Fisher Research Labs Gold Bug-2 Manual de usuario

OPERATING MANUAL

PROSPECTOR’S METAL DETECTOR

Published by Fisher®Research Labs, Inc.

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

www.sherlab.com

1120 Alza Drive, El Paso, TX 79907 • (915) 225-0333

MADE IN U.S.A.

MGB2-2 Rev.1 071321

GOLD

BUG

TABLE OF CONTENTS

About Your GoldBug2 .................................................................... 3-5

Setting Up ...................................................................................... 6-7

Hip-Mounting .................................................................................... 8

Control Panel................................................................................ 9-10

Mode and Mineralization Controls ............................................. 11-12

Mode and Mineralization Selections .......................................... 13-14

Power-On Procedure....................................................................... 15

Ground Reject Procedure........................................................... 16-17

Searching ................................................................................... 18-20

Pinpointing ...................................................................................... 21

Target Recovery.......................................................................... 22-23

False Signals .............................................................................. 24-25

Operating Tips................................................................................. 26

Coin Shooting, Beach and Relic Hunting........................................ 26

Batteries ..................................................................................... 27-28

Maintenance.................................................................................... 28

Using Headphones.......................................................................... 29

Treasure Hunters’ Code of Ethics.................................................... 29

Where to Use Your GoldBug2 in the U.S. ....................................... 30

Specications............................................................................. 31-32

Warranty .......................................................................................... 35 35

5-Year Limited Warranty

The GoldBug2 metal detector is warranted against defects in materials and

workmanship under normal use for ve years from the date of purchase

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 the discretion of the manufacturer.

Proof of Purchase is required to make a claim under this warranty.

Liability under this Warranty is limited to replacing or repairing, at

our option, the metal detector returned, shipping cost prepaid to

Fisher® Labs. Shipping cost to Fisher® Labs is the responsibility of

the consumer.

To return your detector for service, please rst contact Fisher®Labs

for a Return Authorization (RA) Number. Reference the RA number

on your package and return the detector within 15 days of calling to:

Fisher®Research Labs, Inc.

1120 Alza Drive

El Paso, TX 79907

Phone: 915-225-0333 ext.118

Fax: 915-225-0336

Warranty coverage does not include the cost of transporting the

detector back to an owner who is located outside of the United

States of America.

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.

According to FCC part 15.21 Changes or Modications made to this device not

expressly approved by the party responsible for compliance could void the users

authority to operate this equipment.

This device complies with FCC Part 15 Subpart B Section 15.109 Class B.

Congratulations on your purchase of the Fisher GoldBug2, the standard

against which all other gold prospecting detectors are compared.

The GoldBug2 is specially designed for nding gold nuggets. The

GoldBug2’s high frequency, at 71 kHz, is extremely sensitive to small

gold nuggets.

The GoldBug2 can be used in high, normal or low mineralization soils.

When set for high mineralization, this new circuitry allows prospectors

to hunt in areas previously o-limits due to high ground mineralization or

the presence of numerous hot rocks. The GoldBug2 sets new standards

for size and depth at which nuggets can be unearthed in many soil

conditions.

To identify the most bothersome gold-eld objects, learn to use the

DISC mode. Identify hot rocks and trash metals, such as nails and other

ferrous objects.

Use the BOOST mode to nd smaller nuggets at greater depths. The

BOOST mode automatically increases the volume of any faint signal, such

as small or deep gold nuggets. It does this without increasing the volume

of larger, shallower targets

ABOUT YOUR GOLD BUG 2

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blank

Here are some other features of the GoldBug2:

• Dust and moisture resistant control box.

• Removable control housing for hip-mount and fatigue-free

prospecting.

• Elliptical searchcoils available in three sizes:

6.5, 10 and 14-inch.

• Lightweight design, only 2.9 lbs. with cushioned armrest and

foam-grip handle.

• Built-in detector stand.

• Intuitive manual ground mineralization adjustment with

digital read-out.

• Double-locking, berglass-reinforced, nylon lower stem.

