Garrett Metal Detectors Metal Detectors GTAx 550 Manuel d'utilisateur Page 1

6.Wrap the Searchcoil cable snugly about the stem with the first turn of the cable over the stem.Figure 5.7. Insert the Cable into the Connector of th

11FEATURESThe GTAx 550 is designed with Garrett's exclusive Graphic Target ID technology, which indicates the probable identity of a target

is detected, the Target ID cursor will appear below the word or symbol that most likely indicates the type of target found, based on its condu

135. BATT (Battery) - Battery condition is reported continuously by the horizontal row of squares on the lower right of the GTA display.

weighs less than 2 pounds. Yet, all of the controls are still easily accessible and your GTAx 550 display is visible on the control stem of the detec

15TOUCHPADS / CONTROLS1 . POWER - Press and release the POWER touchpad to turn the detector on and off.Note: After turning the detector off, wa

2. PINPOINT (Coin Depth) - Activates pinpointing function and indicates depth of coin-sized targets on the Lower Scale of the Graphic Display.3. LAST

17increase depth and sensitivity; press (-) to decrease. A single touch and release adjusts the level in a small increment. A continuous

interference and irregular ground mineralization may sometimes require reduced sensitivity which usually results in less detection depth.Do

19produced by the GTAx 550 as it scans. Multiple touches and releases are necessary to increase or decrease threshold by one Upper Scale

THANK YOU FOR CHOOSING GARRETT METAL DETECTORS!Congratulations! As the proud owner of the Garrett GTAx 550™ you have joined an international fam

- AND + - Use these touchpads to adjust levels of threshold and depth and to move the cursor in the Upper Scale when setting the discriminat

21HUNTING WITH THE GTAx 550There are no dials to turn and no controls to adjust. Just take the handle of your GTAx 550 and lower the searchco

Target IdentificationTarget identification of the last target over which the searchcoil passed will be indicated on the Upper Scale of the grap

23cannot maintain detection sound with the searchcoil held completely still above your target. This is called manual pinpointing and for many tr

You can also watch the Upper Scale illuminate from right to left to indicate signal strength. The maximum reading attained toward the left will i

25of digging targets, depending on the grass, soil conditions, etc. Always make as small a hole as possible. It is quicker, requires l

The Upper Scale of the graphic display will indicate a detected target. This indication will remain for five seconds or until a new target is detecte

27signal as you scan one way and no response when scanning from the other direction.With ExperienceAfter you have used the GTAx 550 for only a short t

JUNK TARGETSYour GTAx 550, in its factory set B (Coins) detection mode, will not respond audibly to most junk items. Occasionally, you'll encou

29MAKING ADJUSTMENTSWhen you first press the POWER touchpad, your GTAx 550 is ready to hunt, in the B (Coins) operating mode with threshold, de

3target acceptance / rejection, precise discrimination and other key information, you can spend more time digging treasure and less time diggi

Relic hunters, prospectors and others may adapt one of these to hunt for specific targets. Any personal preference adjustments you have set in t

31Mode A (Zero Discrimination) You will want to hunt in this detection mode, which is preset with no discrimination, when searching for caches or deep

Setting Discrimination (Selecting Notches)Using only the discrimination of its two factory-set operating modes, the GTAx 550 will more than sat

33There are two ways to set discrimination. First method: Press the (+) and (-) touchpads to position the blinking Upper Scale cursor ab

Note: Each time the detector is turned off, the accept/reject discrimination selections will be retained in both modes. All selections

35Special Note on SettingsIf you are ever unsure about the settings of your detector, simply press and hold the POWER touchpad for 10

BENCH TESTSBench Tests enable you to test typical trash items and to learn about the discrimination capabilities of the GTAx 550 before

37represents true non-discrimination operation.2. Use the Last Mode touchpad to select the alternate detection mode with its factory pre

