touch pad it can be regu lated by pressing the or touch pads Treasure Imaging Five target sizes are shown on the color coded Imaging diagram at the bottom of the screen Size A Solid small oval orange tar gets smaller than coins including bits 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 18 Garrett Metal Detectors Size C Oval e
14. audio setting for the GTI will signal the operator with a special ringing sound whenever a target has been located such as a coin of high conductivity shown on the highest first nine from right seg ments on the Upper Scale Other accepted targets will cause a normal beep with a lower tone produced by targets in the iron range four lowest segments on the left of the scale If you wish to use the Belltone audio enhancement for target sounds no action Graphic Target Imaging 1500 35 is necessary at factory settings To turn off this function use MENU to display the word press and the word will begin blinking Pressing will turn it back on Backlight This function of the GTI 1500 lights the control panel so that the detector can be used at night or in dark places The Backlight will turn on automatically when ever the unit is in the MENU mode and will turn itself off when you leave this mode unless you have activated the function as described below If you wish to turn on the Backlight aid use the MENU to display Backlight and press when the word is blinking to turn it on Press to turn off the function and cause the word to blink To maximize battery life it is recommended that you make certain that the Backlight is turned off whenever it is not needed Additional Settings Information All of the personal preference adjust ments you have just set in the GTI 1500 36 Garrett Metal Detectors wit
15. cking material is used to keep all parts secure Do not ship stems headphones or armrests unless they are part of the problem Return any coil that you believe may be causing a problem e Ship to Garrett Metal Detectors 1881 West State Street Garland TX 75042 Foreign shipments must be authorized by a local agent or representative e You can call Garrett s Customer Service Department 972 494 6151 if you have further questions Please allow approximately one week for Garrett technicians to examine and ser vice your detector after receiving it plus another week for return shipping All equipment will be returned UPS or parcel Graphic Target Imaging 1500 73 post unless you give written authorization to ship collect by air parcel post UPS Blue air or air freight 74 Garrett Metal Detectors RECOMMENDED READING Since your Garrett GTI 1500 is a truly universal detector all of the RAM books will be pertinent to its use Of particular interest however will be the revised ver sion of Garrett s popular Modern Metal Detectors a basic text that will help you to understand all types 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
16. computerized circuitry Your GTI 1500 whose microprocessor controlled circuitry has been acclaimed and proven through countless hours of field use is unparalleled in the simplicity of its operation Just touch the POWER touch pad and begin hunting immediately The GTI 1500 offers dedicated coin hunt ers the automatic tuning adjustment pre cision available only with computerized controls When you find a target Garrett s revolu tionary GTA display instantly directs you to that target s range on the Target ID Guide Press the TREASURE IMAGING pad to dis cover its exact size and depth which will give you additional clues to its identity Graphic Target Imaging 1500 7 Welcome again to the Garrett fraternity of successful treasure hunting hobbyists Now find your own coins and other treasures with the GTI 1500 one of the world s most capable and universal metal detectors yet one that is amazingly easy to operate 8 Garrett Metal Detectors ASSEMBLY Your GTI 1500 is shipped complete in one carton A B p S we A Control Housing B Upper and Lower Stems C Imaging Searchcoil D Parts Envelope E Training DVD amp Owner s Manual F Warranty Registration Card Make certain all of these parts are included and are undamaged Report any shortages or damages immediately to your dealer Follow these assembly instructions No tools are required Hand pressure will be satisfactory for all tigh
17. different frequency might be necessary any time two or more detectors are being used so close together that their signals interfere with one another Outside electrical or atmospheric interference can also cause an interference that results in strange sounds Graphic Target Imaging 1500 31 Whenever you hear unusual sounds and believe that you are encountering interfer ence press and release the MENU touch pad until FREQ appears on the screen as shown on the previous page The Upper Scale will indicate the frequency at which your detector is now operating Use the and touch pads to change this frequency until you find one with little or no interfer ence 1828384256278 8s9sDete 2 MENU VOLUME After pressing the MENU touch pad to display VOLUME on the screen the fac tory setting for the loudness of the target sound will be indicated on the Upper Scale as shown above Use the and touch pads to adjust audio to the volume that you prefer Touching the pad will make the sound louder while touching the will lower the volume Since this adjustment 32 Garrett Metal Detectors controls the maximum volume of sound produced by the GTI 1500 only 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 detections sounds are louder over head ph
