White's Goldmaster 66TR-4B User Manual

Provides an overview and encourages operator familiarity for optimal use and performance.

Details the transistorized design, audio system, meter, balanced induction principle, batteries, and tuning controls.

Instructions for assembling the rod sections and attaching the search loop to the instrument.

Explains the difference between small and large loops for various object detection and depth capabilities.

Guides on inserting AA batteries into holders and connecting them for the instrument's power.

Details the function switch positions and how to test battery levels using the instrument's meter.

Explains the ten-turn tuner for selecting metal or mineral modes and finding the threshold level.

Describes how to adjust circuit sensitivity for optimal detection distance and ground conditions.

Explains the control for adjusting meter sensitivity and interpreting readings as relative signal strength.

Details how to adjust the loudness for speaker or headphone output for comfortable listening.

Instructions for using the earphone jack to enable private listening and potentially increase audible sensitivity.

Provides guidance on metal detection, ground mineralization, loop height, and systematic sweeping for finds.

Explains how false readings occur, often due to object proximity, and methods to identify them.

Information on battery replacement, the instrument's two-year warranty, and service procedures.

Guidelines for cleaning, protecting from extreme weather, and proper storage to prevent damage.

Information on how to obtain service, warranty coverage, and what to include in inquiries.

Tips on detection depth, object types, interpreting signals, and hunting strategies for better results.