Fisher Research Labs CZ-21 QuickSilver Operating Manual Download

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CZ-21 QuickSilver

Operating Manual

Deep Search, Land and Underwater, Target I.D. Metal Detector

F I S H E R R E S E A R C H L A B S

MCZ21B 060110

ATTENTION:

Damage do to neglect or accidental damage is

not warrantable

IMPACT WARNING:

Impact to the front knobs, the front edge, or the

case will cause the front plate to fracture, resulting

in leakage.

Such damage is not warrantable.

CABLE STRESS:

If you hip-mount the CZ-21, leave slack in the cable

so as not to pull cable taunt at end of sweep.

Damage to coil cable at housing connection

is not

warrantable

if a result of repetitive, excessive stress.

by Fisher Research Labs, Inc.

or parts thereof, in any form.

Published by Fisher Research Labs, Inc.

Fisher® is a registered trademark of Fisher Research Labs, Inc.

www.fisherlab.com

1465-H Henry Brennan Dr., El Paso, TX 79936 • (915) 225-0333

Summary of Contents for CZ-21 QuickSilver

Page 1: ... damage is not warrantable CABLE STRESS If you hip mount the CZ 21 leave slack in the cable so as not to pull cable taunt at end of sweep Damage to coil cable at housing connection is not warrantable if a result of repetitive excessive stress Copyright 2010 by Fisher Research Labs Inc All rights reserved including the right to reproduce this book or parts thereof in any form Published by Fisher Re...

Page 2: ...his warranty Decisions regarding abuse or misuse of the detector are made solely at the discretion of the manufacturer Proof of purchase is required to make a claim under this warranty NOTE TO CUSTOMERS OUTSIDE THE U S A This warranty may vary in other countries check with your distributor for details Warranty does not cover shipping costs Liability under this Warranty is limited to replacing or r...

Page 3: ...target sounds remain at a fixed volume while faint deep target sounds continue to get louder 8 Quick Manual Ground Balance Tap the pinpoint button and lower the coil to the ground Then set the ground control just below the audio tone and you are precisely tuned for on site conditions 9 Separately Sealed Battery Compartment Protects the electronics from accidental flooding TREASURE HUNTERS CODE OF ...

Page 4: ... for maximum performance adjust the controls for your own specific situation Read this instruction manual thoroughly practice often and you re in for some exciting treasure hunting Drop us a line if you have any questions comments or good finds to tell us about In the meantime Happy Hunting Fisher Research Labs 39 Batteries Separately Sealed Compartment Yes Type 4 9V Alkaline Life Alkaline 35 55 h...

Page 5: ...lue on your CZ 21 control panel can get you up and running immediately 38 SPECIFICATIONS Length Extended 50 Collapsed 30 Weight Complete with headset 5 lb 11 oz 6 lb 1 oz 5 4 lb Handle and Search Coil 2 lb 6 9 oz 2 lb 12 9 oz 2 1 lb Control Housing 2 8 lbs Frequency 1 Dual VLF Search 5 KHz and 15 KHz 2 Audio Target Response Iron I D 200 Hz Low tone Foil and Tab I D 450 Hz Mid tone Coin I D 1 KHz H...

Page 6: ...ng to use your detector Bureau of Land Management BLM Lands Some areas are open for metal detecting and some are not Always check with the district office City or County Park Lands Most are open to metal detecting unless notice is given by a sign or city ordinance When in doubt always check with the city s Parks and Recreation Department Public School Grounds Most are open to metal detecting unles...

Page 7: ...tem and let the spring lock snap into another hole 3 Unwind just enough cable to attach the search coil to the lower stem 4 Remove the bolt and wing nut from the search coil Line up the hole in the lower stem between the two holes in the search coil ears Attach the coil to the stem with the bolt and wing nut and finger tighten 5 The arm rest may be repositioned for maximum comfort by removing the ...

Page 8: ... 1 If you re not going to be using it for awhile take the batteries out Acid damage caused by leaking batteries can be severe Damage from battery acid is not warrantable 2 Avoid extreme temperatures Don t leave it inside a closed car sitting in the sun or even worse in the trunk of a car Cleaning 1 Sand and dirt between the coil ears and lower stem will grind away the ears and stem 2 The headphone...

Page 9: ...n Too much loose cable near the search coil may generate false signals 4 Remove the tethered earphone plugs for rapid pressure equalization as you dive and return to the surface SETTING UP Figure 5 34 BATTERY REPLACEMENT VERY IMPORTANT Follow these instructions carefully to avoid getting water in the battery compartment 1 Tuck in the wires Do not pinch them in the seal when closing 2 The battery d...

