CZ-5 QuickSilver
Deep Search, Target I.D. Metal Detector with dual Fourier Domain Signal Analysis
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
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..............................................................About Your Detector |
pg. 1 |
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Condensed Operating Instructions ...................................... |
pg. 4 |
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Factory Preset “Turn-On-And-Go” Marks ........................ |
pg. 4 |
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Setting Up................................................................................. |
pg. 5 |
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Hipmounting ............................................................................ |
pg. 7 |
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Control Panel .......................................................................... |
pg. 7 |
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Turn-On Procedure ................................................................. |
pg. 9 |
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Ground Balancing.................................................................. |
pg. 9 |
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Pushbutton Method ............................................................. |
pg. 10 |
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“Bobbing” The Search Coil Method ................................ |
pg. 11 |
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Search Modes......................................................................... |
pg. 12 |
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Auto Tune ............................................................................. |
pg. 12 |
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Target ID ............................................................................... |
pg. 13 |
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Searching ................................................................................ |
pg. 17 |
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Pinpointing............................................................................... |
pg. 20 |
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Pushbutton Pinpoint Mode ..................................................... |
pg. 20 |
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Target ID and Autotune Modes ............................................. |
pg. 21 |
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Target Identification ............................................................... |
pg. 21 |
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Depth Reading........................................................................ |
pg. 24 |
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Target Recovery ..................................................................... |
pg. 25 |
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Recovery Tools ....................................................................... |
pg. 26 |
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False Signals ............................................................................ |
pg. 26 |
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Battery Replacement ............................................................. |
pg. 31 |
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Maintenance .......................................................................... |
pg. 32 |
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Treasure Hunters’ Code Of Ethics.......................................... |
pg. 33 |
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Where To Use Your Metal Detector In The U.S..................... |
pg. 34 |
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Specifications ......................................................................... |
pg. 35 |
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ABOUT YOUR DETECTOR
Your CZ-5 QuickSilver is an extremely advanced and sophisticated instrument. Here are some important built-in features:
1.VISUAL TARGET IDENTIFICATION. An easy-to-read meter displays seven, small-target categories. Silver and gold bands across the top indicate the most likely categories for small gold and silver targets. When the dual frequency CZ-5 classification circuitry makes identification, the needle locks over the center of the appropriate category. If ID is difficult due to irregular size, conductivity or depth, the CZ-5 will alert you by jumping back and forth between the most likely categories. What it will never do is lock-on between categories or gives you a series of numbers to interpret. No programming, no razzle-dazzle, no nonsense.
2.AUDIO TARGET IDENTIFICATION. A low tone means a ferrous or iron target: a medium tone indicates a pull-tab or foil, and a high tone means you’ve probably found a coin. The tone ID always agrees with the meter ID. If the audio response tone is low, the meter will always read “iron” and if the tone is high, the meter will always read in one of the coin categories.
3.PUSHBUTTON DEPTH READING, VCO PINPOINTING. Just push a button and the volume, pitch and meter needle will rise as you approach your target and then peak right over it. The meter gives you a depth reading in inches for coin-sized objects.
4.WET SAND OPERATION. Salt water is no problem for the CZ- 5. Just flip a switch, reset your ground control and search. The CZ-5 compensates for salt and sand simultaneously.
5.TARGET SEPARATION. It’s a sad but true fact that most gold rings, pull tabs, foil and nickels fall into the same conductivity range. In the past a detector user had to dig a lot of trash to find any rings or nickels, but not any more. The CZ-5 not only separates the nickels from the trash, but the tabs from the tabs. It has a separate ID and discrimination categories for round pull tabs, rectangular pull tabs, foil and nickels. Rather than a complicated “notch” system, the individual categories are sequentially arranged to insure maximum good target recovery. In a moderately trashy area for example, you can set the CZ-5 to reject iron and round pull tabs and still dig nickels and other coins and all gold rings falling into the nickel, foil and rectangular tab and nickel categories.
1 |
ABOUT YOUR DETECTOR
6.BIG TARGET ALERT. Large shallow items, like a jar lid or a beer can, overload metal detector circuits making accurate target ID or trash rejection impossible, but not with the CZ-5. Whenever it passes over a large shallow target, a distictive bell-tone immediately warns you that the target is too large to identify.
