9/24/2019 Fisher M Scope Manual
. M-66 Valve and Box Locator (Metal Detector) Operating Manual F I S H E R R E S E A R C H L A B O R A T O R Y. CONTENTS Description.pg.
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3 Control Panel.pg. 4 Setting Up.pg.
5 Tuning.pg. 5 Searching. 6 Specifications.
DESCRIPTION The Model 66 Valve and Box Locator (M-66) offers the utility indus- try an uncomplicated detector for finding buried metal objects. This all-metal metal detector can even search through concrete and asphalt. Please note that the M-66 is a Metal Detector which should not be a substitute for a Utility Line Tracer. Battery Test button will indicate battery strength.This is a no-load battery test. On/Off Ground Rejection This control turns the M-66 on and off. It is used to electronically balance the M-66 to compensate for the natural mineral content of the soil or ground surface.
M-66 SETTING UP The M-66 comes ready to use. Extend the lower stem of the M-66 so that the search coil rests between 6 to 12 inches in front of your feet.
Your arm should be straight and relaxed with your grip held loosely.Tighten the locking knot at the bottom of the upper stem. (respond) to be larger then it should.
To get a visual outline of the target, you need to reduce the sensitive of the M-66. An easy way to do that is to raise the coil and pass over the target.
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This can help establish the edges of the target. Shipping Dimensions. 34.75” x 12.75” x 5.25”. (88.3 x 32.4 x 13.3cm) Fisher Research Laboratory does not warrant suitability to specific use.
Fisher Research Laboratory shall in no event be liable for any direct, incidental, conse- quential or indirect damages. REPUTATION Fisher produced the first patented metal detector in 1931. For over 70 years, the Fisher logo has been a mark of excellence.
2 YEAR WARRANTY Fisher believes in the products we produce and backs this belief with a 2 year limited warranty. Warranty may vary outside the United States.
Our goal is to provide you with a quick access to the content of the user manual for Fisher M-SCOPE GEMINI-3. Using the online preview, you can quickly view the contents and go to the page where you will find the solution to your problem with Fisher M-SCOPE GEMINI-3. For your convenience If looking through the Fisher M-SCOPE GEMINI-3 user manual directly on this website is not convenient for you, there are two possible solutions:. Full Screen Viewing - to easily view the user manual (without downloading it to your computer), you can use full-screen viewing mode. To start viewing the user manual Fisher M-SCOPE GEMINI-3 on full screen, use the button Fullscreen. Downloading to your computer - You can also download the user manual Fisher M-SCOPE GEMINI-3 to your computer and keep it in your files.
However, if you do not want to take up too much of your disk space, you can always download it in the future from ManualsBase. Advertisement Print version Many people prefer to read the documents not on the screen, but in the printed version. The option to print the manual has also been provided, and you can use it by clicking the link above - Print the manual. You do not have to print the entire manual Fisher M-SCOPE GEMINI-3 but the selected pages only.
Summaries Below you will find previews of the content of the user manuals presented on the following pages to Fisher M-SCOPE GEMINI-3. If you want to quickly view the content of pages found on the following pages of the manual, you can use them. Summary of the content on the page No. 1 Q U A L I T Y Fisher detectors are renowned for their quality.
Gemini-3 Each detector is hand crafted in the USA with pride. Deep Search, Two Box Metal and Mineral Detector PERFORMANCE Treasure Hunters worldwide rely on Fisher. Our detectors are durable, dependable, and search deeper. REPUTATION Fisher produced the first patented metal detector in 1931.
For over 70 years, the Fisher logo has been a mark of excellence. 5 - YEAR LIMITED WARRANTY Fisher believes in the products they produce and Summary of the content on the page No.
2 CONTENTS SPECIFICATIONS About Your Gemini-3. 3 Basic Theory of Operation. 4 Notes Depth.pg.
5 Transmitter.pg. Subject to improvement or modification without notice. Summary of the content on the page No. 3 SPECIFICATIONS ABOUT YOUR DETECTOR 2 Two-box metal detectors have long been used by Dimensions prospectors, geologists, treasure hunters and public utility Length on handle.49 1/2 inches companies to locate large, deep objects, ore vein, pipes Transmitter-Receiver Box Assembly and cables. Fisher Research Laboratory is the recognized.9 1/4 x 12 x 6 inches(23.5 x 30 x 15 cm) leader in Summary of the content on the page No. 4 Where To Use Your Metal Detector In The U.S. BASIC THEORY OF OPERATION The GEMINI-3 was engineered to detect conductivity National Forest and Federal Lands—Metal detecting is allowed only by special permit acquired from the federal government.