Page 10: ...of the control housing 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 1 Remove the battery door by partially unscrewing the two knurled thumb screws The knurled knobs are captive screws and are not to be completely removed from the battery door 2 Remove the battery pack from the ...

Page 11: ...the search coil may actually detect the housing WARRANTY NOTICE Damage to coil cable at housing connection is not warrantable if damaged by excessive force If hipmounting please leave slack in the cable so as not to yank the cable from the housing at the end of your sweep SETTING UP 32 to your original direction you ll receive a single beep directly over the target a Shallow coins at or near the s...

Page 12: ...ter Sand Your CZ 21 should be able to handle most wet sand easily unless it s black See Black Sand above You should able to reduce the number of false signals caused by salt water by lowering your sensitivity and making sure you are ground balanced properly 7 Hot Rocks Some rocks by virtue of their high mineral content will be seen by metal detectors as a metal target In the Autotune mode the CZ 2...

Page 13: ...red The button requires a 2 second wait between presses GROUND BALANCING CONTROL PANEL 30 I D location your target is probably a piece of iron Reducing your sensitivity level taking shorter slower sweeps or increasing the discrimination level may reduce the number of false signals caused by trash 2 Deep Targets Deep targets just barely within the range of the CZ 21 may be misidentified For example...

Page 14: ...p coin especially in mineralized soil may read IRON The more sensitive the metal detector the harder it is not to have false signals Your CZ 21 is an extremely sensitive machine so you re bound to encounter them Here are some of the most frequent sources of false signals and what to do about them 1 Trash The most common source of false signals Large or irregular pieces of trash may give good consi...

Page 15: ...ered and raised b lt will get louder as you lower the coil and go silent as you raise it You have gone past the correct ground balance setting Increase the ground balance level rotating the control counterclockwise in small increments until there is little or no change in the threshold level c The hum will remain the same or if it changes slightly the change is the same whether you lower or raise ...

Page 16: ...r excavation There are almost as many ways to do this as there are treasure hunters Whatever works for you is good enough as long as you don t break any laws leave uncovered holes or damage the environment either on land or underwater Generally speaking divers and beachcombers do little if any damage to the environment while recovering small targets However if you plan to use your CZ 21 on lawns o...

Page 17: ...p several inches off the ground see the notes on p 14 Gold nuggets are generally found in highly mineralized soil so this will be the search mode of choice for prospectors 3 All Metals Searching Evidence recovery teams archeologists and professional underwater treasure hunters will often opt for the deep search all metals Autotune mode 26 a feel for which target classifications will be the most pr...

Page 18: ... into just about any category the smaller nuggets falling on the lower half of the scale So if you re not just looking for U S coins you should test some sample targets to determine what level of discrimination you want to work at and what targets you want to dig 10 Here s a quick and easy way to tell the difference between a small shallow piece of foil and a gold ring or other possibly good targe...

Page 19: ...ant to know what kind of coin it is advance the DISC control to 5 You know from the I D decal that if you lose the signal your target is probably a nickel or something conductive and very similar If you don t lose it go up to 6 If you lose it at 6 your target may well be a U S zinc penny If you still get a signal your target if it is indeed a coin will probably be a copper penny an older silver co...

Page 20: ...et I D mode 2 The center of the search coil must pass directly over the target It s always a good idea to walk slowly and overlap your sweeps But if you re searching a large expanse of new territory you may want to walk a little faster and not overlap your sweeps as much until you start making a few good finds Then slow down overlap your sweeps and cover every inch of ground In trashy areas to red...

Page 21: ...TER Figure 9 When the stem length is properlyadjusted theCZ 21isbalanced for sweeping a tight semicircle around the operator wide to the right for right handers wide to the left for left handers Be sure to overlap your sweeps 22 PINPOINTING Target location is quick and easy using the touch pad pinpoint mode The coil does not have to be moving to get a response in this mode 1 Whether in Autotune or...

Page 22: ...er than you would on land If you re wearing a hood you ll probably have to turn the volume control to maximum 2 Keep the search coil as far away from you and your dive gear as possible Sweep the search coil back and forth in a wide semicircle in front of you to cover the bottom in a methodical manner 3 Keep the coil parallel and as close to the bottom as possible Overlap your sweeps at least 50 pe...

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