7.DEPTH. Target identification in air is easly for just about any ID metal detector. But the CZ-5 does it in the ground and does it deeper. Thanks to the patented Fourier Domain Signal Analysis System, the CZ-5 can identify deeper targets in mineralized soil. Two VLF ground compensation signals are transmitted (one at 5KHz, one at 15 KHz), giving the circuitry two ground compensated target response signals to analyze, compare and identify.
8.SILENT SEARCH, SLOW MOTION DISCRIMINATION. No threshold, no clicking, no popping, no static. Once you set the CZ-5 discrimination control to one of its six factory calibrated, lock-on discrimination points, the audio and visual target identification circuits will completely ignore everything identified as belonging in a category below that discrimination point. For example, a setting of “4” tunes out iron, pull tabs and foil. As long as you’re at this discrimination point you’ll never hear the low “iron” tone or the medium tone of pulltabs and foil. And since the discrimination categories are exactly the same as the meter categories, the meter will never ID iron, pull tabs or foil as long as you remain at “4”. Any false signal you do hear or see will be in the “coins” category only because the CZ-5 couldn’t positively identify the target as iron, foil or a pull-tab.
9.AUDIO BOOST VOLUME CONTROL. The lower range of this volume control is like any other you’ve ever used. As you increase it above mid-range, loud, shallow target responses remain at a fixed volume while faint, deep target sounds continue to get louder.
10.PUSHBUTTON MANUAL GROUND ADJUST. It’s no secret that a metal detector will perform its very best when manually tuned for actual on-site ground conditions. The only problem is that manual adjustments have always been confusing, complicated and time consuming, but not with the CZ-5. Just push the PINPOINT button and lower the coil to the ground. Then set the GROUND control just below a threshold tone and you’re ready to search.
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ABOUT YOUR DETECTOR
11.EASY TO USE. Just pick it up, set the controls on the red marks and start searching in a “coins only” mode. It couldn’t be simpler. Or for a maximum performance you can easily adjust the controls to your own particular situation.
12.SPIDER COIL. The eight-inch, open-center, Spider coil makes pinpointing even easier. It’s lightweight, tough, Electro-Static Insulated (E.S.I. Shielded) and 100% waterproof.
13.TWO SEARCH MODES. The VLF, slow-motion discrimination mode is made for target identification and trash rejection. The super hot, wide-scan, autotune mode is ideal for deep search, all-metal treasure hunting and prospecting.
14.DROP-IN BATTERIES. No wires, no clips, no battery packs. Just drop in two 9V transistor batteries.
15.COMPACT. The CZ-5 breaks down and fits into an optional carrying case small enough to carry on most airlines.
16.HIP MOUNTABLE. Just slide the control housing off the shaft and onto your belt. What’s left is so light it will feel like a part of your arm.
17.DOUBLE LOCKING NON-METALIC LOWER POLE. No shake no wobbles. No “lock-ring” to lose and no metal parts near the search coil.
18.LIGHTWEIGHT, BALANCED AND COMFORTABLE. Only three and 1/2 pounds light with a cushioned arm rest, foam grip, “S” handle and built-in detector stand.
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 Laboratory
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CONDENSED OPERATING INSTRUCTIONS
FACTORY PRE-SET “TURN-ON-AND-GO” MARKS
Your CZ-5 QuickSilver is fairly simple to operate, especially when compared to other target ID machines. Even so, we strongly recommend that you read this entire manual. You’ll be able to tune your CZ-5 to your specific needs and conditions. If you have a good understanding of how to do it and why, you’ll find more.
If you can’t wait any longer, and you’re an experienced detector user, here’s some quick instructions to get you going:
1. Set all the controls to the red “Turn-On-And-Go” marks:
GROUND |
= 5 |
DISC |
= 4 |
SENSITIVITY = 2 |
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MODE |
= NORMAL |
VOLUME |
= 5 |
This puts you in a “coins-only” mode and you’re ready to start searching. Keep in mind that the GROUND setting of 5 is probably not the optimum setting for the ground you’re searching and that’s why the sensitivity level is set low—to reduce false signals caused by ground mineralization.
2.If you’re using headphones, adjust the volume controls for a comfortable volume when the coil is passed over a large shallow object.
3.Walk slowly, overlap your sweeps and keep the search coil moving. Remember you are in a “motion” search mode and the coil must be moving at least slightly to detect a target.
