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Omega 8000 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 only after you have become
familiar with the detector.
2) Do not use indoors. This detector is for
outdoor use only.
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.
sensitivity
level;
Many household
increase

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  • Page 1 8 0 0 0 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;...

  • 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 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 A 4-segment battery indicator at the top-left of the display indicates the battery condition. The detector requires a single 9-volt ALKALINE battery (battery not included). Do not use ordinary zinc carbon batteries. Do not use “Heavy Duty” batteries. Rechargeable batteries can also be used. If you wish to use rechargeable batteries, we recommend using a Nickel Metal Hydride rechargeable battery.
  • Page 7 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.

  • Page 8: Quick-Start Demo

    QUICK-START continued VIII. Rotate the DISC knob until the words IRON, FOIL, NICKEL, P-TAB, S-CAP and ZINC all disappear. IX. Wave the nickel a. The nickel will not be detected. Press the NOTCH touchpad on the front panel three times. The word “NICKEL”...

  • Page 9: Basic Of Metal Detecting

    4. Estimating the size and depth of objects, to facilitate digging them up. 5. Eliminating the effects of electromagnetic interference from other electronic devices. Your Omega metal detector is designed with these things in mind. 1. Ground Minerals All soils contain minerals. Signals from ground minerals can interfere with the signals from metal objects you want to find.

  • Page 10: Size And Depth Of Buried Objects

    THE BASICS continued 4. Size and Depth of Buried Objects When using the detector in the motion DISCRIMINATION mode, the relative depth of an object is displayed in the center of the display with the SIGNAL strength indicator. A more accurate depth reading is available in a no- motion mode, using PINPOINT.

  • Page 11: How To Work The Controls

    OPERATION and CONTROLS POWERING UP Click the left knob to turn the detector ON. After clicking the knob on, continued clockwise rotation will increase sensitivity. We suggest keeping the sensitivity below 70 until you become familiar with the detector’s operation. HOW TO WORK THE CONTROLS How mineralized...
  • Page 12 CONTROL PANEL CONTROL KNOBS ARE AS FOLLOWS: 1. SENSITIVITY: a. Click right to turn on. Click left to turn off. 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 13 CONTROL PANEL cont. TOUCHPAD CONTROLS ARE AS FOLLOWS: GND GRAB: Ground Grab. The control allows you to set the detector’s internal ground setting equal to the phase of the ground you are searching over. See the section on Ground Balancing for a more thorough explanation of this feature and the reason for using it.
  • Page 14 TOUCHPAD CONTROLS continued TONES: Number of Tones Selection In Discrimination mode, the OMEGA indicates target type by audio tone. The TONES button allows the user to select one of four different ways to group target types by tone. Your selection depends on personal preference and search objectives. For example, coin shooters usually select d3 or d4.

  • Page 15: 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 as strong as the signal from a buried metal object. The magnetism of iron minerals, found in nearly all soils, causes one type of interfering signal.

  • Page 16: Ground Balancing

    The bottom left-hand corner of the display contains a graphic which indicates if your detector’s ground balance setting needs to be adjusted. The Omega has a tracking system which continuously analyzes the phase of the ground you are searching. It then compares this ground phase value with the detector’s internal Ground Setting indicated on the bottom right of the display.

  • Page 17: Ground Error

    GROUND ERROR cont. * When the detector’s internal Ground Setting is higher than the actual phase of the ground, the bars on the top of the graph will be illuminated. The bigger the error is, the more bars will show up. * When the detector’s internal Ground Setting is lower than the actual phase of the ground, the bars on the bottom of the graph will be illumi- nated.

  • Page 18: Audio Target Id

    GROUND ERROR cont. GROUND ADJUSTMENT CHART or in autotune bars pumping coil appear sounds like then AT TOP AT TOP PUSHING SOUND OUT OF PRESS TO ADJUST GROUND AT BOTTOM AT BOTTOM PULLING SOUND INTO PRESS TO ADJUST GROUND SAME SOUND NO BARS WHEN RAISING ADJUSTMENT...

  • Page 19: Depth And Target Display

    DEPTH AND TARGET DISPLAY READING THE DISPLAY Large gold items will usually register under Tab or Zinc. The Liquid Crystal Display (LCD) shows the PROBABLE identification SILVER TARGETS: Silver objects will of the targeted metal, as well as the normally register to the right of the PROBABLE depth of the target, in scale, under Dime or Qtr depending inches.

  • Page 20: Depth And Target Display

    DEPTH AND TARGET DISPLAY Reading the display continued DEPTH INDICATOR: target indicator, in the middle of the The Depth Indicator is calibrated for LCD display, provides a specific coin-sized objects. It indicates the target value to help identify buried probable depth of the target, in targets more accurately.

  • Page 21: Searchtechniques

    SEARCH TECHNIQUES (in DISC mode) Target Verification After detecting a target, do the following: WRONG 1. Walk around the target in a circle. 2. While circling target, continue sweeping the search coil across the target. 3. Sweep once every 30° or 40° of CORRECT the circle.

  • Page 22: Target Pinpoint

    TARGET PINPOINTING (in PINPOINT mode) After you have identified a target using a motion mode of detection, press-and-hold the PINPOINT pad 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. Pinpoint as follows: 1.

  • Page 23: Unit Specifications

    NOTES UNIT SPECIFICATIONS: Mechanical: S-rod with electronics housing on rod, 3-piece breakdown construction, nonmetallic telescoping lower rod, adjustable position arm rest Weight: 2 lbs 14 oz with battery installed Standard search coil: 10 inch (25 cm) open-frame elliptical concentric, waterproof Batteries: single 9 volt rectangular alkaline Operating principle: VLF induction balance Operating frequency: nominal 7.8 kHz, microprocessor controlled...

  • Page 24: Warranty

    5-YEAR LIMITED WARRANTY The Omega metal detector is warranted against defects in materials and workmanship under normal use for five years from the date of purchase to the original owner. Damage due to neglect, accidental damage, or misuse of this product is not cov- ered under this warranty.

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