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OWNER'S MANUAL
If you do not have prior experience with a metal
detector, we strongly recommend that you:
1) Adjust the Gain to a low
setting in the event
of
false
Always begin use at
a reduced Gain level;
increase Gain only after
you
have
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 Gain down and keep the searchcoil
away from appliances such as computers,
televisions and microwave ovens. If your
detector
appliances and lights.
Also keep the searchcoil away from
objects containing metal, such as
floors and walls.
3) use a 9-volt ALKALINE battery.
Do not use Heavy Duty Batteries.
signals.
become
Many household
beeps
erratically,
turn
off
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Related Manuals for Fisher Research Labs Gold Bug Pro
Summary of Contents for Fisher Research Labs Gold Bug Pro
- Page 1 OWNER’S MANUAL If you do not have prior experience with a metal detector, we strongly recommend that you: 1) Adjust the Gain to a low setting in the event false signals. Always begin use at a reduced Gain level; increase Gain only after have become familiar with the detector.
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Page 3: Table Of Contents
TABLE OF CONTENTS Introduction ..........4 Terminology . -
Page 4: Introduction
Happy Hunting from Fisher Research Labs! Introduction to the Gold Bug Pro The new Gold Bug Pro is unique among gold prospecting metal detectors for ®... -
Page 5: Terminology
TERMINOLOGY The following terms are used throughout the manual, and are standard terminology among treasure hunters. reference to a metal being "eliminated" means that the detector will not ELIMIN TION emit a tone, nor light up an indicator, when a specified object passes through the searchcoil’s detection field. -
Page 6: Assembly
ASSEMBLY Adjusting the Armrest The armrest may be moved forward or backward by removing the single screw and nut, and 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 7 ASSEMBLY Caution: Forcing in MIDDLE STEM with CAM LoCK raised may form a burr on camlock. If this happens, remove LOCKING burr with knife to allow insertion. COLLAR Assembly is easy INTERNAL and requires no CAM LOCK tools. SILVER BUTTON MIDDLE Position S-rod upright.
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Page 8: Batteries
BATTERIES A 3-segment battery indicator at the bottom of the display indicates the battery condition. The detector requires a single 9-volt ALKALINE battery. 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 9: Quick-Start Demo
QUICK-START DEMONSTRATION Supplies Needed • a Nail • a Zinc Penny (dated after 1982) • a Nickel • a Quarter 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 10: Headphones
QUICK-START DEMONSTRATION IX. Press-and-hold and hold the nickel over the searchcoil a. Notice that motion is not required. 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 11: 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, like pull-tabs. -
Page 12: 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 0-100 scale. You can listen to the sounds of all objects detected, and decide on what you want to dig up. -
Page 13: Operation And Controls
OPERATION & CONTROLS NOTE: Immediately after powering on, your detector's unique 10-digit POWERING UP serial number is displayed once on the LCD. Two digits are displayed at a time; five 2-digit numbers are displayed in sequence. This 10-digit serial number is the same serial number imprinted on the label inside the battery compartment. -
Page 14: Control Panel
CONTROL PANEL 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 15: Disc / All Metal / Threshold
CONTROL PANEL “Gain” increases, or multiplies, the strength of signals from buried metal G IN versus THRESHOLD objects. For maximum detection of the smallest or most deeply buried objects, increase the Gain. To minimize the weakest signals, reduce the Gain. “Threshold”... -
Page 16: Operating In All Metal Mode
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 ®... -
Page 17: 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 18: 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 19: Using Pinpoint
OPERATING IN DISCRIMINATION MODE Press-and-Hold the Pinpoint button to narrow down the location of a buried metal object. Using PINPOINT Pinpoint is a mode of detection which does not require the searchcoil to be in motion. A motionless searchcoil held over a metal object will induce a hum; volume and pitch of the hum increase with target strength. - Page 20 – OPERATING IN DISCRIMINATION MODE In Discrimination Mode, pressing will change two detection parameters: 1. Tone Identification 2. Target Elimination As the level of discrimination changes, the target segments along the arc on the screen will be displayed in one of three states: 1.
- Page 21 OPERATING IN DISCRIMINATION MODE Notice the segment status along the arc, and the discrimination parameters they represent, vary as you adjust the discrimination level with For DISC values (at bottom right-hand corner of screen) up to 40: - operation is tone discrimination only •...