18. e Use of this touch pad can be particularly helpful while scanning because it effec tively converts your GTI 1500 into an instantaneous dual or triple mode detec tor Pressing and releasing this touch pad returns detector operations to the mode that has just previously been used Thus it is easy to alternate between any two operating modes such as Coins and Zero or Custom Pressing the TREASURE IMAGING touch pad then provides a third all metal mode Mor n Target Audi It is important to remember that the GTI s audio causes weaker targets to be detect ed with shorter beeps and stronger tar gets to be detected with longer beeps When a metallic object is accepted the detector will of course beep Some rejected targets however may cause audio to break Up or sound erratic This is generally a response to shallow trash targets and can be remedied by rais ing the height of your searchcoil slightly when scanning always keeping it level Graphic Target Imaging 1500 55 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 or scan too close to it the detector will give an audible overload indication which sounds like a buzzing alarm Target identification size and depth readings may be incorrect if an overload occurs Setting Sensitivity Garrett engineers designed your GTI 1500 to
19. e in relation to any specific environmental conditions Graphic Target Imaging 1500 29 Press to increase sensitivity Press to decrease A single touch and release adjusts the level in a small increment Continuous pressing results in a continu ous adjustment Ts 2e 32 425 6 728 G9 De t MENU THRESH Press the MENU touch pad to display THRESH on the screen above with fac tory setting indicated on Upper Scale and you can use the and touch pads to adjust the threshold of sound that is being produced by the GTI 1500 as it scans Multiple touches will increase or decrease the sound level Changes can be seen on the Upper Scale You can search silently or at any level of constant sound Charles Garrett and veter an hobbyists usually prefer to operate the instrument at a minimum level of audible sound but this is no longer necessary 30 Garrett Metal Detectors The audio will increase sharply when ever a desirable target is encountered Remember a cursor will indicate every target When headphones are used it will usually be necessary to decrease the threshold level since sound is more audible through headphones e1e2e3e4e5e6e7e 8Be9e Nene 2 MENU FREQ This detector is capable of operating at four 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 1500 at a
20. e the TREASURE IMAGING Pinpoint touch pad was pressed Thus a B size target with a coin s con ductivity as indicated on the Target ID Guide will most likely be a coin Because continued practice in relating size and conductivity will help you identify targets before you dig them you will dig more treasure and less trash 20 Garrett Metal Detectors HUNTING BASICS This OneTouch detector is today s most advanced yet its basic automatic opera tion makes it as simple to operate as any detector ever manufactured You can begin hunting with it immediately No spe cial instructions are needed beyond what s included in the next few pages More importantly you can start finding coins 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 1500 and hold the searchcoil at least three feet away from any large metallic object 2 Touch and release the POWER touch pad and the GTI 1500 will begin detecting The GTI screen appears as shown on the following page You can see that you are operating in the Coins detection mode with Bell tone audio turned on both preset at the factory Graphic Target Imaging 1500 21 TOLD EAH go SILVER CACHE i EERETENESIREN 4eS52e 62728 9e PDetie 2 OPERATE SEARCHAIDS BELLTONE onan 3 Your GTI 1500 begins operating with all settings at factory set levels Any of the settings can be easily changed but you man