4.When you get a good, repeatable signal, pinpoint the target by placing the coil on the ground away from the target, pushing and holding the pinpoint button and then bringing the coil back over the target.
5.Once you’ve pinpointed the target, note the approximate depth reading on the meter, then identify it by releasing the pinpoint button and moving the coil side to side in short strokes over the target. The meter needle will lock onto the appropriate target classification.
6.Good Hunting.
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SETTING UP
Drop-in battery compartments |
Adjustable |
8-inch Spider |
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and cable connector at rear |
non-metallic |
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search coil |
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of housing(not shown) |
lower stem |
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Removable control housing (belt loop on underside of housing)
Foam hand grip
Padded arm rest
Built-in detector stand
Center section
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Nylon wing nut |
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(replacable |
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Upper |
Lower |
Duro-Neoprene |
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bushings, not |
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lock nut |
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lock nut |
shown) |
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Seven foot |
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search coil |
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cable |
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Upper stem
Figure 1. Fisher M-Scope
CZ-5 Quicksilver
The CZ-5 comes to you just about ready to use. The only adjustment required is the angle of the stem. You may also wish to adjust the width of the armrest. Take a look at the diagram above and familiarize yourself with the parts of the CZ-5 before proceeding.
1.Unpack your new CZ-5 carefully. Save the carton and inserts for future storage or shipment.
2.Take a look inside the locknut on the upper stem. Note the yellow locking pad on the left hand side and loosen the lock nut by rotating it fully counterclockwise.
3.Slip the lower stem into the upper stem. Make sure the flat side of the stem is aligned with the locking pad inside the locknut.
4.Adjust the stem length (using the locknut) and the coil angle (using the nylon wing nut) so the search coil rests flat on the ground about 6 inches in front of, and slightly to the right of your right foot, (to the left of your left foot for left handers). Your arm should be straight and relaxed, with the grip held loosely.
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SETTING UP
REMEMBER: THE LONGER THE SHAFT, THE MORE YOU WILL HAVE TO BEND YOUR ELBOW AND THE SOONER YOUR ARM WILL GET TIRED. THE CZ-5 IS BALANCED FOR COMFORTABLE SEARCHING IN A TIGHT SEMICIRCLE AROUND THE FRONT OF THE OPERATOR.
5.With the stem length properly adjusted, wrap the loop cable tightly around the upper stem and secure it with the two Velcro straps. Connect the cable connector to the control housing.
CAUTION: MAKE SURE THAT THE CABLE IS NOT PULLED TIGHT AT THE CONTROL HOUSING AND THAT YOU HAVE ENOUGH SLACK AT THE SEARCH COIL TO ADJUST IT TO ANY ANGLE.
6.With the shaft length and coil angle properly adjusted, you should be able to move into your “search” position (as shown in illustration below) by leaning forward very slightly and raising your arm (still straight) until the search coil is about 2 inches above the ground and 12 inches in front of your foot. The search coil should be parallel to the ground and may have to be slightly readjusted at this point.
7.If the armrest is too wide or narrow, you may bend it slightly inward or outward to meet your exact requirements.
Figure 2. Search Position.
Adjust the stem length and coil angle so the coil rests flat on the ground about 6 to 12 inches in front of your foot. Move into your “seach” position by leaning forward slightly and raising the coil about 2 inches off the ground.
This should put the search coil out about 12 to 18 inches in front of your foot.
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HIPMOUNTING
1.Disconnect the cable from the control housing and unwind all but the last twelve inches from the stem. Secure the lower end of the cable with a Velcro strap at least twelve inches up from the coil.
2.Slide the control housing off the handle by holding the handgrip with one hand and pulling the housing towards you with the other hand.
3.Reconnect the cable to the control housing. It is especially important that the cable connector be installed tightly to prevent false signals during hipmount use. Tight, but never tightened with anything but your hands.
4.Put your belt through the slots on the underside of the housing.
5.Left handers should wear the housing on their right hip and right handers on their left hip.
NOTE: If you’re working in shallow water you may want to hang the control housing around your neck or chestmount with Fisher’s Chest Harness. Just make sure you put it in a heavy plastic bag sealed tightly around the cable. Remember, the only thing waterproof about the CZ-5 is the search coil.
CONTROL PANEL
1.GROUND: Used to electronically cancel the effects of ground mineralization. Proper use of this control will minimize false ground signals and insure that the CZ-5 is operating at its maximum potential in just about any ground condition including wet ocean sand.