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Page 22: 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 23 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 24 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. After balancing to ground with Ground Grab CoMPuTErIZED GrouND ®...
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Page 25: Ground Balancing Technical Info
GROUND BALANCING -Technical Info BARGRAPH The Fe 7-segment bar graph indicates the amount of ground mineralization, 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 26: Target Display & Audio
TARGET DISPLAY and AUDIO The stronger the target signal, the higher the volume and the higher the audio pitch. The lower-left bargraph designates SIGN L Indicator Very weak signals will have the faintest SIGNAL strength only when operating in volume and lowest pitch. Discrimination Mode. -
Page 27: Gold Prospecting
GOLD PROSPECTING In the united States, gold is found in many places in the western states, Alaska, and in a few localities in the Appalachians. The old saying "Gold is where you find it," means that to find gold, you should look in areas where the yellow metal is known to be present. - Page 28 GOLD PROSPECTING Because most gold nuggets are tiny, and are usually found in soil which is high in iron oxide minerals, serious gold prospecting requires a detector with high sensitivity and true ground balanced All Metal operation. run the machine with the sensitivity high enough to hear some noise from ground minerals, and learn the language of the sounds you hear.
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Page 29: Hot Rocks
HOT ROCKS A hot rock is a rock which causes the metal detector to sound off because the rock contains iron minerals. They come in two basic types. Negative hot rocks (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 30: Electromagnetic Interference (Emi)
ELECTROMAGNETIC INTERFERENCE (EMI) You are likely to encounter electromagnetic interference (EMI) when using your Gold Pro 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 31 ELECTRICAL INTERFERENCE (EMI) line of defense against EMI. The Threshold control only applies to the All Metal EMI is usually easier to control in the All Metals Mode than in the Discrimination Mode. Mode. on the Gold Bug Pro, setting the discrimination level between 60 and 70 will usually ®...
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Page 32: Search Techniques
SEARCH TECHNIQUES Target Verification After detecting a target, do the following: WroNG 1. Walk around the target in a circle. 2. While circling target, continue sweeping searchcoil across the target. 3. Sweep once every 30° or 40° CorrECT of the circle. If the tone does not change and the Target-ID value is consistent as you circle the... -
Page 33: 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. Pinpoint as follows: 1. -
Page 34: Optional 11"Dd Searchcoil
Relic-Hunting and Coin-Shooting with the Optional 11” DD Searchcoil While the Gold Bug Pro is a high performance, specialized gold prospecting ® metal detector, it is also a good multi-purpose detector. With the purchase of an 11” DD searchcoil, you can bring more power to your coin-shooting and relic-hunting searches. -
Page 35: Treasure Hunter's Code Of Ethics
DEVICE SPECIFICATIONS Mechanical: S-rod with electronics housing on rod, 3-piece breakdown construction, nonmetallic telescoping lower rod, adjustable position Armrest Weight: 2 lbs. 8 oz. with battery installed Standard searchcoil: 5 inch (12.7 cm) closed-frame round biaxial, waterproof Batteries: Single 9 volt rectangular alkaline Operating principle: VLF induction balance Operating frequency: 19 kHz, crystal controlled Reactive overload: 10,000 micro-cgs (with standard searchcoil) -
Page 36: Warranty
To return your detector for service, please first contact Fisher Labs for a return Authorization (rA) Number. reference the rA number on your package and return the detector within 15 days of calling to: Fisher Research Labs, Inc. 1465 Henry Brennan Dr. El Paso, TX 79936 Phone: 915-225-0333 ext.118 NOTICE TO CUSTOMERS OUTSIDE THE U.S.A. - 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 All rights reserved, including the right to reproduce this book, or parts thereof, in any form. Published by Fisher Research Labs, Inc. Fisher is a registered trademark of Fisher Research Labs, Inc. ® www.fisherlab.com 1465 Henry Brennan Dr., El Paso, TX 79936 • (915) 225-0333 GOLD PROSPECTING ORGANIZATIONS www.goldprospectors.org...
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Page 40: Accessories
ACCESSORIES Fisher Padded Carry Bag ® Rugged double stitched construction. Includes handy exterior pocket for extra batteries or small accessories. – 103693000C Fisher Camo Backpack ® Large camouflage and black with Fisher logo. – FCBACKPACK ® Fisher Camo Pouch ® Camo pouch with two inside pockets, belt included.
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