21. en you are searching in the Zero mode detection of any metal target will be indicated by a beep Target Identification Conductivity classification of every target over which the searchcoil passes will be indicated by a target cursor on the Upper Scale The searchcoil must be centered over your target to produce accurate size and depth information Highly mineralized soil can occasionally result in improper conductivity readings Graphic Target Imaging 1500 53 Raising the coil an inch or two as you scan over such soil is sometimes helpful Remember to keep the coil level and at a constant height Encrustation or patina may also affect conductivity of the target resulting in improper classification R very Tr re Imagin 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 1500 for measuring size and depth Begin to locate targets by first drawing an imaginary X on the ground with the searchcoil at the place where maximum sound occurs You can then utilize the real magic of the Treasure Imaging mode and learn size and depth Digging Since the final step in recovery usually entails digging always make as small a hole as possible It is quicker requires less work and makes refilling easier You should always fill your holes 54 Garrett Metal Detectors Last Mod
22. g mode In the Zero mode all segments are turned ON which indicates that almost every metal target will cause the beep of a detected target Through use of the and ACCEPT REJECT touch pads specific notches can be created by turning dis crimination segments ON and OFF in any of the five operating modes There are two methods of setting discrimi nation in any mode 42 Garrett Metal Detectors First Method While in the OPERATE mode press the and touch pads to position the blinking cursor above the Discrimination Segment corresponding to the particular target to be detected or ignored If the segment is turned on showing that target will be signaled audibly If you wish to reject that type target press the ACCEPT REJECT touch pad The segment will be turned off and disappear creating a reject notch If the Lower Scale segment is not showing press the ACCEPT REJECT touch pad to turn it on creating an accept notch and your GTI will sound off on targets represented by that segment The OPERATE pad must also be pressed after notches have been set Second Method Pass the searchcoil over an object to be accepted or rejected as a target or pass the particular target across the face bottom of the coil about two inches away Check to make certain of the location of the target cursor on the Upper Scale If the segment below is not showing press ACCEPT REJECT to turn it Graphic Target Imaging 1500 43 on
23. gets most often encountered in relic hunt ing You may also want to search in the Zero Discrimination mode but you must be prepared to dig metallic trash since your detector will sound off on any metal it locates when hunting in that mode Whenever you search in an area where relics are known to exist you can be cer tain to find them with a GTI 1500 Gold Nuggets Gold and other precious metals can be found in various forms with a GTI 1500 You will most likely be searching for gold nuggets which this detector can locate in streams or dry sand Since the GTI 1500 is a motion detector it is capable of finding only somewhat larger nuggets the size of a BB pellet and larger To locate even smaller nuggets pinhead size and slightly larger Garrett s Scorpion 70 Garrett Metal Detectors Gold Stinger is recommended It must be emphasized however that prospectors when using the GTI 1500 or any other quality detector usually prefer to operate in the Zero Discrimination detec tion mode When prospecting discrimi nation may reduce the amount of small nuggets found but some areas contain so much iron trash that a small amount of discrimination becomes highly desirable even necessary You may want to estab lish a special notch to avoid a particular junk metal target that is proving especially bothersome Hard work patience and research are three of the keys to success in hunting for gold with a metal detector Rese
24. h the various operating functions will be retained by the detector when you press POWER to turn the detector OFF These personal alterations are held in a non volatile memory circuit and retained even when the batteries are removed The detector must be turned off when batteries are being replaced Any changes you make in discrimination settings in the various modes however will be retained only in the Custom Mode Because ground conditions can vary from place to place it may be necessary for you to adjust Sensitivity occasionally If you are ever unsure about the settings of the GTI 1500 you can instantly restore the precise factory set levels of all settings and controls Just press and hold down the POWER touch pad for five seconds or until a double beep lets you know that factory settings have been restored Graphic Target Imaging 1500 37 OPERATING MODES Press MENU and use the touch pad to rotate through five different modes of detection that are available each with a specific discrimination configuration as shown on the Lower Scale When the name of the particular mode you select is constant while the other four are blinking either press the OPERATE touch pad to begin hunting or the MENU touch pad to move to another control selection an SESE dre er 1e2e3e4e5e Ge 7ege ge Nene Discrimination preset in the detector for this mode that is shown above is designed to eliminate detection of lower conduc tivi
