Teknetics G2+ Owner's Manual
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Teknetics G2+ Owner's Manual

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OWNER'S MANUAL
Use 9-volt
ALKALINE batteries.
Do not use
"Heavy Duty" batteries.
Do not use
ordinary "Zinc Carbon"
batteries.

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  • Page 1 OWNER’S MANUAL Use 9-volt ALKALINE batteries. Do not use “Heavy Duty” batteries. Do not use ordinary “Zinc Carbon” batteries.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction ..........3 Terminology .

  • Page 3: Introduction

    Happy Hunting from Teknetics! Introduction to the G The new G...

  • Page 4: Terminology

    TERMINOLOGY The following terms are used throughout the manual, and are standard terminology among detectorists. A relic is an object of interest by reason of its age or its association with RELIC the past. Many relics are made of iron, but can also be made of bronze or precious metals.

  • Page 5: Assembly

    ASSEMBLY The armrest may be moved forward AdjustingtheArmrest or backward by removing the single screw nut, then repositioning the 2-piece armrest. Users with shorter arms may find the armrest more comfortable in the forward position. In order to move the armrest backward, the plastic plug must be removed from the aluminum tube.
  • Page 6 ASSEMBLY Forcing in MIDDLE STEM with CAM LOCK raised may form a burr on Caution: cam lock. If this happens, remove LOCKING burr with knife to allow insertion. COLLAR INTERNAL CAM LOCK Assemblyiseasyand SILVER BUTTON requiresnotools. Position S-Rod upright. MIDDLE STEM Rotate the LOCKING COLLAR...

  • Page 7: Batteries

    BATTERIES A 3-segment battery indicator at the top-left of the display indicates the battery condition. The detector requires a single 9-volt ALKALINE battery. Donotuseordinaryzinccarbonbatteries. Such low quality batteries may work in the detector but have a short life and Donotuse“HeavyDuty”batteries. are prone to leakage.

  • Page 8: Quick-Start Demo

    QUICK-START DEMONSTRATION • a Nail • a Zinc Penny (dated after 1982) SuppliesNeeded • a Nickel • a Quarter a. Place the detector on a PositiontheDetector table, with the searchcoil hanging over the edge. Or better, have a friend hold the detector, with the searchcoil off the ground.

  • Page 9: Headphones

    QUICK-START DEMONSTRATION and hold the nickel over the searchcoil a. Notice that motion is not required. VIII.Press-and-hold A motionless object induces a hum. b. Notice the variable pitch & volume hum. c. Move the nickel closer to and farther away from the searchcoil. Notice the changing “depth”...

  • Page 10: Basics 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, such as pull-tabs.

  • Page 11: Trash

    THE BASICS OF METAL DETECTING If searching for coins, you want to ignore items like aluminum foil, nails and 2. Trash pull-tabs. These undesirable items are generally identified toward the lower end of the 1-99 scale. You can listen to the sounds of all objects detected, and decide on what you want to dig up.

  • Page 12: Operation And Controls

    OPERATION & CONTROLS • Click the left knob to turn the detector ON. POWERING UP • After clicking the knob on, continued clockwise rotation will increase the “sensitivity” in DISC Mode or the “GAIN” in ALL METAL Mode. • We suggest keeping the GAIN below 70 until you become familiar with the detector’s operation.

  • Page 13: Control Panel

    CONTROL PANEL DISCGND BAL DIS S CGND D BAL CONTROL KNOBS: a. Click right to turn on. Click left to turn off. 1. OFF/ON/G IN b. Turning the knob clockwise increases the detector’s sensitivity; the higher the sensitivity, the deeper targets will be detected, and the more likely the detector will be to detect very small targets.

  • Page 14: Touchpad Controls

    CONTROL PANEL “Gain” increases, or multiplies, the strength of signals from buried metal objects. G IN versus THRESHOLD For maximum detection of the smallest or most deeply buried objects, increase the Gain. To minimize the weakest signals, reduce the Gain. “Threshold”...

  • Page 15: Ground Grab

    OPERATING IN ALL METAL MODE The All Metal Mode is more sensitive than the Discrimination Mode, and is used to find all types of metal objects in the ground. The searchcoil must be in motion for objects to be detected. Naturally occurring minerals in soil look like metal to a metal detector, so you want to Ground Grab ®...