• Quartz-crystal locked electronics.

• Built-in Fisher quality backed by 90 years of engineering

excellence.

Now that you have the right equipment, nd the most productive prospecting

location and study this manual to learn the skill and art of the rewarding

endeavor of gold prospecting.

Happy Hunting!

Fisher Research Laboratories

ABOUT YOUR GoldBug2 (continued)

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left intentionally

blank

Velcro cable attachment

7-foot searchcoil cable

Locking collar

Foam handgrip

Padded armrest

Detector stand

Aluminum

upper stem

Aluminum

middle stem

Fiberglass-reinforced

nylon lower stem

Removable

control housing

Velcro cable attachment

Knurled knob

Bolt

Waterproof,

electrostatic

shielded,

elliptical

searchcoil

Drop-in battery

compartments

Cable

connector

Locking collar

1/4” Headphone jack

Figure 1. GoldBug2

ABOUT YOUR GoldBug2 (continued)

Notes:

1. Approximate.

2. Voltage Controlled Oscillator. Volume and frequency increase as target

is approached.

3. The Gold Bug2 is a “motion” detector. The searchcoil must be moving

at least slightly to detect a target.

4. Electro-Static Insulated to eliminate certain types of false signals.

SPECIFICATIONS

Fisher® Research Laboratory does not warrant

suitability to specic use. Fisher® Research Laboratory

shall in no event be liable for any direct, incidental,

consequential or indirect damages.

Shielding ................100% ESI Coverage 4

Interchangeable...................................Yes

Waterproof...........................................Yes

Cable Length................................... 7 feet

Handle-Mount / Hip-Mount Convertible..........................................Yes

Built-in Armrest and Detector Stand ...............................................Yes

Batteries ............................Type.................................(2) 9V Transistor

Life-Carbon Zinc ................ 10-20 hours1

Life-Alkaline ........................ 25-35 hours1

NiCads .................................. 5-10 hours1

The GoldBug2 requires minimal assembly. To assemble the GoldBug2:

connect the upper, middle and lower stems, connect the searchcoil

connector to the back of the control housing and then adjust the angle

of the searchcoil. Take a look at page 5 and familiarize yourself with the

parts of the GoldBug2 before proceeding.

1. Unpack your new GoldBug2 carefully. Save the box and inserts

– they may come in handy for future storage or shipment.

2. Connect lower, middle and upper stems (see pg. 5 Figure 1).

3. Adjust the stem length and coil angle so that

the searchcoil rests at 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 a lose grip. (see Figure 2).

REMEMBER: THE LONGER THE SHAFT,

THE MORE YOU WILL HAVE TO BEND

YOUR ELBOW AND THE SOONER

YOUR ARM WILL GET TIRED. THE

GOLDBUG2IS BALANCED FOR

COMFORTABLE SEARCHING IN A

TIGHT SEMICIRCLE IN FRONT OF THE

OPERATOR.

Figure 2.

Adjust the stem

length and coil

angle resting the

searchcoil at on

the ground and

about 6 inches in

front of your right

foot (left foot for

left-handers).

SETTING UP

Length ................................Extended ............................................53”

Collapsed ............................................40”

Weight ...............................Complete..................................... 2.9 lbs.1

Control Housing .......................... 1.0 lbs.1

Handle and Coil.......................... 1.9 lbs. 1

Frequency...........................LF Search ................................. 71.01 kHz

Response .................................... (V.C.O.)2

Operating Modes................1. All Metal Auto-Tune (NORMAL) 3

2. All Metal Auto-Tune (BOOST)3

3. Iron Discrimination (DISC) 3

Mineralization Settings .......1. HIGH (attenuated, fast Auto-Tune)

2. NORMAL (fast Auto-Tune)

3. LOW (gain boosted, slow Auto-Tune)

Ground Adjustment ...........Manual, Digitally controlled high

resolution adjustment

Control Housing ................Dust, Moisture Resistant.....................Yes

Audio Output .....................Speaker ..................2” Moisture Resistant

Headphone Jack.......... 1/4” stereo/mono

Manual Threshold Tuning ....... Eective in All Metal, Auto-Tune mode

Searchcoil ..........................Type ..........................Elliptical, Co-Planar

Sizes available 10” or 6.5” standard,

14” accessory coil

SPECIFICATIONS

4. Tighten the locking collars to secure the stems; secure the

coil with the bolt and nut.