25. hat you have to baby it Yet always protect the detector and handle it with reasonable care e Try to avoid temperature extremes as much as possible such as storing the detector in an automobile trunk during hot summer months or outdoors in sub freez ing weather e Keep your detector clean Always wipe the housing and LCD after use and wash the coil when necessary e Your searchcoil is submersible The con trol housing is not Never submerge the control housing and always protect it from heavy mist rain or blowing surf e Disassemble the stem and wipe it clean after use in sandy areas 66 Garrett Metal Detectors e When storing for a month or longer remove batteries from the detector and from their holders as well Graphic Target Imaging 1500 67 SPECIALIZED HUNTING Coins Because of its unique discrimination and imaging capabilities the GTI 1500 func tions as an outstanding coin hunting detector especially in its Coins mode Deep seeking capability target conduc tivity and Treasure Imaging information available from Digital Signal Processor DSP circuitry plus the GTI 1500 s ease of handling 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 s not likely to be a U S coi
26. hat the eyelets be toward the center so that battery packs will be replaced in their Graphic Target Imaging 1500 63 proper orientation This is important If an effort is made to install holders incorrectly replacing the battery case covers will be difficult If they are forced damage to the detector can result 8 Press down firmly and slide each cover back in place Remember The detector must be turned off when batteries are being changed Caution Use only high quality NiMH car bon alkaline or heavy duty batteries 64 Garrett Metal Detectors RECOMMENDED ACCESSORIES Your Garrett GTI 1500 represents the highest quality in metal detector manufac turing Complement it with quality acces sories such as these from Garrett e Headphones that will enable you to hear signals from the GTI more distinctly because they will mask other conflicting sounds from the environment e Additional searchcoils e Rechargeable Battery Pack and Recharger that cuts down on the cost of batteries e Coin Hunter Kit pouch probe digger that is all you need for recovering coins in the outdoors e Coil cover to protect your 9 5 searchcoil and lengthen its lifespan Graphic Target Imaging 1500 65 MAINTENANCE e Always remember that your GTI 1500 is a sensitive electronic instrument It is built to withstand rugged treatment in the outdoors Use your Garrett detector to the fullest extent possible and never feel t
27. hes Each target Graphic Target Imaging 1500 51 will cause a beep Pay particular atten tion to the size of each target as indicated when you press and hold the TREASURE IMAGING touch pad 2 Use the MENU SCROLL and or touch pads to select the Coins detection mode Then press OPERATE Bring the same targets across the bottom of the searchcoil and listen for a beep when the various items are scanned Notice where the Target Cursor darkens in the Upper Scale of the Graphic Display when particu lar targets are scanned across the coil 3 Perform the same tests with the other modes and observe the sounds Upper Scale indications and sizes when the TREASURE IMAGING touch pad is pressed and held 4 Begin to experiment with the ACCEPT and REJECT touch pads Notice carefully which of the segments are illuminated as you identify various targets 5 Be methodical Keep written records of results and use them when hunting 52 Garrett Metal Detectors OPERATING RECOMMENDATIONS As you walk scan the searchcoil from side to side in a straight line or slight arc Keep the coil level and at a constant height of one or two inches above the ground while you move it at a rate of about one to three feet per second When scanning do not hurry Be methodi cal Do not skip any areas Overlap each scan sweep at least 25 of the search coil s width Wear headphones to avoid ambient noises and concentrate on scan ning Wh
28. ication multiple notch discrimina tion Controls Easy access touch pads Display High visibility LCD adjacent to touch pads data accessible at any angle backlight Detection Frequency 7 0 kHz adjustable Circuitry Linear transmitter receiver fil ter front end Crystal controlled 13 3 MHz operation High reliability surface mount printed cir cuit board construction Audio Frequency 275 to 710 Hz Batteries Eight 8 AA Graphic Target Imaging 1500 79 Battery Life Approximate Alkaline 25 hrs Carbon Zinc 18 hrs NiMH 20 hrs Humidity 0 to 95 Non condensing Temperatures Operating 0 to 130 F Storage 20 to 150 F Construction High strength glass filled nylon with han dle mounted control display panel Weight With 9 1 2 inch searchcoil 4 Ibs 2 ozs 80 Garrett Metal Detectors MIND YOUR MANNERS Filling holes and obeying no trespassing signs are but two requirements of a dedi cated metal detector hobbyist A sincere request that Charles Garrett makes to every user of one of his detectors is that each place searched be left in a better condition than it was found Thousands of individuals and organizations have adopt ed this formal Metal Detector Operators Code of Ethics e I will respect private and public property all historical and archaeological sites and will do no metal detecting on these lands without proper permission e I will keep informed on and obey all laws
