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PRO-TECH

Comprehensive Operating Manual & Guide to Metal Detecting

Professional Metal Detector

For the Archaeologist

USER’S MANUAL

ACCESSORIES

Fisher

®

Padded Carry Bag

Rugged double-stitched construction.  Includes

handy exterior pocket for extra batteries or

small accessories. 

103693000C

Fisher

®

Camo Pouch

Camo pouch with two inside pockets, belt

included. – 

PCH-F

Stereo Headphones

Use with Fisher metal detectors.  Lightweight

and adjustable with true stereo sound, dual

adjustable volume, 1/4" jack with 1/8" adaptor,

4' cable. 

9720950000

Lesche Knife

Made from high quality heat-treated tempered

steel. The ultimate digging tool. Comes with a

durable sheath. 12" in length with a 7" serrated

blade. 

LESCHE KNIFE

Coil Covers 

Specially made to protect your coil from

abrasion and damage.

11” DD Ellipse, Accessory Coil Cover - 

COVER-11DD

10” DD Ellipse, Accessory Coil Cover - 

2023190000

5” DD Ellipse, Accessory Coil Cover - 

5COVER-BLK

Replacement/Accessory
Searchcoils

11” DD Ellipse, Open Coil - 

11COIL-GB

10” DD Ellipse, Closed Coil -

10COILDD-GB

5” DD Round, Closed Coil - 

5COIL-GBUG

Face Rain Cover

Specially made to protect your PRO-TECH

control box from weather and dirt - 

RAINCOV-GB

Fisher

®

T-Shirt

100% white cotton with Fisher

®

Logo.

Sizes -S, M, LG, XL & XXL

FTSHIRT 

(specify size)

Fisher

®

Baseball Cap

One size fits all. 

FCAP 

MPROTECH

Rev.5

012815

FOR COMPLETE DETAILS VISIT WWW.FISHERLAB.COM • 1-800-685-5050

ProTechMANUAL_MPROTECH  1/28/15  8:14 AM  Page 2

Summary of Contents for Pro-tech

Page 1: ...digging tool Comes with a durable sheath 12 in length with a 7 serrated blade LESCHE KNIFE Coil Covers Specially made to protect your coil from abrasion and damage 11 DD Ellipse Accessory Coil Cover C...

Page 2: ...h the detector 2 Do not use indoors This detector is for outdoor use only Many household appliances emit electromagnetic energy which can interfere with the detector If conducting an indoor demonstrat...

Page 3: ...Computerized Ground Balancing 16 Setting the Controls 16 Unwanted Noise 16 Sweeping the Searchcoil 16 Reading the Display 17 Target Scale 17 Operating in Discrimination Mode Ground Grab GG Computerize...

Page 4: ...chase to the original owner Damage due to neglect accidental damage or misuse of this product is not covered under this warranty Decisions regarding abuse or misuse of the detector are made solely at...

Page 5: ...strength increases V C O improves the user s ability to interpret a target s size and depth Very weak signals for small or very deeply buried objects have the faintest volume and the lowest pitch Larg...

Page 6: ...e the PINPOINT Mode for continuous searching realize that drift will occur over time causing the detector to gain or lose sensitivity Periodic retuning of the detector is required to minimize drift re...

Page 7: ...While circling the target continue sweeping the searchcoil across the target 3 Sweep once every 30 or 40 of the circle If the tone does not change and the Target ID value is consistent as you circle t...

Page 8: ...and then reconnecting it to ensure the connector is firmly installed If you use a searchcoil cover dirt or water can accumulate inside it and movement of those materials can cause false signals while...

Page 9: ...several different sources of electrical interference present simultaneously All metal detectors generate a certain amount of internal electronic noise The PRO TECH is specifically designed to enable...

Page 10: ...from returning a properly functioning detector for repair Symptoms of electrical interference Electrical interference can cause a metal detector to chatter spontaneously to lose sensitivity for no app...

Page 11: ...distance of the object in inches from the searchcoil The Depth scale is calibrated to coin sized objects For objects other than a coin the numeric value is a relative measure of the target s depth AUD...

Page 12: ...S OF METAL DETECTING continued 2 Trash Modern trash is prevalent everywhere and you may wish to learn the Target ID readings for common items such as pop tops and aluminum cans Modern trash is also us...

Page 13: ...iscrimination setting When searching in an All Metal Mode if ground balance is properly set to cancel the ground and you sweep over a positive hot rock the rock will give a zip sound similar to that o...

Page 14: ...Wet salt and alkali 5 25 Metallic iron Very few soils in this range You are probably over metal 26 39 Very few soils in this range occasionally some saltwater beaches 40 75 Red yellow and brown iron...

Page 15: ...sive Operating Manual Guide to Metal Detecting 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 hundr...

Page 16: ...before using your detector set it in All Metal Mode and perform the automatic ground balancing procedure Press and hold the GG button while pumping the searchcoil up and down over the ground Release...

Page 17: ...uried metal object See the section on Target Display for a more detailed explanation Iron is on the left Silver and copper metals are to the far right In an air test gold indicates right of center the...

Page 18: ...is strong This may be a large metal object Operating in Discrimination Mode continued on next page 18 PRO TECH Comprehensive Operating Manual Guide to Metal Detecting Operating in Discrimination Mode...

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