Fisher M-Scope Gold Bug 2 Manual de usuario

Gold Bug 2

Operating Manual

Prospector’s Metal Detector

FISHER RESEARCH LABORATORY

CONTENTS

About Your Gold Bug-2.......................................................... pg. 1

Setting Up................................................................................. pg. 4

Hipmounting ............................................................................ pg. 5

Control Panel .......................................................................... pg. 6

Mode and Mineralization Switches ..................................... pg. 8

Mode and Mineralization Switch Selection ....................... pg. 10

Turn On Procedure ................................................................. pg. 12

Ground Reject Procedure ..................................................... pg. 13

Searching ................................................................................ pg. 15

Pinpointing............................................................................... pg. 17

Target Recovery ..................................................................... pg. 18

False Signals ............................................................................ pg. 21

Operating Tips ......................................................................... pg. 23

Coin Shooting, Beach and Relic Hunting............................ pg. 24

Battery Replacement ............................................................. pg. 24

Maintenance .......................................................................... pg. 25

Treasure Hunters’ Code of Ethics .......................................... pg. 26

Where to Use Your Gold Bug-2 in the U.S. ........................... pg. 27

Specifications ......................................................................... pg. 28

ABOUT YOUR DETECTOR

The Fisher Gold Bug, the predecessor to the Gold Bug-2, was

designed and engineered by Fisher engineers from the ground

up for the sole purpose of finding gold nuggets small gold

nuggets, large gold nuggets, deep gold nuggets and gold

nuggets in highly mineralized soil. Almost overnight, the Gold Bug

became the standard against which all other gold-hunting

detectors were compared.

The next generation Gold Bug, the Gold Bug-2, is not meant to

be a replacement for the original Gold Bug. Your Gold Bug-2

offers many of the successful features of the Gold Bug as well as

some new features, making it a distinctly different detector, but

still designed for the sole purpose of finding gold nuggets.

The first and foremost of these new features is the operating

frequency of the Gold Bug-2 – 71 kHz. This ultra-high operating

frequency is extremely sensitive to small gold nuggets, and it also

offers a side benefit. Because the Gold Bug-2 operates at a

different frequency, it can be operated near an original Gold

Bug without interference.

Also, a new mineralization switch on the Gold Bug-2 can be

set for high, normal and low mineralization ground conditions.

When set for high mineralization, this new circuitry allows

prospectors to hunt in areas previously off-limits due to high

ground mineralization or numerous hot rocks. Although the

original Gold Bug is known for finding small nuggets in highly

mineralized soil, the Gold Bug-2 will set new standards for both

size and depth under many soil conditions.

Iron discrimination is another new feature. In the IRON DISC

mode, you can identify hot rocks and small trash items like iron

nails and other ferrous trash before digging them. Use this mode

in extremely trashy areas to check a target for its iron content.

An audio boost mode, another new feature of the Gold Bug-2,

makes it easier to find smaller nuggets at greater depths. Already

a successful and proven feature of the Fisher QuickSilver line of

land and underwater detectors, the audio boost mode

ABOUT YOUR DETECTOR

automatically increases the volume of any faint signal, such as a

small or deep gold nugget. It does this without increasing the

volume of larger, shallower targets.

Here are some other features of the Gold Bug-2:

• Dust and moisture resistant control box.

• Removable control housing that mounts on your

hip and reduces the weight on your arm.

• Drop-in battery compartments for easy battery

replacement.

• An elliptical, 10-inch, shielded search coil that’s

lighter, covers more ground and gets into tighter

places than a circular coil.

• Optional 6.5- and 14-inch elliptical search coils.

• Lightweight design, only 2.9 lbs. with cushioned arm

rest and foam-grip handle.

• Built-in detector stand.

• Dual-knob, coarse/fine, manual ground-adjust

control.

• Double-locking, fiberglass-reinforced, nylon lower

stem.

• Quartz-crystal locked electronics.

• Built-in Fisher quality backed by 70years of

engineering excellence.

The rest is up to you. You’ve got the right detector, but you’ll

have to decide where to search and then put in a lot of long,

hard hours searching. And, of course, you’re going to have to

learn your Gold Bug-2, read this instruction manual carefully and

practice often. Drop us a line if you have any questions,

comments or exciting gold nugget stories. In the meantime . . .

Happy Hunting!

Fisher Research Laboratory

Padded arm rest

Detector stand

Foam grip

Drop-in battery

compartments

Anodized aluminum

upper stem

Snap button

7-foot search

coil cable

Lock nut

Nylon wing nut

Waterproof, ESI-shielded,

elliptical search coil

Velcro®

straps

Adjustable, ABS,

fiberglass-reinforced,

nylon lower stem

Threshold

control

Cable

connector

ABOUT YOUR DETECTOR

Figure 1. Gold bug-2

SETTING UP

The Gold Bug-2 comes to you just about ready to use. There

are only three steps required: sliding the lower stem into the upper

stem, connecting the loop coil to the control housing and

adjusting the angle of the search coil. Take a look at page 3

and familiarize yourself with the parts of the Gold Bug-2 before

proceeding.

1. Unpack your new Gold Bug-2 carefully. Save the

carton and inserts – they may come in handy for

future storage or shipment.

2. Slip the lower stem into the upper stem (see

previous page for Gold Bug-2 diagram).

3. Adjust the stem length and coil

angle so that the search coil rests

flat on the ground about 6 inches

in front of, and slightly to the right

of, your right foot (for left handers,

to the left of your left foot). Your

arm should be straight and relaxed

with your grip held loosely.

