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Minelab GPX 4800 User Manual

Minelab GPX 4800
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Instruction Manual

Table of Contents

Questions and Answers:

Minelab GPX 4800 Specifications

General IconGeneral
Ground BalanceAutomatic and Manual
Headphone JackYes
DisplayLCD
TypePulse Induction
TechnologyPulse Induction
Search ModesMultiple
Audio OutputYes
Weight2.5 kg
BatteryLithium-Ion

Summary

Quick Start Guide

Introducing the GPX 5000 and GPX 4800

Key Features

Ground Balance (GB) Type

Explains the three settings for ground balance: Normal, Specific, and Off, and their uses.

Timings

Details the various timings available to optimize detector performance for different soil and target types.

List of Parts

Assembly Instructions

Attaching the Coil to the Lower Shaft

Step-by-step guide on how to connect the detector coil to the lower shaft.

Connecting the Battery Pack

Instructions on how to connect the battery pack to the detector and headphones.

Adjusting for Comfortable Detecting

Adjusting the Length of the Lower Shaft

Guidance on setting the correct shaft length for optimal balance and maneuverability.

Fitting the Battery Harness

Instructions on how to properly fit the battery harness for comfortable use.

Charging the Battery

Mains Charger Adaptor

Details on using the mains charger to charge the detector's battery.

Detecting Basics

Understanding Detector Sounds

Target Response

Explains the audio change when a target is detected and not discriminated.

Ground Noise

Describes sounds caused by ground mineralization and how to compensate.

Front Control Panel Overview

Auto Tune Function

Details the Auto Tune function for reducing electrical interference.

Search Mode Selection

Explains the different search modes and their factory preset settings.

Rear Control Panel Overview

Function Select Control

Describes how to scroll through the detector's functions.

Setting Control

Explains how to adjust the value of selected functions.

Turning the Detector On and Off

Search Mode Operations

General and Deep Search Modes

Details on using the General and Deep search modes for various conditions.

Custom Search Modes

Information on selecting and using custom search modes.

Tune Function Operations

Auto Tune Procedure

How to perform an automatic tune to reduce electrical interference.

Threshold Adjustment

Soil/Timings Settings

Normal Timing Mode

Details the Normal timing setting for general detecting conditions.

Special Timing Modes

Explains the Special timing option and available modes.

Coil/Rx Settings

Double D Coil Setting

Describes the Double D setting for mineralized ground and pinpointing.

Mono Coil Setting

Details the Mono setting for low to medium mineralization.

Ground Balance Operations

Tracking Ground Balance

Explains how Tracking ground balance automatically monitors and adjusts mineralisation.

Fixed Ground Balance

Details the Fixed ground balance setting for stable conditions.

Ground Balance Procedure for Tracking

Ground Balance Procedure for Fixed

Restoring Factory Presets

Volume Limit Setting

Ground Balance Type Selection

General Ground Balance Type

Describes the General ground balance type for most goldfield soils.

Specific Ground Balance Type

Explains the Specific ground balance type for magnetic, iron-rich soils.

Special Soil/Timings Modes

Sensitive Smooth (GPX 5000)

Details the Sensitive Smooth timing optimized for small, shallow nuggets.

Sharp Timing Mode

Explains the Sharp timing for a more powerful detection field.

Motion (Sweep Speed) Adjustments

Very Slow and Slow Motion Settings

Describes the Very Slow and Slow motion settings for stable threshold and depth.

Fast Motion (GPX 5000)

Details the Fast motion setting for quick ground coverage.

Rx Gain Adjustment

Audio Type Settings

Normal Audio Type

Describes the Normal audio type for general detecting and best compromise.

Deep Audio Type

Explains the Deep audio type for searching larger targets at depth.

Iron Reject Operations

Understanding and Using Iron Reject

Guide on levels and application of Iron Reject for ferrous targets.

Pinpointing Targets

Locating and Identifying Targets

Methods for accurately locating targets before digging.

Recovering the Target

Step-by-Step Target Extraction

Detailed steps for safely digging and recovering detected targets.

Detecting Tips for Success

Maximizing Gold Recovery and Signal Identification

Tips for optimal gold recovery and distinguishing target signals.

Choosing the Right Coil for the Job

Factors for Coil Selection

Guide on selecting coils based on size, depth, mineralisation, terrain, discrimination, and search pattern.

Troubleshooting Guide

Common Issues and Solutions

Lists common problems and their recommended solutions for the detector.

Technical Specifications

Warranty Information

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