Fisher Labs F 75 User Manual

Comprehensive Operating Manual & Guide to Metal Detecting
F75
Metal Detector
Users Manual
5-Year Limited Warranty
The F75 metal detector is warranted against defects in materials and
workmanship under normal use for five 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
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.
Copyright© 2007 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
F75-MANUAL.qx6 8/15/07 9:42 AM Page 1

Fisher Labs F 75 Specifications

General

Brand	Fisher Labs
Model	F 75
Category	Metal Detector
Language	English

Summary

Product Features

Specifications

Quick Start

Use Your F75 Right Out of the Box

Step-by-step guide for initial setup and basic operation.

Assembly

Adjust to Your Height

Procedure for adjusting the detector's shaft length for optimal user comfort.

Insert Batteries

Instructions for correctly installing the AA batteries into the detector.

Mechanicals

BATTERIES

Details on battery types, life, and installation for the detector.

Introduction to the Fisher F75

RESET function

Procedure to restore the detector to factory default settings.

Controls

Settings Knob

Explains the function and operation of the main settings adjustment knob.

Menu Button

Describes how to navigate through the detector's menu system.

Dual-function Trigger switch

Details the functions of the trigger, including pinpointing and FASTGRAB.

ON-OFF & VOLUME Knob

MENU Pushbutton

SETTINGS Knob

TRIGGER SWITCH

Elaborates on the trigger's use for pinpointing and FASTGRAB.

The Menu System

To Select a Function

Ground Balancing

What is Ground Balancing?

Explains the process of canceling ground mineral interference for better detection.

AUTOMATIC GROUND BALANCING PROCEDURE (FASTGRABTM)

Step-by-step instructions for the automatic ground balancing feature.

MANUAL GROUND BALANCING

Instructions for performing ground balancing manually via the menu.

Motion All Metal Mode

THRESHOLD

Static All Metal Mode

GROUND BALANCE

Importance of performing ground balance before using Static mode.

Discrimination Mode

SENSITIVITY

Setting sensitivity for quiet operation in Discrimination mode.

DISCRIMINATION LEVEL

How to set the level to reject unwanted metal targets.

To Use DISC LEVEL

NOTCH

Feature to include or exclude specific target ranges.

To Demonstrate How to Set a Notch

PinPoint Feature

How to Pinpoint

Detailed technique for locating the exact position of a buried target.

Narrow It Down

LCD Visual Display

NUMERIC TARGET I.D. (2-digits)

PROBABLE TARGET I.D.

DEPTH

MESSAGES

Search Techniques

Sweeping Searchcoil

Proper technique for sweeping the searchcoil for target detection.

Pinpointing With the Trigger Switch

Using the trigger for precise target location.

Estimating Target SIZE, DEPTH, and SHAPE

False Signals and Chatter

Common causes of false signals and how to troubleshoot them.

ELECTRICAL INTERFERENCE

GROUND MINERALS

HOT ROCKS

Using the Sensitivity Control

Adjusting sensitivity for different hunting scenarios.

Tips on Ground Balancing

Advice and best practices for effective ground balancing.

Detecting Activities

Coinshooting

Relic Hunting

Gold Prospecting

Techniques and considerations for finding gold with the detector.

Gold Prospecting (continued)

Cache Hunting

Shallow Water Hunting