5. With the stem length properly adjusted, wrap the searchcoil

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 SEARCHCOIL TO ADJUST IT AT ANY ANGLE.

6. With the shaft length and coil angle properly adjusted, you

should be able to move into your “search” position (as shown

on page 6) by leaning forward very slightly and raising your

arm (still straight) until the searchcoil is just above the ground

and 12-inches in front of your foot. The searchcoil should be

parallel to the ground and may have to be slightly readjusted

at this point.

SETTING UP (continued)

National Forest and Federal Lands—Metal detecting is allowed only

by special permit acquired from the federal government. Each area

has a district oce.

Corps of Engineers, Lakes, Shorelines and Lands—Permission has

been granted only on pre-disturbed sites, such as beaches and

attached swimming areas. New Corps lakes and lands must be

okayed by the main oce of the Army Corps of Engineers. Each

area has a district oce.

State Parks and Lands—Some state parks are open to metal detecting,

but some are not. Always check with the park ranger before

attempting 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

oce.

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 unless

notice is given by a sign, city ordinance, law enforcement ocial,

or school employee. You should always check with the school

oce rst.

Privately Owned Lands (Private Property)—Permission is required

and it is always best to have the permission in writing.

Historically Marked Lands or Sites—Metal detecting is not allowed.

Do not even think about it.

Where To Use Your Metal Detector In the U.S.

NOTE: if you are 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.

To remove the control housing from the

stem, grasp the top of the control box rmly

and pull it directly toward the armrest while

holding the GoldBug2 handle.

Figure 4.

Your GoldBug2 is lightweight and well balanced; however, if you

are going to be swinging it for more than a few hours, you may want

to “hip-mount” 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

SEARCHCOIL

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 hip-mount use. Hand tighten only:

Never use tools to tighten the connector.

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.

The GoldBug2 control housing can be

hip-mounted to reduce weight on the stem

and create nearly effortless hunting. Belt

loops are provided on the underside of the

control housing.

Figure 3.

HIP-MOUNTING

LET’S PRESERVE OUR TREASURED SPORT!

Laws governing the use of metal detectors are becoming more and

more common. In many countries, the use of metal detectors is

illegal or severely restricted. Do not let this happen in your area.

• Always check Federal, State, County and local laws before

searching.

• Respect private property and do not enter private property

without the owner’s permission.

• Take care to rell all holes and leave no damage.

• Remove and dispose of any and all trash and litter found.

• Appreciate and protect our inheritance of natural resources,

wildlife and private property.

• Act as an ambassador for the hobby; use thoughtfulness,

consideration and courtesy at all times.

• Never destroy historical or archaeological treasures.

• All treasure hunters may be judged by the example you set; always

conduct yourself with courtesy and consideration of others.

Using headphones (not included) improves battery life, and allows

you to hear subtle changes in the sound more clearly, particularly

if searching in a noisy location. For safety reasons, do not use

headphones near trac or where other dangers are present. This

device is to be used with interconnecting cables/headphone cables

shorter than three meters.

USING HEADPHONES

TREASURE HUNTER’S CODE OF ETHICS

1. SENS: This knob adjusts the GoldBug2’s sensitivity to targets.

By increasing the sensitivity, you can detect smaller and

deeper targets; however, high sensitivity settings can result

in false signals in mineralized soil or in areas with electrical

interference. If experiencing “ground chatter” or false signals

from electrical interference, reduce the sensitivity. Do not

set the sensitivity to less than 5 unless you have already tried

switching to a higher mineralization setting.

