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TM
The powerful, all-terrain solution for locating
deeply buried European coins and artefacts!
1881 W. State Street
Garland, Texas 75042
Tel: 1.972.494.6151
Email: sales@garrett.com
Fax: 1.972.494.1881
Owner's Manual
© 2012 Garrett Electronics, Inc. PN 1533300.C.1012

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Summary of Contents for Garrett AT Pro INTERNATIONAL

  • Page 1 The powerful, all-terrain solution for locating deeply buried European coins and artefacts! 1881 W. State Street Garland, Texas 75042 Tel: 1.972.494.6151 Email: sales@garrett.com Fax: 1.972.494.1881 Owner’s Manual © 2012 Garrett Electronics, Inc. PN 1533300.C.1012...
  • Page 2 THANK YOU FOR CHOOSING GARRETT METAL DETECTORS! Congratulations on the purchase of your new Garrett AT Pro ™ metal detector. This enhanced metal detector has been specifically designed for use in Europe's challenging environments. The AT Pro includes Garrett's exclusive Target ID technology and patented discrimination features.
  • Page 3: Table Of Contents

    CARE AND MAINTENANCE ............... 48 Battery Replacement ..............48 TROUBLESHOOTING GUIDE ............. 50 METAL DETECTING CODE OF ETHICS ..........51 CAUTIONS ..................52 WARRANTY / SERVICE ..............53 ACCESSORIES ................... 54 SUGGESTED READING ..............56 Garrett Metal Detectors AT Pro International™...
  • Page 4: At Pro Control Panel

    1. Install batteries. Legend indicates Lower Scale The AT Pro operates with four (4) AA batteries which are metal types. Digital indicates notch Target ID already installed by Garrett. Target ID discrimination pattern. Cursor (also shows indicates High Resolution ground balance probable...
  • Page 5: At Pro Components

    Controls one (1) threaded bolt Camlocks strap If any part is missing, please contact your local dealer. S-shaped Stem Handle Grip Detector  Stand  Padded Arm Cuff      Garrett Metal Detectors AT Pro International™...
  • Page 6: Assembly

    Note: If the O-ring is properly seated, the connector's collar can be easily tightened; if the collar is difficult to turn, the O-ring may not be seated properly. Garrett Metal Detectors AT Pro International™...
  • Page 7: Powering On

    (1) second (until the detector produces a second beep). To restore the factory settings, press and hold the power button for 5 to 10 seconds (until the detector produces a fast double beep). 10 Garrett Metal Detectors AT Pro International™...
  • Page 8: Search Modes

    For those who want to hear more target information, material of the desired object is unknown. All 12 Garrett offers a Pro Mode. The benefits of operating in Pro discrimination pixels are switched on and High-Res Mode include the ability to hear a target's size and depth via Iron Discrimination is set to 0 (zero)—indicating that...
  • Page 9: Pro Detection Modes

    Note: Changes made to the ZERO or COINS modes will not be retained after the detector is switched off. (For information on the use of IRON DISC and NOTCH DISC, see pages 22–26.) 14 Garrett Metal Detectors AT Pro International™...
  • Page 10 In contrast, PRO Mode's proportional audio provides a stronger signal for the shallow coin and a softer signal for the deeper coin. The actual profile, or signature, of the target’s response is heard, thereby providing more information. 16 Garrett Metal Detectors AT Pro International™...
  • Page 11: Tone Roll Audio (Pro Mode)

    As shown, the bottle cap will The discrimination pattern can be adjusted (as described produce a distinctive response of Low-High-Low as compared to the coin’s response of only High tone. in the "Discrimination" section). 18 Garrett Metal Detectors AT Pro International™...
  • Page 12: Digital Target Id

    Target ID). High/Bell Tone: Non-ferrous targets with medium to high conductivity, including most coins and jewelry. Note: PRO Mode produces a high tone; STD Mode produces a bell tone. 20 Garrett Metal Detectors AT Pro International™...
  • Page 13: Discrimination

    Note: Depending upon how the lost earring is laying in the illustrations on next page.) ground, its Target ID may shift a little; therefore, your ability to find it will be enhanced by turning on an additional pixel 22 Garrett Metal Detectors AT Pro International™...
  • Page 14: Iron Discrimination

    Iron detect the good target shown in Illustration 2. Discrimination up or down. The small two-digit number above the words "IRON DISC" on the LCD indicates the iron discrimination setting. 24 Garrett Metal Detectors AT Pro International™...
  • Page 15: Iron Audio