  • Page 16: Reading The Display

    OPERATING IN ALL METAL MODE Most gold prospecting and relic hunting is done by ear. Listen for the louder sounds, Reading the Display riding on top of the constant background hum. As you sweep the searchcoil, notice the Fe (iron oxide) scale to the left of the display.

  • Page 17: Operating In Discrimination Mode

    OPERATING IN DISCRIMINATION MODE Discrimination is used to eliminate trash metal objects (e.g. nails, foil, pull-tabs) from detection. The searchcoil must be in motion to detect metal. The Discrimination Mode is less sensitive to small and deep objects than the All Metal Mode. This feature is not available in Discrimination Mode.
  • Page 18 OPERATING IN DISCRIMINATION MODE to adjust the volume setting when the VOLUME menu option Volume is highlighted. The default volume setting is 7. Press to increase speaker volume. Maximum volume is at setting 20. Press to lower speaker volume. The minimum volume setting is 0, no sound. With volume set to 0, the Target-ID and Depth Bar Graph will function as normal, but the detector will not emit a sound when targets are detected.
  • Page 19 OPERATING IN DISCRIMINATION MODE V-Break (Change audio for certain targets) V-Break is a feature that allows the user to change the audio response of certain targets. V-Break allows the user to program the detector so that any target with an ID in the range of 0 - 80 can induce a LOW tone. Examples: The user sets V-Break to a desired setting (e.g.

  • Page 20: Unwanted Noise

    OPERATING IN DISCRIMINATION MODE Read the section on Electromagnetic Interference. Unwanted Noise This is a highly sensitive device. It is intended for use outdoors. Indoor operation will subject it to electrical interference from a wide variety of devices in the home or office. In Discrimination Mode, when you sweep the coil over the ground it will usually be quieter than when holding the detector still.
  • Page 21 OPERATING IN DISCRIMINATION MODE Each time a target is detected, bars will illuminate on the bottom left showing SIGN L the strength of the target’s signal. If all 7 bars illuminate, the target signal is strong. This may be a large metal object. Or it may be a coin-sized metal object close to the surface.
  • Page 22 OPERATING IN DISCRIMINATION MODE When a target is detected, the rectangular segments representing the target category are illuminated. DISC = 20 Hereisanexampleofonepossiblediscriminationsetting: V-BREAK = 50 NOTCH not set Values from 21 to 50 Values from 51 to 99 will induce a LOW tone will induce V.C.O.

  • Page 23: Ground Balancing

    GROUND BALANCING What is Ground Balancing? Why do I need to Ground Balance? All soils contain minerals. Signals from ground minerals are often tens or hundreds of times stronger than a buried metal object. The magnetism of iron minerals, found in nearly all soils, causes one type of interfering signal.
  • Page 24 GROUND BALANCING Understanding ground conditions assists the user in setting up the machine, knowing when to readjust ground balance, and in understanding the responses of the machine while searching. This detector displays two kinds of ground data: 1. The type of mineralization (which affects where the ground phase should be set).
  • Page 25 GROUND BALANCING The goal of the Ground Balancing procedure is to eliminate the sound as the searchcoil is being pumped over the ground. In some soils, the sound is not completely eliminated. COMPUTERIZED GROUND After balancing to ground with Ground Grab ®...

  • Page 26: Ground Balancing Technical Info

    GROUND BALANCING -Technical Info The Fe 7-segment bar graph indicates the amount of ground mineralization, BARGRAPH independent of type, expressed as an equivalent volume concentration of magnetite (Fe ).   It updates every second.  It is sensitive to motion and will give the most accurate readings if you pump the searchcoil up and down several times over the ground.

  • Page 27: Target Display & Audio

    TARGET DISPLAY and AUDIO the volume and the higher the audio pitch. Very weak signals will have the faintest The lower-left bargraph designates SIGN L Indicator volume and lowest pitch. SIGNAL strength only when operating in For this reason, the use of headphones Discrimination Mode.

  • Page 28: Gold Prospecting

    GOLD PROSPECTING In the United States, gold is commonly found in the western states, Alaska and in a few localities in the Appalachians. Hillsides are the best areas for gold prospecting using a metal detector, because hillsides cannot be cleaned out by panning and dredging the way streams can.

