Teknetics Gamma 6000 Owner's Manual
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METAL DETECTOR
OWNER'S MANUAL
If you do not have prior experience
with a metal detector, we strongly
recommend that you:
1) Adjust the Sensitivity
to a low setting in the
event of false signals.
Always begin use at a
reduced sensitivity level. Expect chatter or
internal noise at high sensitivity.
2) Do not use indoors. This detector is for
outdoor use only.
Many household
appliances emit electromagnetic energy,
which can interfere with the detector. If
conducting an indoor demonstration, turn
the sensitivity down and keep the search coil
away from appliances such as computers,
televisions and microwave ovens. If your
detector beeps erratically, turn off
appliances and lights.
Also keep the search coil away
from objects containing metal,
such as floors and walls.
3) Use a 9-volt ALKALINE
battery only.
Do not use Heavy Duty
Batteries.

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Summary of Contents for Teknetics Gamma 6000

  • Page 1 METAL DETECTOR OWNER’S MANUAL If you do not have prior experience with a metal detector, we strongly recommend that you: 1) Adjust the Sensitivity to a low setting in the event of false signals. Always begin use at a reduced sensitivity level. Expect chatter or internal noise at high sensitivity.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Terminology ..........3 Assembly .
  • Page 3: Terminology

    TERMINOLOGY The following terms are used throughout the manual, and are standard terminology among detectorists. ELIMINATION Reference to a metal being "eliminated" means that the detector will not emit a tone, nor light up an indicator, when a specified object passes through the coil’s detection field.
  • Page 4: Assembly

    ASSEMBLY Assembly is easy and requires no tools. Loosen both Locking Collars by rotating 100% counterclockwise Insert the Upper Stem into the S-Rod and click Silver Button into hole Position the lower stem with the silver button toward the back. Using the bolt and knurled knob, attach the search coil to the lower stem.
  • Page 5: Assembly

    ASSEMBLY Adjusting the Arm Rest The arm rest may be moved forward or backwards by removing the single screw and nut, and then repositioning the 2-piece arm rest. Users with shorter arms may find the arm rest more comfortable in the forward position.
  • Page 6: Batteries

    BATTERIES The detector requires a single 9-volt ALKALINE battery (battery not included). Do not use ordinary zinc carbon batteries. Rechargeable batteries can also be used. If you wish to use rechargeable batteries, we recommend using a Nickel Metal Hydride rechargeable battery. The battery compartment is located on the back side of the housing.
  • Page 7: Quick-Start Demo

    QUICK-START DEMONSTRATION I. Supplies Needed • a Nail • a Zinc Penny (dated after 1982) • a Nickel • a Quarter II. Position the Detector a. Place the detector on a table, with the searchcoil hanging over the edge. Or better, have a friend hold the detector, with the searchcoil off the ground. b.
  • Page 8: Basic Of Metal Detecting

    THE BASICS OF METAL DETECTING A hobby metal detector is intended for locating buried metal objects. When searching for metals, underground or on the surface, you have the following challenges and objectives: 1. Ignoring signals caused by ground minerals. 2. Ignoring signals caused by metal objects that you do not want to find, like pull-tabs.
  • Page 9: Size And Depth Of Buried Objects

    THE BASICS continued 4. Size and Depth of Buried Objects When using the detector in the motion DISCRIMINATION or ALL-METALS modes, the relative depth of an object is displayed at the bottom of the display in a 3-segment format: shallow, medium, or deep. A more accurate depth reading is available in no-motion mode, using PINPOINT.
  • Page 10: How To Work The Controls

    OPERATION and CONTROLS POWERING UP Press • The detector always starts in the DISCRIMINATION mode. Motion is required. • Sensitivity is at about 70% of maximum (value reads “80”) • All target categories are illuminated, meaning that all metal objects will be detected.
  • Page 11: Menu Selections

    OPERATION and CONTROLS cont. MENU SELECTIONS 1. SENSITIVITY to increase or decrease sensitivity while the SENSITIVITY line is highlighted. Maximum sensitivity setting is 99. Minimum sensitivity setting is 05. If the detector beeps erratically or beeps when there are no metal objects being detected, reduce the sensitivity.
  • Page 12: Disc Level