2.DISC: In the 0 through 6 position the CZ-5 is in the target ID mode, which is a silent, no-threshold, motiondiscrimination mode of operation with the ability to identify and then ignore (“reject”) or accept many kinds of small metal targets. In the AUTOTUNE position, the CZ-5 is in an all-metal mode. In this mode, the CZ- 5 has a wider and deeper search pattern, however, it lacks the ability to discriminate or identify and therefore reject targets.
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CONTROL PANEL
3.PINPOINT/DEPTH READING: A three purpose, spring loaded push-button. When pushed and held, the CZ-5 goes into a no-motion, all-metal mode for precise pinpointing and approximate depth reading of coinsized targets. This button is also used in conjunction with the GROUND control during the ground balancing procedure.
4.SENSITIVITY/BATT TEST: In the extreme counter-clockwise position, the battery condition is checked as indicated by a strong or weak tone and a meter reading. When rotated clockwise, sensitivity to targets (as well as ground mineralization and electrical interference) is increased. When in the AUTOTUNE mode, this control also acts as a “threshold tone” control.
5.HEADPHONES: This connector accepts most stereo headphones.
6.MODE: NORMAL position for dry land or shallow fresh water hunting. SALT position for wet-sand ocean beaches or hunting in shallow surf.
7.VOLUME/OFF: Power on-off and volume control. Volume is gradually increased from 1 to 5 settings. From 5 to 10, loud target response is held constant while faint targets continue to get louder.
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Figure 3, Control Panel
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TURN ON PROCEDURE
1.Set your controls as follows: GROUND = 10
DISC = 0 for normal use in target ID mode. (Set DISC to “Auto tune” for deep search, all-metal Auto tune mode.
SENSITIVITY = 10
MODE = NORMAL (Unless you’re on a wet ocean beach, in which case set the MODE switch to SALT.)
VOLUME = OFF
2.Hold the search coil waist high, away from any nearby metal.
3.Turn the VOLUME control to 10. A brief bell tone is normal when you turn the VOLUME control on.
If you’re in the Auto tune Mode, you’ll hear an audio “threshold” hum. Lower the SENSITIVITY control until you can just barely hear it.
4.If you’re wearing headphones, reduce the headphone volume controls to a comfortable level when the search coil is passed over a large, shallow target.
GROUND BALANCING
When your CZ-5 QuickSilver is properly “ground balanced,” it will have only a minimum response to ground mineralization. Precise adjustment of the ground control is critical. The higher the degree of ground mineralization or sensitivity setting, the more critical it is. Once you adjust it in either the Autotune mode or Target ID mode, you can switch back and forth between the two modes without resetting it, unless you increase the sensitivity level or go from dry sand to wet sand or vice versa. You should also recheck your setting occasionally as you search since ground conditions often change rapidly.
If you have difficulty ground balancing, try reducing your sensitivity level or moving to another spot just in case you are over a buried piece of metal. In some areas of high ground mineralization you may not be able to use the “pushbutton” method.
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“PUSHBUTTON” GROUND BALANCE METHOD
This will probably be your method of choice in all but the most difficult of ground conditions. It’s fast, easy and accurate. You can use this method in either the Autotune or Target ID mode.
1.With your controls set as in the “Turn-On” procedure, (GROUND control at 10), hold the search coil parallel to and 6 to 12 inches off the ground. Press the PINPOINT button and hold it until you’ve completed step 2. Make sure you’re at least three feet away from any metal objects.
2.Still pressing the PINPOINT button, lower the coil to the ground. Starting at 10, rotate the GROUND control clockwise until you hear an audio tone. Then back it off to the exact point where the tone disappears. Release the PINPOINT button and you’re ready to search.
NOTES:
1.If you get an audio response as you first lower the coil with the GROUND control at 10, you’re probably over a piece of metal. Move and try again.
2.If you get a sudden belltone not proceeded by an increasing audio response as you lower the coil, you’re probably in some very highly mineralized soil or sand. In this case, it’s best to use the “Bobbing” method.
3.If you don’t get any audio response, or just a very faint one as you rotate the GROUND control from 10 all the way to 0, you’re probably in an area where there’s very little ground mineralization. Just leave the GROUND control at 10 and begin searching.
4.Recheck your ground balance occasionally and make sure you haven’t accidentally moved the MODE switch.
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