Changes in the earth over which it is carried. Hence, a positive Each area has a district office. Response by the GEMINI-3 indicates the presence of a metal Corps of Engineers, Lakes, Shorelines and Lands—Permission has object, ore vein or mineral Summary of the content on the page No. 5 TREASURE HUNTERS’ CODE OF ETHICS DEPTH LETS PRESERVE OUR TREASURED SPORT!
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 Laws governing the use of metal detectors are becoming one-to-three feet deep.
A 55-gallon drum may be detected as more and more common. In many countries, the use of metal deep as 10 feet. A very large object, like an Summary of the content on the page No. 6 BATTERY REPLACEMENT TRANSMITTER Power Switch: Pull out switch turns on power.
Turn either instrument (Transmitter and Receiver) over on its face and remove access plate with coin or large Ground Plate Jack: Used with the optional Ground Plate Assembly blade screwdriver. For the Conductive Trace Mode. Lift the battery pack out carefully. Turn the battery Battery Level Meter: Gives a visual indication of battery strength. Pack slightly, unsnap the battery connector and slip off the Summary of the content on the page No.
7 RECEIVER PROSPECTING TIPS Sources of Error Speaker: Provides audible indication of the receiver signal for The most common nonproductive zones of balancing and detecting. Conductivity are: Meter: Provides visual indication of the Receiver signal response for 1. Dissolved mineral salts - Mineral salts become balancing and detecting. Also used as a battery test indicator. Conductive when dissolved in water. As a result, the Sensitivity Control: Used to control sensitivity level.
The cir Summary of the content on the page No. 8 SEARCHING PROSPECTING TIPS Mapping Narrow Scan Inductive Search When an area of high conductivity is encountered, This mode of operation is performed by a single operator using outline and stake it by crossing and recrossing, using the 3-piece handle. It is the best method for locating small or short the Narrow Scan Inductive Search mode. It will be objects (chest, coin-jar, rifle, etc.).
However, it is also an effective noted that in and near the conductive zone, a way to locate pipes, Summary of the content on the page No. 9 TRACING SEARCHING Tuning Tuning 1. Set the transmitter: 1. Set the transmitter: Power: ON Power: ON 2.
Set the Receiver: 2. Set the receiver: Power: ON Power: ON Sensitivity: 7 Sensitivity: ZERO You should get a strong audio tone and meter 3. Slowly increase the SENSITIVITY control until the indication at this point.
Audio signal is heard, then reduce SENSITIVITY until CAUTION: Never attempt to tune the GEMINI-3 in the the audio just disappears. This is the point Summary of the content on the page No. 10 SEARCHING TRACING 7. You are ready to search when the BALANCE knob Operating is adjusted within the 1/8- to 1/4-turn silence (null) 1. Once the two starting points have been established and space. This is extremely important! If this procedure the receiver tuned, walk away from the transmitter in is not followed correctly, the GEMINI-3 will either the assumed direction of the buried conductor.
Constantly give false audio and meter readings 2. Hold the receiver vertically to maintain a Summary of the content on the page No. 11 TRACING SEARCHING 5.
For even more accurate pinpointing of short objects, Inductive Trace (i.e., a pipe, cable, etc.) approach the test object The Inductive Trace mode is usually used to trace at right angles from your previous direction. Mark the a long object (pipe, ore vein, etc.) that shows no ground as you did before. Your test object should be exposed portions, but two starting points are known. About centered between four marks. To establish the path of a pipe, cable, Summary of the content on the page No. 12 SEARCHING SEARCHING Wide Scan Inductive Search 3. Slowly increase the SENSITIVITY control until the audio This mode of operation is the preferred method for signal is heard, then reduce SENSITIVITY until the audio searching a large area quickly.
Two operators are just disappears. This is the point at which “air coupling” required and the handle assembly is not used. Has been eliminated. The Wide Scan Inductive Search mode is practical Operating only when searching for ore veins, pipe.
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