29. mode Through use of the ACCEPT REJECT touch pad a hobbyist can modify this mode s discrimination to individual specifications And modifications will be 40 Garrett Metal Detectors retained by the detector s memory when it is switched OFF Many GTI 1500 owners may rarely use the Custom mode and will hunt only in the preset Coins Jewelry Relics or Zero Discrimination modes Complete instruc tions for setting discrimination notches for any of these modes can be found on the following four 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 Whenever the POWER touch pad is pressed and held however factory settings will be restored and the detector will begin operating in the Coins Mode Graphic Target Imaging 1500 41 SETTING DISCRIMINATION Notches Using only the discrimination of its factory set Coins Jewelry Relics and Zero operat ing modes the GTI 1500 will more than satisfy the requirements of almost every treasure hunter Many will never require any other discrimination Still this detec tor offers more Custom discrimination to tailor a detection mode to any requirement by setting precise detection notches The Lower Scale contains Discrimination Segments Those that are turned on darkened represent targets whose con ductivity will cause a beep when they are detected in any operatin
30. n Small gold coins and antique coins may read A size Whether you choose to hunt for them in a park or on a beach Garrett s factory set Coins mode offers discrimination that responds ideally to conditions normally encountered You may occasionally dis 68 Garrett Metal Detectors cover quantities of specific trash targets that are not being eliminated from detec tion by factory set discrimination You can then use the ACCEPT REJECT touch pad to eliminate these pesky pieces of junk no matter which mode you are using Just move your searchcoil across one of them watch your Upper Scale for its response and push the ACCEPT REJECT touch pad The Lower Scale notch vanishes and you ll have no more trouble from that type of trash metal With the GTI 1500 you spend less time digging trash and more time dig ging 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 and the batteries removed For literature explaining more about coin hunting see the Recommended section in this manual An order blank is included or you can call 1 800 527 4011 to place a credit card order Graphic Target Imaging 1500 69 Relics Relics of all shapes and sizes can be found with a GTI 1500 when you hunt in its Relics mode This mode is especially designed to eliminate those nuisance tar
31. ne over which your search coil has not even scanned Graphic Target Imaging 1500 25 Correct operating techniques will enable you to properly use all of the data pre sented by your detector to become aware of the precise nature of all targets You will quickly master these techniques and learn why the GTI 1500 with DSP Treasure Imaging and controls based on patented microprocessor technology has more accurate discrimination and better sensitivity and effectiveness than other detectors 26 Garrett Metal Detectors OPERATING ADJUSTMENTS an BEEBE EERE Be42526272 829 2 De te 2 MOD MENU OPERATE IMAGE SEARCHAIDS 212826 COINS BELLTONE mm BA ne FEET _ SIZE Status of each of the control selections will be shown on the LCD Graphic Display above the control panel touch pads When you touch the POWER touch pad your GTI 1500 is ready to hunt in a Coins operating mode with threshold sensitivity depth tone and other controls preset at the fac tory as shown above As explained in the following pages settings can be easily changed through regulation of the and touch pads The GTI 1500 functions like other detec tors and its coil must be moving slightly for detection to occur Microprocessor controlled DSP circuitry of the GTI 1500 Graphic Target Imaging 1500 27 unlike that of ordinary detectors however adapts automatically to the coil s rate of movement Your searches will have