TEST PLOT CONSTRUCTIONAs you operate and use your GTAx 550, you will quickly grow more proficient in its use. It is recommended that you build you

39HEADPHONE JACKThe headphone jack on the GTAx 550 is located at the rear of the removable battery pack under the armrest. Headphones are a

TABLE OF CONTENTSGTAx 550 6Parts 7Assembly 8Features 11 Target ID Legend

BATTERIESThe GTAx 550 is equipped with two battery packs, each holding four standard AA batteries. The detector is also designed to use rechargeable b

41The GTAx 550 should operate 25 to 35 hours with carbon or alkaline batteries. Rechargeable batteries will offer slightly less time, depending upon

5. Press out the old batteries from the holders.6. Install the new batteries. Carefully observe polarity of the batteries and place them in the holder

43It is recommended that you remove the batteries when the detector is not in use, particularly for a period of several weeks. Alw

The 9"x12" PROformance—Use to increase detection depth and scanning width for hunting a broad target range.Part No. 2220700The 4

45MAINTENANCEYour GTAx 550 is a sensitive instrument built to withstand rugged treatment in the outdoors. Use your Garrett detector to th

SPECIALIZED HUNTINGFor literature that will explain more about the various types of hunting possible with your GTAx 550 see the RAM Books section (p

47Move your searchcoil across one type of these pieces of trash metal. Watch the target ID cursor for its response and push the A

Since the 550 is a motion detector, it is capable of finding only somewhat larger nuggets (at least BB size).It must be emphasized that prospect

49SERVICE AND REPAIRIn case of difficulty, read this Owner's Manual thoroughly to make certain your detector is not inoperable due

5Making Adjustments 29 Mode A (Zero Discrimination) 31 Mode B (Coins) 31 Setting Discrimination 3

You have carefully packed the detector in its original shipping carton or other suitable box. Make certain that proper insulation or packing ma

51RECOMMENDED READINGSince Garrett's GTAx 550 is one of the world's premier coin hunting detectors, you will be especially interested

Charles Garrett's Ghost Town Treasures. Bob Marx's Buried Treasures You Can Find locates thousands of sites where treasure is kn

53RAM BOOKS ORDER FORMPlease send me the following RAM books:(Please indicate number of copies desired.)___ New Successful Coin Hunting ...

54MAIL-IN ORDER FORMAdd $2.00 for rst book, and $1.00 for each additional book ordered (maximum $3.00) for handling and shipping charges.Tota

55SPECIFICATIONS• Detector type: Very Low Frequency (VLF) transmitter / receiver, Graphic Target Analyzer (GTA) with multiple notch discriminati

56control, display and panel.• Convertible hip mount with self storing cord for minimum weight and optimum balance; Hip Mount • Cable Length:

57MIND YOUR MANNERS!The following is a Code of Ethics that many treasure hunt clubs endorse and hobbyists follow to preserve our exciting hobb

58• I will observe the Golden Rule, using good outdoor manners and conducting myself at all times in a manner which will add

59• Do not hunt in a military zone where bombs or other explosives may be buried.• Do not disturb any pipeline, particularly if it could

GARRETT GTAx 550™6SearchcoilLowerStemUpperStemControlHousingLCDScreenTouchpad ControlsPaddedArm CuffHeadphoneJackDetectorStandHandleGripS-shapedRamrod

1881 W. State StreetGarland, Texas 75042Toll Free: 800.527.4011Tel: 972.494.6151Fax: 972.494.1881Email: [email protected]© 2008 Garrett Electronics, I

7PARTSBefore assembling your GTAx 550 metal detector ensure you have the complete set of parts, which include:• Control Housing w/ S-Ramro

GTAx 550 ASSEMBLYNo tools are required to assemble the GTAx 550. Hand tighten all necessary parts.1. Press the two Mounting Washers into the Lo

93. Insert the Threaded Bolt through the holes of the Lower Stem and Searchcoil. Hand-tighten the searchcoil assembly with the remainin