2. GROUND REJECT: In NORMAL and BOOST modes, use this

control knob to adjust or “GROUND BALANCE” your detector

to the soil conditions in the area you are prospecting. As you

rotate the knob, the 3-digit Ground Reject value indicates the

setting. Rotate the knob slowly for ne adjustment. Rotate

faster, or spin the knob, to quickly adjust over a wider ground

range. Press-and-hold to return to default level of 75.0.

3. MODE: Select one of the three operating modes (see the next

section, “Mode and Mineralization Selections,” for details).

4. MINERALIZATION: Select one of the three ground

mineralization settings, depending on the mineralization

content of the ground you are searching (see next section,

“Mode and Mineralization Selections,” for details).

CONTROL PANEL

Figure 5.

Your GoldBug2 does not require a lot of care but there are a few things

you should do to keep it in peak operating condition.

1. If you are not going to be using it for awhile, take the batteries

out. Acid damage caused by leaking batteries can be severe.

2. Avoid extreme temperatures. Do not leave it inside a closed

car sitting in the sun. Even worse, the trunk of a car.

3. If you “scrub” the searchcoil on the ground, you will eventually

wear through the bottom. Replacement coils are expensive.

Instead, invest in an inexpensive coil cover.

4. Although the GoldBug2 control housing is moisture and dust

resistant, it is a good idea to put a plastic bag or the optional

“rain cover” over the control housing if you are hunting in the

rain.

5. Keep your GoldBug2 dry and clean. Wipe o the lower stem

before sliding it into the upper stem, and keep the lock nut free

of sand and dirt.

BATTERY REPLACEMENT (continued)

MAINTENANCE

1. To replace the batteries, open the battery compartment by

gently pressing down on the battery door latches. The doors are

tethered with short, nylon string. Do not attempt to completely

remove them.

2. Tilt the housing gently, and the batteries will slide out.

3. Insert the new batteries. Make sure the contact end goes in rst

and you match the polarity markings on the control housing.

4. To close, simply hook the lower edge of the battery door over

the inside of the battery compartment and gently push it shut.

5. Push the latch up to make sure it has snapped in place.

DO NOT MIX OLD AND NEW BATTERIES

10 27

CONTROL PANEL (continued)

5. THRESHOLD: This control sets the volume level of the faint

but continuous background tone.

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

signal-response volume. If you are wearing headphones with

independent volume controls, set your GoldBug2 VOLUME

control to 10 and decrease the volume of your headphone

controls to a comfortable level. This will ensure the hottest

possible signal from your GoldBug2.

7. BACKLIGHT: Press to turn backlight on/off. To adjust the

illumination level of the backlight, press and hold while

rotating the Ground Reject Knob. Your illumination setting will

be saved.

8. LCD DISPLAY KNOB: Ground Reject Setting, Operating Mode

Indicator, Mineralization Indicator, Backlight Indicator, Battery

Status.

9. 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 GoldBug2 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 tethered seal and plug

in your headphone jack. When not using headphones, be sure

to keep the seal plugged into the HEADPHONE jack to keep

dust and moisture out of the control housing.

This device is to be used with interconnecting cables/

headphone cables shorter than three meters.

The 3-segment battery status indicator is calibrated to alkaline batteries

If using, lithium or nickel metal hydride batteries, your

detector may turn o due to insucient battery voltage

before you receive a low-battery indication.

Two 9V batteries are located in separate compartments at the rear of

the GoldBug2 control housing.

• Make sure the backlight is turned o in daylight.

• High quality brand name alkaline batteries provide up to 20

hours of operation.

• Lithium batteries can provide up to 40 hours of operation.

• Nickel metal hydride rechargeable batteries provide about 8

hours of operation.

• DO NOT USE ordinary zinc carbon batteries. They are sometimes

marketed as “heavy duty” batteries.

• At one segment, less than 5 hours of operation

remain.

• If the battery icon is ashing, the detector

will turn of within minutes. Replace batteries

immediately.

BATTERIES

Your GoldBug2 operates on

two 9V batteries that drop

into compartments at the

rear of the control housing.

Snapping the door latch in

place makes the battery

connection.

Figure 13.

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