32. ones Experiment to determine which volume best suits your hearing 182838455 868728 98D 2 MENU TONE After using the MENU touch pad to display TONE on the screen the factory tone set ting will be indicated on the Upper Scale as shown Use the and touch pads to adjust the audio to preferred pitch or tone Touching the pad will raise the tone into a higher treble range while touching will Graphic Target Imaging 1500 33 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 Battery Gauge The scale lower right of screen indicates the condition of standard carbon or alka line or rechargeable batteries To turn on the rechargeable option press the MENU touch pad until RECHARGE is displayed Press the or touch pad to activate va GOLD CACHE Ta TSHVER CACHE i s RINGS GOLD 11 dg pp 250 Go ahs D E p REENANEE 34 Garrett Metal Detectors SEARCH AIDS Salt Elimination When hunting on an ocean beach or over any ground with high salt content you may want to use this Search Aid to elimi nate interference 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 Bell tone Garrett s Coin Alert Bell tone which is the factory
33. r your target but not over it Then press and hold the TREASURE IMAGING touch pad Scan back and forth across the target maintaining searchcoil contact with the ground You Graphic Target Imaging 1500 47 will notice a more distinct audio sound when the target is directly beneath the searchcoil s center In addition you will note that signal strength on the Upper Scale will increase The Upper Scale cursor indicating the target just discovered will blink even as signal strength is shown Depth R ing on Scal When you press and hold the TREASURE IMAGING touch pad depth will be indi cated on the Lower Scale Correct depth is given for all targets not just for coin size objects Illumination of Upper Scale seg ments from left to right indicates target signal strength The maximum reading attained will indicate exact target loca tion While still pressing the TREASURE IMAGING touch pad check the Lower Scale to determine target depth in one inch increments Size Imaging When you press and hold the TREASURE IMAGING touch pad you can observe your target s size as shown on the Display Screen 48 Garrett Metal Detectors Four typical examples ED BTA AB D E a SIZE Size A An object smaller than a coin a SIZE gt Size B Treasure Imaging showing coin E D BTA AB D E At ZE gt Size C This object is larger than a coin yet smaller than a 12 02 can Size
34. ricas 9 95 New Modern Metal Detector 0000 12 95 Gold Panning is Easy srrnonrrrnrvrvnvsvvrvnvrenerr 9 95 ___ How to Find Lost Treasure 3 95 How to Find Gold rrnrnrnrnvsrnrnvnvsrrnrvnvrennne 3 95 ___ How to Search Sand and Surf ssrsrvrvrrrrnrr 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 only For international orders contact international garrett com Please send payment to RAM Publishing Co 1881 West State Street Garland Texas 75042 Order form continued on back of this page Graphic Target Imaging 1500 77 MAIL IN ORDER FORM Add 2 00 for first book and 1 00 for each additional book ordered maximum 3 00 for handling and shipping charges Total for books 8 25 Tax TX CA residents Handling Charge TOTAL Payment Options ____ 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 City State Zip 78 Garrett Metal Detectors SPECIFICATIONS Detector Type Very low Frequency trans mitter receiver Treasure Imaging and Graphic Target Analyzer for precise target identif
35. structures You will read about them in Charles Garrett s Ghost Town Treasures Bob Marx s Buried Treasures You Can Find locates thousands of sites where trea sure is know to have existed This fine book also includes much good information Graphic Target Imaging 1500 75 about One Touch detectors such as the GTI 2500 You will also be interested in The New Successful Coin Hunting filled with how to tips and success stories about coin hunting Charles Garrett s pocket sized treasure hunting field guides are also highly recom mended Titles in this informative series include How To Find Lost Treasure How To Find Gold Metal Detecting and Panning and How To Search Sand and Surf Since the GTI 1500 is such an excellent detector for hunting for gold nuggets and ore veins you will be interested in You Can Find Gold with a Metal Detector All hob byists are urged to familiarize themselves with this most interesting and exciting aspect of metal detecting 76 Garrett Metal Detectors RAM BOOKS ORDER FORM Please send me the following RAM books Please indicate number of copies desired _ New Successful Coin Hunting 0 0108 9 95 ___ Treasure Hunting for Fun and Profit 9 95 ____ Treasure Caches Can Be Found Ghost Town Treasures 10 You Can Find Gold with a Metal Detector 9 95 _ Buried Treasures You Can Find 14 95 Gold of the Ame
36. tening Graphic Target Imaging 1500 9 O O EF mm Inspect contents of the clear plastic enve lope see above One 1 knob Two 2 Washers One 1 threaded bolt 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 before slipping the searchcoil onto it Place the threaded bolt through the holes in the connector and hand tighten using the remaining wing nut Use no tools See image A on page 11 10 Garrett Metal Detectors Image A Image B 2 Depress buttons in the Control Housing stem and slide on the Upper Stem see Image B above 3 Depress the buttons in the Lower Stem and insert it into the Upper Stem Buttons will pop into the holes and you can achieve the desired stem length The third set of holes from the end is most com monly used 4 As shown see Image C on follow ing page 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 but still slightly loose so that the angle Graphic Target Imaging 1500 11 4 lt Image C Image D of the searchcoil can be changed easily if required To connect the cable to the detector insert the cable connector into the connector on the control housing as shown and rotate the collar clockwise until secure approximately four 4 turns See Image D above Hand tighten only
