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Manual Fisher GEMINI-3

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  • Fisher GEMINI-3 - page 1

    FISHER RESEARCH LABORATORY 200 W est Willmott Road Los Banos, Califor nia 93635 T el 209.826.3292 Fax 209.826.0416 www.sherlab.com email:info@sherlab.com QUALITY Fisher detectors are renowned for their quality. Each detector is hand crafted in the USA with pride. PERFORMANCE T reasure Hunters worldwide rely on Fisher . Our detectors are durab ...

  • Fisher GEMINI-3 - page 2

    CONTENTS About Your Gemini-3 ............................................................... pg. 3 Basic Theory of Operation ....................................................... pg. 4 Depth ......................................................................................... pg. 5 Transmitter ................................................. ...

  • Fisher GEMINI-3 - page 3

    3 ABOUT YOUR DETECTOR Two-box metal detectors have long been used by prospectors, geologists, treasure hunters and public utility companies to locate large, deep objects, ore vein, pipes and cables. Fisher Resear ch Laboratory is the recognized leade r in the e ld, in fact, they were grante d the rs t two-box metal detector patent over 60 yea ...

  • Fisher GEMINI-3 - page 4

    4 BASIC THEORY OF OPERATION The GEMINI-3 was engineered to detect conductivity ch ang es i n th e e a rt h ov e r w hi ch i t is ca r ri e d. H en c e , a po s it i ve re spo nse by th e GE M IN I -3 in d i ca t es the pr e s en c e of a metal object, ore vein or mineral that is more conductive than the surrounding rock or soil. The function of the ...

  • Fisher GEMINI-3 - page 5

    5 DEPTH The GEMINI-3 was designed to locate large, deep objects such as an iron chest, pipe or an ore vein. It will not detect small coin- sized objects. A quart jar full of coins, however , may be detected one-to-three feet deep. A 55-gallon drum may be detected as deep as 10 feet. A very large object, like an automobile, may be detected at 20 fee ...

  • Fisher GEMINI-3 - page 6

    TRANSMITTER Battery Level Meter Power Switch Ground Plate Jack Figure 2. Transmitter Power Switch: Pull out switch turns on power . Ground Plate Jack: Use d with the opt ional Ground Plate Assem bly for the Conductive T race Mode. Battery Level Meter: Gives a visual indication of battery strength. Replace batteries if below 5 on meter . 6 19 BATTER ...

  • Fisher GEMINI-3 - page 7

    RECEIVER Speaker: Provides audible indication of the receiver signal for balancing and detecting. Met er: Prov ides vis ual indi cati on of th e Receiv er signa l r espo nse for balancing and detecting. Also used as a battery test indicator . Sensitivity Control: Used to control sensitivity level. The circled “7” indicates the starting level us ...

  • Fisher GEMINI-3 - page 8

    8 SEARCHING Narrow Scan Inductive Search This mode of operation is per for med by a single operator using the 3-piece handle. It is the best method for locating small or short objects (chest, coin-jar , rie, etc.). However , it is also an effective way to locate pipes, cables and ore veins. Set Up 1. Assemble the 3-piece handle by inserting each ...

  • Fisher GEMINI-3 - page 9

    9 Tuning 1 . Set th e t ran smi tte r: P owe r: ON 2. Se t t he Rec eiv er: Pow er: ON Sen sit ivi ty: 7 Y ou should get a strong audio to ne and meter ind ica tio n a t t his po int . CAU TIO N: Never atte mpt to tu ne the GE MIN I-3 in the pr e se nc e of me t al obj e ct s li k es car s , me ta l wal ls , roo f s or heav y meta l reinf or cem en ...

  • Fisher GEMINI-3 - page 10

    10 SEARCHING 7. Y ou are rea dy to sear ch wh en the B ALA NCE kn ob is adju sted wit hin the 1/8 - to 1/4-turn sile nce (nul l) spa ce. This is ext re mel y impo rta nt! If this pr oce dur e is not followed correctly, the GEMINI-3 will either constantly give false audio and meter readings (sensiti vity too high), or no sig nals at all ( sensitivit ...

  • Fisher GEMINI-3 - page 11

    11 SEARCHING 5 . For eve n more accur ate pinpo int ing of short objec ts, (i. e., a pip e, cable , etc .) appr oac h the tes t obj ect at r igh t ang les fro m you r pr evi ous dir ect ion . Mar k the gr oun d as you did bef ore . Y our te st ob jec t shou ld be abo ut cen ter ed be twe en fou r m ark s. 6 . T o e st ab li sh the pa th of a pip e, ...

  • Fisher GEMINI-3 - page 12

    12 SEARCHING Wide Scan Inductive Search This mode of op era tio n is the pr ef err ed me tho d for sea rc hin g a lar ge ar ea quic kly . Two o per ato rs ar e re qui red an d t he han dle as sem bly is no t u sed . The Wid e Sca n In duc tiv e Sea rch mod e is pr act ica l only when sear ching for ore veins , pipes or cable 40 feet long or mor e. ...

Manufacturer Fisher Category Metal Detector

Documents that we receive from a manufacturer of a Fisher GEMINI-3 can be divided into several groups. They are, among others:
- Fisher technical drawings
- GEMINI-3 manuals
- Fisher product data sheets
- information booklets
- or energy labels Fisher GEMINI-3
All of them are important, but the most important information from the point of view of use of the device are in the user manual Fisher GEMINI-3.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Fisher GEMINI-3, service manual, brief instructions and user manuals Fisher GEMINI-3. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Fisher GEMINI-3.

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A complete manual for the device Fisher GEMINI-3, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Fisher GEMINI-3 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Fisher GEMINI-3.

A complete Fisher manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Fisher GEMINI-3 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Fisher GEMINI-3, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Fisher GEMINI-3, that we can find in the current document
3. Tips how to use the basic functions of the device Fisher GEMINI-3 - which should help us in our first steps of using Fisher GEMINI-3
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Fisher GEMINI-3
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Fisher GEMINI-3 in a specific country, if it was not possible to solve the problem on our own.

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