    OPERATION and CONTROLS cont. MENU SELECTIONS continued 2. DISC. LEVEL to increase or decrease DISCRIMINATION level. Each time you press , more types of metals are eliminated from detection. Elimination occurs from left to right. When a category description (for example “IRON”) disappears from the display, then all targets classified in that category will not be detected.
  • Page 13: Notch

    OPERATION and CONTROLS cont. MENU SELECTIONS continued NOTCH continued At any time, the display screen indicates the current category notches or discrimination settings. Any category whose description is not visible will not be detected. For example, the following settings tell us that: •...
  • Page 14: Of Tones

    OPERATION and CONTROLS cont. MENU SELECTIONS continued 4. # OF TONES While the # OF TONES line is highlighted, use to program the number of different audio tones. Different target categories are identified by different audio tones in order to give you the fastest real-time reference while searching.
  • Page 15: Mode Selections

    OPERATION and CONTROLS cont. MODE SELECTIONS There are four selections under the MODE section of the display. • Press to toggle between DISCRIMINATION, ALL METALS and GROUND GRAB. • While operating in the DISCRIMINATION or ALL METALS mode, press to activate PINPOINT mode. •...
  • Page 16 OPERATION and CONTROLS cont. MODE SELECTIONS continued How to Pinpoint top of the target. Repeat this Position the searchcoil an inch or two procedure to narrow the zone even (2.5-5cm) above the ground, and to the further. Each time you repeat the side of the target.
  • Page 17: Ground Balancing

    OPERATION and CONTROLS cont. GROUND BALANCING 4. GROUND GRAB All soils contain minerals. Signals from ground minerals interfere with the signals from metal objects. All soils differ, and can differ greatly, in the type and amount of ground minerals present. This detector incorporates ground balancing algorithms which eliminate interference caused by the ground minerals found in most soils.
  • Page 18 OPERATION and CONTROLS cont. GROUND BALANCING continued When manually ground balancing, try to “feel out” a spot on the ground to make sure there is no metal present. In order to avoid locking onto metal, the detector will not ground grab where the GROUND setting is less than 40.
  • Page 19 OPERATION and CONTROLS cont. GROUND BALANCING continued When operating in ALL-METALS mode the goal is to eliminate the sound as the coil is being pumped over the ground. In some soils, the sound is not completely eliminated. If the ground balance adjustment is incorrect, there will be a difference in the sound as the searchcoil is either moving toward or away from the ground.
  • Page 20: Target Identification

    TARGET IDENTIFICATION In DISCRIMINATION mode, targets are identified both audibly and visually as follows: 1. Different pitch tones for different types of metals 2. A 2-digit target I.D. 3. An illuminated icon within the target category best describing it The detector must be in DISCRIMINATION mode to identify targets. The ALL METALS mode does not provide target identification.
  • Page 21 TARGET IDENTIFICATION continued 2-Digit Target Identification The 2-digit value in the middle of the screen provides a specific target value to help identify buried targets more accurately. With practice in the field, you will learn to associate target values with specific objects. Coins are more likely to yield the same value with each pass of the coil due to their concentric shape.
  • Page 22: Depth And Target Display

    DEPTH AND TARGET DISPLAY READING THE DISPLAY Many medium size gold ring also register here. The Liquid Crystal Display (LCD) shows the ZINC: Newer US pennies (post-1982), and PROBABLE identification of the targeted metal, Canadian $1 and $2 coins register here. Many non- as well as the PROBABLE depth of the target.
  • Page 23: Trouble Shooting

    TROUBLE SHOOTING TROUBLE SHOOTING GUIDE SYMPTOM CAUSE SOLUTION Detector chatters • Using detector • Use detector or beeps erratically indoors outdoors only • Using detector near • Move away power lines from power lines • Using 2 detectors in • Keep 2 detectors close proximity at least 20’...
  • Page 24: Code Of Ethics

    TREASURE HUNTER’S CODE OF ETHICS: • Always check Federal, State, County and local laws before searching. • Respect private property and do not enter private property without the owner’s permission. • Take care to refill all holes and try not to leave any damage. •...

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