37. the same high degree of accuracy whether you are scanning rapidly to cover a large area quickly or moving methodically and very slowly over a location with multiple targets Automatic circuitry is designed to provide precise ground balance at any speed Five different modes of detection are available each with specific discrimination notches which are shown on the Lower Scale When the name of the particular mode you select is constant while the other four are blinking either press the OPERATE touch pad to begin hunting or the MENU touch pad to move to another control selection 28 Garrett Metal Detectors CONTROL SETTINGS nsitivity Depth 12a Seow Se Ge Fee Ge De ne ME SENSITIVITY Press the MENU touch pad to display SENSITIVITY on the screen shown with factory setting at approximately 75 as indicated on the Upper Scale and you can use the and touch pads to adjust the sensitivity at which your detector will oper ate most effectively These changes will be shown on the Upper Scale Although the instrument s maximum sensitivity 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 limit the detector s ability to interpret target information This control option permits you to achieve a stability that per mits maximum detection depth possibl
38. ty trash targets such as bottle caps most pull tabs and other objects normally encountered in coin hunting Some bent pull tabs and pieces of tabs may not be eliminated from detection Successful 38 Garrett Metal Detectors treasure hunters however all understand that they must dig some junk occasionally Correct operation of the GTI 1500 should reduce this wasted effort SERRE RERERR Eee 18528324285 6272 8 292 te This detection mode is specifically designed to aid in hunting for jewelry with discrimination in the detector s circuitry set to eliminate such trash targets as lower conductivity items and bottle caps This detection mode shown above is specifically designed for relic hunting with discrimination in the detector s circuitry set to eliminate trash targets normally associated with relic hunting while includ Graphic Target Imaging 1500 39 ing good targets in the lower conductivity range items generally sought by most relic hunters Zero Discrimination This mode shown above permits you to hunt with no discrimination and offers a method of dual mode hunting Your detector will give a beep to announce any metal it scans over while a cursor indicates it You can then press Last Mode to return to another of the Discriminate modes to quick check a target Custom This mode was designed to be set by the operator When the detector leaves the factory Custom has been set to the Coins
39. wn above Since you have a B size target and your Target Cursor is blinking at 9 you have probably found a quarter Pinpointing and sizing through TREASURE IMAGING can be an invaluable aid to trea sure hunting when used properly To turn OFF your detector Simply press and release the POWER touch pad Charles Garrett recommends that you first become familiar with your new detector by hunting for at least 10 hours in the factory preset 24 Garrett Metal Detectors Coins mode and that you read carefully the Warning section in this manual By now you are also certainly impressed with the super sensitivity depth capabili ties and the target analysis of this detector which utilizes patented DSP Digital Signal Processing methods to give it advanced detection capabilities that can be matched by those of only one other detector the GTI 2500 You may have encountered an occasional instance when your GTI 1500 seemed to present inconsistent informa tion This probably occurred when the 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 1500 discovers vastly more targets than old style instru ments with their limited circuitry In addi tion the deep seeking power of the detec tor may sometimes cause it to detect but fail to identify clearly a target some dis tance away o
