Fisher CZ-7a PRO Quicksilver Bedienungsanleitung

CZ-7a PRO Quicksilver

Operating Manual

Deep Search, Body Mount, Target I.D. Metal Detector

FISHER RESEARCH LABORATORY

CONTENTS

About Your Detector .............................................................pg. 1

Setting Up................................................................................pg. 5

Body Mounting ...................................................................... pg. 8

Turn-On-And-Go “Preset” Operation.................................. pg. 9

Control Panel .........................................................................pg. 11

Turn-On Procedure................................................................ pg. 16

Ground Balancing.................................................................pg. 17

Pushbutton ..............................................................................pg. 18

Bobbing .................................................................................. pg. 19

Search Modes........................................................................pg. 22

Autotune .................................................................................pg. 22

Target-I.D. ...............................................................................pg. 23

Audio Response Chart .......................................................... pg. 25

Searching ...............................................................................pg. 28

Pinpointing/Depth Reading .................................................pg. 31

Target Identification ..............................................................pg. 32

Target Recovery ....................................................................pg. 34

Recovery Tools ...................................................................... pg. 34

False Signals ........................................................................... pg. 35

Operating Tips........................................................................pg. 39

Battery Replacement............................................................pg. 42

Maintenance .........................................................................pg. 43

Specifications ........................................................................pg. 44

ABOUT YOUR DETECTOR

Your CZ-7a Pro is an extremely advanced and sophisticated

instrument. It combines deep seeking, microprocessor, target-

I.D. technology with user friendly controls and a very rugged

and unique body-mount control housing.

1. Easy to Use: Just set the ground-balance knob

on the red 5, push the "PRESET' touch pad and

you're ready to start searching in a "coins only"

mode. For maximum performance, you can easily

adjust the CZ-7a Pro for your own specific

situation. Ground balancing and fine tuning with

the touch pads is quick and simple.

2. Tactile Feedback Touch-Pad Controls: Raised

touch pads give a positive click when pressed.

Unlike many touch pads, you know when you're

touching them-without looking; and you know

when you've entered a command.

3. Liquid Crystal Display with Back-Light: A large

liquid-crystal display gives you quick and

accurate information about the target, operating

mode and battery condition. Use this function

sparingly as it will significantly reduce battery life.

4. Notch Discrimination: You can selectively

ignore or accept any combination of seven

small-target classifications: iron, round pull tabs,

rectangular pull tabs, foil, zinc pennies, nickels

and a category including copper pennies and

other U.S. clad and silver coins.

5. Visual Target ID.: A microprocessor-controlled

display registers one of seven small-target

categories. When the powerful, dual-frequency

CZ-7a Pro classification system makes an

identification, a marker appears on the LCD

under the appropriate target-category icon. If

identification is difficult due to irregular size,

conductivity or depth, the CZ-7a Pro will alert you

by jumping back and forth between the two

most likely categories.

6. 3-Tone Target l.D.: A low tone for iron; a mid-

tone for pull tabs, foil and most gold rings; and a

high tone for U.S. coins, silver rings and some gold

rings.

7. Target Separation: It's a sad-but-true fact that

most gold rings, pull tabs, foil and nickels fall into

the same conductivity range, meaning that a

detector user has to dig a lot of trash to find rings

and nickels. But the CZ-7a Pro separates the

nickels from the trash and even separates the

tabs from the foil so the ring hunter can

determine just how much trash he's willing to put

up with. For example, in an area heavily infested

with nails and foil, you can set the CZ-7a Pro to

ignore iron and foil and still dig nickels, other

coins and all gold rings falling into the nickel and

pull-tab categories.

8. Silent-Search, Slow-Motion Target LD. Mode:

No threshold tone; no chatter. The audio and

visual target ID. circuits ignore everything you've

"notched" out. For example, if you've notched

out iron targets, you'll never hear the low "iron"

tone, and you'll never see a marker under the

iron icon.

9. All-Metal Autotune Mode: Hot, smooth

running, wide-scan search mode for all-metal

treasure hunting and prospecting.

10. Pushbutton VCO Pinpointing and Depth

Reading: Push the PINPOINT touch pad and the

CZ-7a Pro operating mode changes to no motion.

The search coil doesn't have to be moving to

locate a target. The signal tone increases in pitch

and volume as the center of the coil approaches

the target. Target depth is displayed in inches.

11. Touch-Pad Ground Balancing: Just press the

pinpoint touch pad 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.

ABOUT YOUR DETECTOR

12. Depth: Patented Fourier Domain Signal

Analysis. Two deep-seeking, ground -

compensating VLF signals (one at 5 kHz and one

at 15 kHz) provide twice as much target

information for accurate analysis and

identification.

13. Faint-Target Audio Boost: The lower range of

the volume control of the CZ-7a Pro is like any

other that you've used. But as you increase the

volume above mid range, strong target sounds

remain at a fixed volume while faint, deep-target

sounds continue to get louder.

14. Big-Target Alert: Ordinary detector circuits

overload on large, shallow targets, identifying

them as good targets. But not the CZ-7a Pro. A

distinctive belt tone immediately warns you that

the target signal is too strong to identify.

15. Wet Sand Operation: Just press the NORM/

SALT touch pad, reset the ground control and you

can search wet salt-sand like nobody's business.