    “ghost signals” that appear to be a good Therefore, the good target is detected due to the combined conductivity target. Garrett’s selectable Iron Audio feature allows the user being higher than that of the discriminated target (nail) alone.
  • Page 16 When Iron Audio is on in the PRO Mode, iron targets will not only be heard, but they will produce an even more distinctive response with multiple tones. For example, a nail will produce several fast low tones as the searchcoil passes over. A flat 28 Garrett Metal Detectors AT Pro International™...
  • Page 17: Sensitivity

    2 to 20 centimeters above the ground. When there is a minimal audio response from the ground, release the pushbutton and begin hunting. The ground balance value will have been indicated in the center of the LCD. Low ground 30 Garrett Metal Detectors AT Pro International™...
  • Page 18: Frequency Adjustment

    Release the PINPOINT button when finished. 20–60: Likely an iron object Note: Frequency adjustments are small and therefore do 0–20: Highly conductive, non-ferrous minerals such as not affect target detection capabilities. saltwater 32 Garrett Metal Detectors AT Pro International™...
  • Page 19: Pinpointing

    Note: For best pinpointing results, maintain a constant height 28 x 22 cm DD your reference point searchcoil. above the ground (e.g. 2cm) and ensure that the detector is for pinpointing. properly ground balanced. 34 Garrett Metal Detectors AT Pro International™...
  • Page 20 5-10cm A quality hand-held pinpointer such as Garrett's Pro- strength is displayed on the LCD). Pointer is a recommended accessory item to speed the target recovery process and to aid in locating secondary targets.
  • Page 21: Hunting Tips

    Tip: Practice any or all of these various pinpointing options in your test plot. Choose the technique that works best for you. CORRECT As you improve your pinpointing accuracy, you will dig smaller SWING holes and increase your productive hunting time. INCORRECT SWING 38 Garrett Metal Detectors AT Pro International™...
  • Page 22 • Swing the searchcoil flat and at a constant height. second. Do not bounce the coil or lift the coil at end of swings. • Swing the searchcoil parallel to the water's edge. 40 Garrett Metal Detectors AT Pro International™...
  • Page 23 The Iron Audio feature can also be used so that all targets above the point of discrimination produce either a medium or high tone (i.e. "good" targets). 42 Garrett Metal Detectors AT Pro International™...
  • Page 24: Bench Tests

    First, set the detector to Standard Mode with Zero For bench testing, place the searchcoil on a flat, stable, non-metallic discrimination and pass the bottle cap across the searchcoil surface that is several feet from other metallic objects. 44 Garrett Metal Detectors AT Pro International™...
  • Page 25: Underwater Operation

    For submersion, optional waterproof completely across the coil again and note the high-tone chirp headphones (available from Garrett) must be used. that is flanked by distinctive low tones on either side. Again, use a conductive, coin-sized target to compare its signature to that of a bottle cap in this PRO Mode Iron Audio setting.
  • Page 26: Care And Maintenance

    Slide optimum performance. battery tray out to replace the batteries. • Replace protective cover on the connector when not using headphones. 48 Garrett Metal Detectors AT Pro International™...
  • Page 27: Troubleshooting Guide

    50 Garrett Metal Detectors AT Pro International™...
  • Page 28: Cautions

    • Do not disturb any pipeline, particularly if it could be detector was purchased. To avoid excessive shipping and carrying flammable gas or liquid. import charges, do not attempt to return a Garrett product to the factory in the United States. • Use reasonable caution in digging toward any target,...
  • Page 29: Accessories

    Additional searchcoils, recovery tools, headphones, carrying bags, mineralized soils. searchcoil covers, Garrett caps and Garrett shirts are available for all detecting accessory needs. Waterproof Headphones— Part No. 2202100 Required when the entire headphone set will be immersed in water.
  • Page 30: Suggested Reading

    SUGGESTED READING RAM BOOKS TITLES Also available—pocket size treasure- RAM Books, a division of Garrett Metal Detectors, publishes hunting field guides written by new titles each year related to treasure hunting, gold pros- Charles Garrett. Collect them all! pecting, coin hunting and relic recovery.
  • Page 31 PN 1533300.C.1012 with illustrations. TO VIEW OTHER RAM BOOKS: Go to www.garrett.com and visit the Hobby Division. An order form is available on our site which can be printed and mailed with your requested titles and payment. 58 Garrett Metal Detectors...

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