  • Page 29: Relic Hunting

    RELIC HUNTING Searching for coins and relics at Civil War or ghost town sites often means detecting in heavy concentrations of iron and dealing with crop-stubble or forest ground clutter.  can handle the toughest ground mineralization, capable of ground balancing all the way to salt. With its fast retune speed and biaxial searchcoil, the creates superb target separation with impressive depth.

  • Page 30: Hot Rocks

    HOT ROCKS A hotrock is a rock which causes the metal detector to sound off because the rock contains iron minerals. They come in two basic types. Negativehotrocks (also called cold rocks) are usually magnetite or contain magnetite, and give a negative response because their ground balance value is a higher number than the soil they are found in.

  • Page 31: Electromagnetic Interference (Emi)

    ELECTROMAGNETIC INTERFERENCE (EMI) You are likely to encounter electromagnetic interference (EMI) when using your G metal detector. It is important that you recognize EMI and take appropriate measures to deal with it. This will prevent you from giving up on a worthwhile search site, or from returning a properly functioning detector for repair.
  • Page 32 ELECTRICAL INTERFERENCE (EMI) EMI is usually easier to control in the All Metals Mode than in the Discrimination Mode. On the , setting the discrimination level between 20 and 30 will usually reduce interference. In the Discrimination Mode, the detector may chatter if the searchcoil is not in motion, but once you start sweeping it over the ground, the signal from the ground will usually suppress the EMI chatter, except for an occasional pop or click which will not sound like a real target.

  • Page 33: Search Techniques

    SEARCH TECHNIQUES After detecting a target, do the TargetVerification following: WRONG 1. Walk around the target in a circle. 2. While circling the target, continue sweeping the searchcoil across the target. 3. Sweep once every 30° or 40° of the circle. CORRECT If the tone does not change and the Target-ID value is consistent as...

  • Page 34: Target Pinpointing

    TARGET PINPOINTING After you have identified a target using Discrimination Mode, press-and-hold the PINPOINT button to identify the target’s exact location. This technique can yield more information about the target’s shape and size and also find its exact location to facilitate extraction. 1.

  • Page 35: Optional 5"Dd Searchcoil

    Relic-Hunting and Coin-Shooting with the Optional 5” DD Searchcoil While the is a high performance, specialized relic hunting metal detector, it is also a good multi-purpose detector. With the purchase of a 5” DD searchcoil, you can bring more precision to your coin-shooting and gold prospecting searches. The standard 11”...

  • Page 36: Device Specifications

    DEVICE SPECIFICATIONS Mechanical: S-rod with electronics housing on rod, 3-piece breakdown construction, nonmetallic telescoping lower rod, adjustable position Armrest Weight: 2 lbs. 12 oz. (1.25 kg) with battery installed Standardsearchcoil: 11 inch DD (28 cm) elliptical, open face, waterproof Batteries: Single 9 volt rectangular alkaline Operatingprinciple: VLF induction balance Operatingfrequency: 19.2 kHz, crystal controlled Reactiveoverload: 10,000 micro-cgs (with standard searchcoil)
  • Page 37 According to FCC part 15.21 Changes or Modifications made to this device not expressly approved by the party responsible for compliance could void the users authority to operate this equipment. This device complies with FCC Part 15 Subpart B Section 15.109 Class B. This device complies with Industry Canada license-exempt RSS standard(s).

  • Page 38: Warranty

    Liability under this Warranty is limited to replacing or repairing, at our option, the metal detector returned, shipping cost prepaid to Teknetics. Shipping cost to Teknetics is the responsibility of the consumer. To return your detector for service, please first contact Teknetics for a Return Authorization (RA) Number.
  • Page 39 ® Copyright©2015byFirstTexasProducts,L.L.C. Allrightsreserved,includingtherighttoreproducethisbook,orpartsthereof,inanyform. PublishedbyFirstTexasProducts,L.L.C. www.tekneticst2.com 1465 Henry Brennan Dr., El Paso, TX 79936 • (915) 633-8354...

  • Page 40: Accessories

    Camo pouch with two inside pockets, belt included – Stereo Headphones ® Use with Teknetics metal detectors with true stereo. Utilizes 1/4-inch stereo & 1/8-inch plug. Compatible with all Teknetics models with ® 1/4-inch & 1/8-inch jacks. – HEADT Teknetics Pinpointer ®...

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