National Geographic 80-20012 User Manual

DIGITAL METAL
DETECTOR
INSTRUCTION MANUAL
CHOKING HAZARD — Small parts.
Not for children under 3 years.
WARNING:
NOT INCLUDED
X2
Do not mix old and new batteries. Do not mix alkaline,
standard (carbon-zinc), or rechargeable (ni-cad, ni-mh, etc.) batteries.
Non-rechargeable batteries are not to be recharged.
Please recycle batteries responsibly.
80-20012
AGES

National Geographic 80-20012 Specifications

General

Brand	National Geographic
Model	80-20012
Category	Metal Detector
Language	English

Summary

Features Overview

LCD Display Functionality

Explains the LCD screen's display of metal type, depth, mode, and battery status.

Three Tone Audio Discrimination

Highlights the use of distinct audio tones for identifying different metal types.

DISC Functionality

Details how the DISC feature ignores junk metal by setting a discrimination range.

P/P Functionality

Describes the P/P feature for pinpointing the accurate location of detected targets.

Headphone Jack Connection

Explains connecting headphones via the 3.5mm jack, disabling the internal speaker.

Power Requirements

Specifies the need for two 9V alkaline batteries, which are not supplied.

Waterproof Search Coil

Notes the search coil's waterproof design, allowing for underwater detector use.

Preparation and Setup

Assembling the Detector

Provides step-by-step instructions for assembling the control box, stem, and search coil.

Installing Batteries

Guide on inserting two 9V batteries, including important cautions for battery use.

Using Headphones

Listening Safely

Offers recommendations for safe headphone usage, focusing on hearing protection and environmental awareness.

Functions and Indicators

Quick Look at the Detector

An overview of the detector's primary controls and components.

LCD Displays Explained

Details the information presented on the LCD screen during operation.

Target Denomination

Explains how target icons and ranges identify different types of metal.

Audio Tones

Describes the three distinct audio tones used for metal identification.

Detector Operation

Setting Sensitivity

Instructions for adjusting the detector's sensitivity level for optimal performance.

Setting Volume

Guidance on adjusting the audio output volume to a comfortable listening level.

Setting Operation Mode

Details on selecting between ALL METAL, DISC, and PINPOINT operational modes.

Pinpointing a Target

How to use the P/P function to precisely locate a detected metal object.

Testing and Usage

Indoor Testing and Use

Instructions for testing the detector's performance within an indoor environment.

Outdoor Testing and Use

Guide for conducting performance tests of the detector in an outdoor setting.

Search Coil Sweeping Hints

Tips for proper search coil movement to ensure accurate detection and avoid false readings.

Application Hints

Pinpointing The Target Accurately

Detailed steps for accurately locating buried targets to facilitate easier excavation.

Factors Affecting Detecting

Identifies various factors that can influence the accuracy of detection results.

Care and Maintenance

Troubleshooting Guide