40. xtending to C grid lines purple targets larger than coins and smaller than 12 0z cans such as large rings small belt buckles jewelry and such trash targets as screw tops bottle caps and complete pull tabs Size D Oval extending to D grid lines blue larger belt buckles large jew elry items 12 0z cans and other items of similar size Size E Oval extending to E grid lines green objects larger than a 12 02 can such as kettles strongbox or big metallic trash Experience with Treasure Imaging will enable a hobbyist to identify to an amaz ingly precise degree any target before it is recovered The Target ID Guide print ed above the LCD screen showing coin denominations gold silver and other typi cal metallic objects is designed to relate location of the Target Cursor with the size indication to help identify discoveries Note The five letters A B C D E on each Graphic Target Imaging 1500 19 side of the diagram and the horizontal color coded lines connecting them These refer to the five relative sizes at the bot tom of the Display Screen Relating conductivity and size to help determine your target before digging it is a unique feature of the GTI The target cursor on the Upper Scale which indicates the target s conductivity will blink as you pinpoint a target and learn its size as indicated at the bottom of the Display Screen The blinking cursor will indicate the last target discovered befor
41. y life Graphic Target Imaging 1500 59 SEARCHCOILS Your GTI 1500 is equipped with a 9 5 PROformance imaging coil You may also wish to purchase a 12 5 imaging coil Also available for the GTI 1500 are a 4 5 Sniper coil a 10 x 14 DD coil and a 5x10 DD coil The larger coil is helpful 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 reach or can t fit All Garrett searchcoils are fully submersible 60 Garrett Metal Detectors BATTERIES The GTI 1500 is equipped with two bat tery packs each holding four 4 standard AA batteries It is recommended that top quality heavy duty or alkaline batteries be used The detector is also designed to utilize nickel metal hydride NiMH rechargeable batteries It is advisable to remove the battery packs when the detec tor is not in use particularly for a period of a month or more Although standard battery packs and optional rechargeable packs can be used interchangeably in the detector it is recom mended that both packs being used at the same time always be the same type The GTI 1500 should search at least 18 hours with carbon batteries and longer with alka line cells Rechargeables should power the detector approximately 20 hours on a full charge These estimates are for speaker operation with the Backlight turned off Operating with headphones
42. y never want to do so It is recom mended that you use the factory settings the first few hours you hunt with your detector Scanning Swing the searchcoil back and forth in front of you in a straight line or slight arc as shown in the photograph atop the fac ing page Keep the searchcoil moving at a rate of about one to three feet per second Maintain your coil at a height of one to two inches The coil should be kept level at all times 22 Garrett Metal Detectors Discovery Detection of all metal targets will be indicated by the appearance of a Target Cursor on the Upper Scale A cursor will appear as shown below to indicate every detected target and will remain for 4 seconds or until a new target is detected whichever comes first Desirable targets will also produce a beep In the illustra tion below the Target Cursor is located at 9 which would probably indicate a quar ter if Treasure Imaging shows it to be a B size target Locate your target by scanning back and forth over it to determine where signals are strongest Eana GOLD CACHE Po a fa m z oa GOOG O 0 Graphic Target Imaging 1500 23 Tr re Imaging Pinpoint Press and hold this touch pad to put your detector into a Treasure Imaging Pinpoint mode so that you can locate your target more precisely and also deter mine its relative size and depth Size will a SIZE gt be shown at the bottom of the Display Screen as sho
43. y studying the detection signals Graphic Target Imaging 1500 57 Remember that newly buried objects especially coins will be somewhat more difficult to detect than items buried for some time This is primarily a metallurgi cal phenomenon Experiment with various detection modes and pay close attention to both audio and TREASURE IMAGING 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 1500 for only a short time you will be surprised at how proficient you have become with it Do not expect to achieve the great est accuracy and success however until you have used this detector for at least 100 hours or more Don t forget to take Charles Garrett s advice to press only one touch pad and search in the factory preset Coins detection mode for at least 10 hours during your learning phase Remember the more you use your detec tor in the correct manner the more trea sure you will discover 58 Garrett Metal Detectors HEADPHONE JACK The headphone jack is located at the rear of the battery pack under the armrest Headphones are a valuable accessory for any metal detector to mask interfer ence from outside noise Headphones are particularly essential when hunting where noise running water people surf traffic etc is excessive Use of headphones will also extend batter
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