In fact, you can submerge the coil for shallow

saltwater beachcombing.

16. Splashproof, Rainproof, Dustproof: The control

housing is sealed and the battery compartments

have their own gaskets. The search coil is

submersible. The cable connector and

headphone jack (when the phone plug is

inserted) are splashproof. The CZ-7a Pro is not

submersible, but rain and dust are no problem,

and the speaker is splashproof.

17. Drop-In Batteries: No wires, no clip, no hassle.

Just drop in two 9volt transistor batteries.

18. Constant Battery Monitor: You always know

the condition of your CZ-7a Pro batteries. Three

bars on the Liquid Crystal Display indicate fully

charged batteries. Two bars means they're about

half gone, and one bar means it's time to replace

them.

ABOUT YOUR DETECTOR

19. Adjustable, Double-Locking Lower Stem:

Fiber glass reinforced nylon stem with a steel

spring clip to keep it in perfect alignment and a

positive grip injection-molded ABS lock nut.

20. Balanced and Comfortable: The universal

arm rest detector stand along with Fisher's "S"

handle design and pistol-grip mounted control

housing give the CZ 7a Pro superior balance and

maximum comfort.

21. Spider Coils: Your choice of an all-purpose, 8-

inch Spider coil or a deep-seeking 10 1/2-inch

Spider coil. They're light, tough and have open

centers for accurate pinpointing. The hot, little 5-

inch coil is great for extremely trashy areas, tight

spots or highly mineralized ground.

22. Three-Piece Breakdown: The CZ-7a Pro

breaks down to fit into an optional carrying case

not much bigger than a briefcase and small

enough for most airline carry-on luggage.

23. Last-Setting Turn-On Memory: When you turn

your CZ-7a Pro on, it automatically sets the

Sensitivity, Volume, Notch and Mode exactly as

they were when you turned it off (even if the

batteries have been removed!). Note that no

battery drain is required to retain your last settings

in memory.

24. Body Mount or Handle Mount: Just slide the

control housing off the handle grip, snap on the

belt loop and put it on your belt. What's left is so

light it will feel like part of your arm.

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

ABOUT YOUR DETECTOR

SETTING UP

Your Fisher CZ-7a Pro QuickSilver is built to last for years.

However, it's a sophisticated electronic instrument containing

state-of-the-art components. Handle it carefully, care for it

regularly, and it will give you years of dependable service. The

CZ-7a Pro requires little assembly.

1. Unpack your CZ-7a Pro carefully and save the

carton: it may come in handy if you ever have to

return the instrument for service.

2. Slip the lower stem into the upper stem.

3. Adjust the stem length and coil angle so that

the search coil rests flat on the ground about 6 to

12 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, the grip held loosely (see drawing on

next page). The stem length is adjusted by

loosening the lower lock nut and allowing the

8-inch Spider

search coil

Liquid

crystal

display

Lower

lock nut

Center

stem section

Adjustable,

fiberglass

filled, nylon

lower stem

Upper

lock nut

coil cable

Control

housing

Touch pads

Padded

Armrest

Foam

hand grip

Nylon wing nut

(with

replaceable

Duro-Neoprene

bushings)

Upper stem

spring clip to snap into one of the holes in the

center stem. The coil angle is adjusted by

loosening the nylon wing nut on top of the

search coil.

NOTE: Remember, the longer the shaft, the more you'll have

to bend your elbow to keep the coil off the ground and the

sooner your arm will get tired. The CZ-7a Pro is balanced for

comfortable searching in a tight semicircle around the front

of the operator.

4. With the stem length properly adjusted, wrap

the search coil cable snugly around the lower

stem and the center section. Leave just enough

slack near the coil to allow it to be tilted

completely backward and forward.

NOTE: A loose cable near the search coil may cause false

signals, but don't wrap it so tightly that it pulls against the

housing or the coil.

SETTING UP

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 "search" position by leaning slightly and

raising the coil about 2 inches off the ground. This should

put the coil about 12 to 18 inches in front of your lead foot.

5. Reconnect the coil cable to the control

housing. Be careful not to cross thread it and

make sure it's snug, but hand tighten only.

6. With the shaft length and coil angle properly

adjusted, you should be able to move into your

search position by leaning forward very slightly

and raising angle so the coil rests flat on the

ground about 6 to 12 inches in front of your arm.

7. (when using optional headphones)

Plug the headphones into the HEADPHONES jack

on the control panel.

SETTING UP

BODY MOUNTING

1. Disconnect the cable from the control housing

and unwind all but the last 12 inches or so from

the stem. Secure the lower end of the cable with

a Velcro strap at least 12 inches up from the coil.

2. Remove the control housing from the pistol

grip by holding the grip with one hand and sliding

the housing toward you wilth the other hand.

3. Attach the belt loop to the control housing by

slipping it over the brass posts on the bottom of

the control housing and pulling it toward the

control panel to lock it in place.

4. Reconnect the cable to the control housing.

5. The control housing can then be mounted on

your belt or on the optional Fisher Chest Harness,

which is especially useful for shallow water

hunting.

It is especially important that the cable connector be

installed tightly to prevent false signals during body-mount

use. Tight, but never tightened with anything but your hands.

For belt mounting, left handers should wear the housing on their right hip and

right handers should wear it on their left hip.

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