Fisher Gold Bug DP User Manual

2
TABLE OF CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Quick-Start Demo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9
Headphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Basics Of Metal Detecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-11
Ground Minerals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Trash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Identifying Buried Objects . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Size and Depth of Buried Objects . . . . . . . . . . . . . . . . . . . . .11
EMI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Operation and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Control Knobs
Off / On / Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Disc / All-Metal / Threshold . . . . . . . . . . . . . . . . . . . . . . . .14
T
ouchpad Controls
GG / Pinpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
+ and - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Operating in All-Metal Mode
Ground Grab (GG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Setting the Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Unwanted Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Sweeping the Searchcoil . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Reading the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Target Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Operating in Discrimination Mode
Ground Grab (GG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Setting the Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Disc Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Unwanted Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Sweeping the Searchcoil . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Using Pinpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Reading the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18-20
Ground Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-23
Ground Balancing Technical Info . . . . . . . . . . . . . . . . . . . . . . . . . .24
Target Display & Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Gold Prospecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26-27
Hot Rocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Electromagnetic Interference (EMI) . . . . . . . . . . . . . . . . . . . . . .29-30
Search Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Target Pinpointing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Optional 5”DD Searchcoil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Treasure Hunter’s Code of Ethics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Device Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Back Cover
35
5-YEAR LIMITED WARRANTY
The Gold Bug DP metal detector is warranted against defects in materials and
workmanship under normal use for 5 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 first 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.
1465-H Henry Brennan Dr.
El Paso, TX 79936
Phone: 915-225-0333 ext.118
NOTICE 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.
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.
According to FCC part 15.21 Changes or Modifications made to this device not expressly approved
by the party responsible for compliance could void the users authority to operate this equipment.
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 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
GOLD PROSPECTING ORGANIZATIONS
www.goldprospectors.org
www.fmdac.org
www.igu-net.org
www.agu.org

Fisher Gold Bug DP Specifications

General

Brand	Fisher
Model	Gold Bug DP
Category	Metal Detector
Language	English

Summary

5-YEAR LIMITED WARRANTY

Warranty Claim Procedure

Steps for making a warranty claim, including necessary documentation and contact information.

QUICK-START DEMONSTRATION

OPERATION & CONTROLS

Powering Up and Control Operation

How to turn on the detector and navigate its primary controls.

TARGET DISPLAY and AUDIO

Understanding Target Readouts

Interpreting the display signals, depth, audio feedback, and target IDs.

CONTROL PANEL

Control Knobs Overview

Details on the function of the OFF/ON/GAIN and DISC/ALL-METAL/THRESHOLD knobs.

Gain vs. Threshold

Explains the relationship and function of Gain and Threshold controls.

Touchpad Controls

Describes the functions of the GG/PINPOINT and +/- buttons.

OPERATING IN ALL-METAL MODE

Setting the Controls

Guidance on setting GAIN and THRESHOLD for optimal performance.

OPERATING IN DISCRIMINATION MODE

Ground Grab (GG)

Information on how ground balance carries over from All-Metal mode.

Using Pinpoint

How to use the pinpoint function to narrow down target location.

Discrimination Parameters

Setting Detection Controls

Guidance on adjusting GAIN, MODE, and DISC LEVEL for discrimination.

Reading the Display

Interpreting target ID, scale, and signal strength indicators.

Noise and Sweeping Techniques

Managing unwanted noise and proper searchcoil sweeping in Discrimination mode.