REMEMBER: THE LONGER THE SHAFT, THE

MORE YOU WILL HAVE TO BEND YOUR

ELBOW AND THE SOONER YOUR ARM

WILL GET TIRED. THE GOLD BUG-2 IS

BALANCED FOR COMFORTABLE

SEARCHING IN A TIGHT SEMICIRCLE IN

FRONT OF THE OPERATOR.

4. Tighten the lock nut and the nylon

wing nut on the search coil.

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 THE CABLE IS NOT

PULLED TIGHT AT THE CONTROL HOUSING

AND THAT YOU HAVE ENOUGH SLACK AT

THE SEARCH COIL TO ADJUST IT AT ANY

ANGLE.

Figure 2.

Adjust the stem length and coil

angle resting the search coil flat

on the ground and about 6

inches in front of your right foot

(left foot for left-handers).

HIPMOUNTING

Your Gold Bug-2 is light and extremely well balanced; however,

if you’re going to be swinging it for more than a few hours, you

may want to “hipmount” it by removing the control box and

strapping it to your waist. Follow this procedure:

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.

CAUTION:

MAKE SURE THAT YOU HAVE ENOUGH

SLACK AT THE SEARCH COIL

2. Slide the control housing off the

handle by holding the hand grip

with one hand and pulling the

housing toward you with the other

hand.

3. Reconnect the cable to the control

housing.

NOTE: It is especially important

that the cable connector be installed

tightly to prevent false signals during

hipmount use. Never tightened with

anything but your hands.

With the shaft length and coil angle properly

adjusted, you should be able to move into your

“search” position (as shown on page 4) 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 arm rest is too wide or narrow, you may bend

it slightly inward or outward to meet your exact

requirements.

SETTING UP

The Gold Bug-2 control housing

can be hipmounted to reduce

weight on the stem and create

nearly effortless hunting. Belt

loops are provided on the

underside of the control housing.

Figure 3.

CONTROL PANEL

1. SENS: This knob adjusts the Gold Bug-2’s sensitivity

to targets, and it doubles as a battery tester. By

increasing the sensitivity, you can detect smaller and

deeper targets, however, you’ll also pick up more

false signals in mineralized soil or in areas of electrical

interference. The sensitivity control can also be

decreased to cut down on “ground chatter” and/

or electrical interference. Settings less than 5 should

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.

To remove the control housing

from the stem, grasp the top of

the control box firmly and pull it

directly toward the arm rest while

holding the Gold Bug-2 handle.

NOTE: if you’re working in shallow water, you

may want to strap the control housing on

your chest in a heavy plastic bag, and seal

it tightly around the cable.

HIPMOUNTING

Figure 4.

Figure 5.

not be used unless you have already tried switching

to a higher mineralization setting. In the extreme

counterclockwise position, the SENS control doubles

as a battery tester. A loud tone indicates good

batteries, and a faint tone tells you it’s time to

change the batteries.

2. MODE: This is a three-position toggle switch that can

be set to IRON DISC, NORMAL or AUDIO BOOST.

(See the next section, “Mode and Mineralization

Switches,” for details.)

3. MINERALIZATION: This three-position toggle switch

has settings for varying levels of ground

mineralization: HIGH, NORMAL and LOW. (See next

section, “Mode and Mineralization Switches,” for

details.)

4. HEADPHONES: This jack accepts most stereo and

mono headphones with 1/4-inch plugs. When using

headphones with a stereo/mono switch, put the

stereo/mono switch in the stereo position. Although

your Gold Bug-2 is equipped with a dust and

moisture resistant speaker, we recommend that you

always wear headphones while hunting to

maximize the number of targets you hear.

Furthermore, we recommend our Fisher Phones,

which enhance faint-target response by blocking

out unwanted external noises, such as wind and

vehicle sounds. To plug in your headphones, unplug

the detachable seal and plug in your headphone

jack. When not using headphones, be sure to keep

the seal plugged into the HEADPHONES jack to keep

dust and moisture out of the control housing.

5. VOLUME: This knob turns the power on and adjusts

the signal-response volume. If you’re wearing

headphones with independent volume controls,

set your Gold Bug-2 VOLUME control to 10 and

decrease the volume of your earphone controls

to a comfortable level. This will ensure the hottest-

possible signal from your Gold Bug-2.

CONTROL PANEL

MODE AND MINERALIZATION SWITCHES

The mode switch on your Gold

Bug-2 offers three different

operating modes: IRON DISC,

NORMAL and AUDIO BOOST.

Each mode offers its own

advantages and disadvan-

tages in any given situation. It’s

up to you to find the right setting

for each of the ground

conditions you encounter.

Regardless of the MODE or

MINERALIZATION settings, your

Gold Bug-2 always operates in

a motion mode, meaning the

search coil must be in motion

to detect a target.

The two toggle switches on your Gold Bug-2

enable you to search in just about any kind

of ground condition. The trick is learning

which combination of settings is right for each

ground condition.

6. GROUND REJECT: This dual-knob control is used to

electronically tune the search coil to prevailing

ground-mineralization conditions. The small knob on

top only makes one revolution and is used for

coarse adjustments. It has 25 fixed positions. The

large knob on the bottom is for fine-tune

adjustments and is capable of 16 turns and an

infinite number of positions.

7. THRESHOLD: This metal shaft is located on the rear

of the control housing. It’s purposely small and out

of the way to avoid accidental adjustment. The

threshold control adjusts the level of your threshold

tone, which is set to a continuous, faint tone.

Figure 6.

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