Related Manuals for Fisher Impulse
Summary of Contents for Fisher Impulse
- Page 1 Impulse Pulse Induction 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...
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Page 2: Table Of Contents
CONTENTS About Your Impulse ..............pg. 1 Condensed Operating Instructions ........pg. 3 Assembly ................. pg. 4 Setting Up................. pg. 6 For Land or Shallow Water ............ pg. 6 For Diving ................. pg. 7 For Hipmounting ..............pg. 8 Control Panel ................pg. 9 Tuning .................. -
Page 3: About Your Impulse
Your IMPULSE is a product of that proud heritage. Designed for deep-sea treasure hunting, the IMPULSE will also do the job in surf, on the beach, in fresh water or on land. Pulse induction (PI) metal detectors have been around for years. - Page 4 3. VCO Pinpointing: An audio signal tone increases in pitch and volume as the center of the search coil passes over the target. 4. Leak proof: The IMPULSE is leak proof to 250 feet. 5. Salt Water Operation: Salt water or wet sand is no problem for the IMPULSE.
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Page 5: Condensed Operating Instructions
TUNER control to the threshold level. You’re ready to hunt. CONDENSED OPERATING INSTRUCTIONS Your IMPULSE is fairly simple to operate; however, its no-motion design makes it operate differently from more-common, VLF, induction-balance metal detectors. Therefore, even if you are an experienced detector user, we strongly recommend that you read this entire manual before starting. -
Page 6: Assembly
Fiberglass upper stem Fisher M-Scope IMPULSE pulse induction metal detector. Your Fisher IMPULSE requires very little assembly. Unpack it carefully and save the carton, which may come in handy for future storage or shipment. 1. Remove the headphone, handle and search- coil assemblies from the carrying case. - Page 7 3. If you will be using the IMPULSE on the handle and not body mounted, wind the search coil cable around the handle assembly as shown in the illustration above.
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Page 8: Setting Up
Remember, as you increase the shaft length, you also increase the strain on your wrist and arm. The IMPULSE is balanced for comfortable searching in a tight semicircle around the front of the operator. -
Page 9: For Diving
This capability, along with its deep-seeking sensitivity to iron, makes it ideal for underwater treasure hunting and wreck diving. The IMPULSE is also waterproof to a depth of 250 feet. Remember, always practice safe diving methods. Caution: Hipmounting the IMPULSE control housing is not recommended for underwater use. -
Page 10: For Hipmounting
5. Slip the control housing onto your belt, left side for right- handers, right side for left-handers. NOTE: Because of the extreme sensitivity of the IMPULSE search coil, hipmounting the control housing may produce a false signal when the search coil reaches the end of its arc (on the side that the control box is attached to your belt). -
Page 11: Control Panel
5. STEM MOUNT: Bottom of control housing slides into mount on stem handle, providing easy detachment of the control housing for hip- mounting. The IMPULSE offers the user three different target signals: an audio target response, a large LCD bar graph and a bright, red LED. -
Page 12: Tuning
TUNING Tuning your IMPULSE is a simple but necessary step before beginning your search. If you’re hunting underwater, the following steps should be performed underwater. 1. Hold the coil up and away from any metal. 2. Set the tuner full counter clockwise, just before it clicks into the “BATT TEST”... - Page 13 4. The IMPULSE has three signals that alert you to a target: 1 ) an audible tone, 2) a meter that measures signal strength and 3) a flashing red light.
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Page 14: Underwater
UNDERWATER The IMPULSE is waterproof to 250 feet, and it operates the same underwater as on land. However, some differences in search technique should be noted. 1. Tune your IMPULSE underwater, on the bottom. -
Page 15: Pinpointing
Pinpointing your target with the IMPULSE is relatively simple, but it will take some practice. 1. Make sure your IMPULSE is in tune. (See p. 10, Tuning, if you need to tune your IMPULSE.) 2. Locate a target and pass the search coil over it. - Page 16 5. With your IMPULSE slightly detuned, sweep the search coil over the target again. You’ll notice that the target area has shrunk. 6. Continue to detune your IMPULSE until only a slight signal is heard when the coil is passed over the target.
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Page 17: Target Recovery
Generally speaking, beachcombers do little if any damage to the environment while recovering targets. However, if you plan to use your IMPULSE on lawns or in parks, your target recovery method can be very important. Two of the most successful methods are illustrated in a separate booklet enclosed with your IMPULSE. -
Page 18: Operating Tips
5. If you’re wading or hunting on land, hold your digging tool behind your back or above your waist. Your IMPULSE is sensitive enough to sound off each time the coil gets near it. 6. Don’t waste a lot of time digging holes for targets you can’t find. -
Page 19: Batteries
BATTERIES Eight AA batteries located in the rear section of the control housing power the IMPULSE. The batteries are sealed off from the electronics so that accidental water leakage into the battery compartment will not damage the circuitry. To replace the batteries, remove the battery access panel: 1. -
Page 20: Home Recharger
Recharging Nicad batteries with the optional 110-volt recharger is a simple procedure: 1. Remove and disconnect the Nicad battery pack from the IMPULSE Control Housing. 2. Connect the recharger battery lead to the battery pack. 3. Plug the recharger into a wall outlet, and the batteries will begin recharging immediately. -
Page 21: Auto Recharger
AUTO RECHARGER The complete IMPULSE recharge kit (optional) includes one battery pack, eight Nicad batteries, one 110-volt, 60-cycle home recharger and one 12- volt, negative-ground, auto cigarette lighter recharger. The 12-Volt Recharger offers a method to recharge your nicad batteries while on the road. -
Page 22: Maintenance
MAINTENANCE Your IMPULSE doesn’t require a lot of care. It’s built with high quality materials, and it’s waterproof to a depth of 250 feet. But there are a few things you should do to keep it in peak operating condition. -
Page 23: Treasure Hunter's Code Of Ethics
TREASURE HUNTER’S CODE OF ETHICS LETS PRESERVE OUR TREASURED SPORT! Laws governing the use of metal detectors are becoming more and more common. In many countries, the use of metal detectors is illegal or severely restricted. Don’t let this happen in your area. -
Page 24: Where To Use Your Metal Detector In The U.s
Where To Use Your Metal Detector In The U.S. National Forest and Federal Lands—Metal detecting is allowed only by special permit acquired from the federal government. Each area has a district office. Corps of Engineers, Lakes, Shorelines and Lands—Permission has been granted only on predisturbed sites, such as beaches and attached swimming areas. -
Page 25: Specifications
7. The length and terms of the warranty will vary outside the U.S. Check with your distributor for details. Fisher Research Laboratory does not warrant suitability to specific use. Fisher Research Laboratory shall in no event be liable for any direct, incidental, consequential or indirect damages. - Page 26 R E P U T A T I O N Fisher produced the first patented metal detector in 1931. For over 70 years, the Fisher logo has been a mark of excellence. L I F E T I M E W A R R A N T Y...