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ImpulseOperating ManualPulse Induction Metal DetectorFISHER RESEARCH LABORATORY

8FOR HIPMOUNTINGFor almost effortless treasure hunting, the control housing iseasily removed from the handle and attached to a belt clip.“Hipmounting”

9CONTROL PANEL1. TUNER/BATT TEST CONTROL: Tunes the detectorto its maximum sensitivity by adjusting the “thresholdlevel” to a faint tone. Also, when t

10TUNINGTuning your IMPULSE is a simple but necessary step beforebeginning your search. If you’re hunting underwater, thefollowing steps should be per

113. Walk slowly and sweep the search coil in a tightsemicircle, keeping the coil parallel and as close tothe ground as practical.4. The IMPULSE has t

12UNDERWATERThe IMPULSE is waterproof to 250 feet, and it operates the sameunderwater as on land. However, some differences in searchtechnique should

13PINPOINTINGPinpointing your target with the IMPULSE is relatively simple,but it will take some practice.1. Make sure your IMPULSE is in tune. (See p

14front to back, to find the spot where the bar graphpeaks and the signal tone is loudest and highest.Because the scan area of pulse-induction metalde

15TARGET RECOVERYOnce you’ve identified and pinpointed a target, yourobjective is to recover it quickly and neatly, leaving virtually notrace of your

16OPERATING TIPS1. Keep the search coil cable wound snugly aroundthe stem when diving around coral or jagged rocksto keep it from snagging.2. Divers s

17BATTERIESEight AA batteries located in the rear section of the controlhousing power the IMPULSE. The batteries are sealed off fromthe electronics so

CONTENTSAbout Your Impulse...pg. 1Condensed Operating Instructions ...

184. Reconnect the battery lead.5. Insert the battery pack into the Control Housingwith the lead connector on top. Fold the leadsacross the top of the

192. Connect the cigarette lighter recharger batterylead to the battery pack.3. Plug the recharger into the cigarette lightersocket, and the batteries

20MAINTENANCEYour IMPULSE doesn’t require a lot of care. It’s built with highquality materials, and it’s waterproof to a depth of 250 feet. Butthere a

LETS PRESERVE OUR TREASURED SPORT!Laws governing the use of metal detectors are becomingmore and more common. In many countries, the use of metaldetec

22National Forest and Federal Lands—Metal detecting isallowed only by special permit acquired from the federalgovernment. Each area has a district off

23SPECIFICATIONS 1Length 2... Extended ...50" Collapsed ...

NOTES1. Subject to modification without notice.2. Approximate.3. VCO: Voltage Controlled Oscillator. Volume and frequency increaseas target is approac

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EXPORT DEPARTMENTP.O. Box 1896New Haven, CT 06508 USATel 203.288.1638 Fax 203.287.8099email: [email protected] RESEARCH LABORATORY200 West Wil

ABOUT YOUR DETECTORFisher Research Laboratory has been producing rugged, highquality, high performance metal detectors since 1931, longer thanany othe

ABOUT YOUR DETECTOR2Here are some important features built into your IMPULSE:1. LCD: A liquid crystal display gives a visualindication of signal stren

3ABOUT YOUR DETECTORYour IMPULSE is fairly simple to operate; however, its no-motiondesign makes it operate differently from more-common, VLF,inductio

4Your Fisher IMPULSE requires very little assembly. Unpack itcarefully and save the carton, which may come in handy forfuture storage or shipment.1. R

5stem, push in the spring lock, pull out the lower stemand let the spring lock snap into another hole.3. If you will be using the IMPULSE on the handl

6SETTING UPFOR LAND OR SHALLOW WATERPut the headphones around your neck to keep them out of theway while making the following adjustments:1. Adjust th

7FOR DIVINGUnlike induction-balance metal detectors, the IMPULSE ignoresthe disruptive influences of salt water and black sand. Thiscapability, along