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Fisher Labs TW-7700 User Manual

Fisher Labs TW-7700
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TW-7700
Operating Manual
F I S H E R R E S E A R C H L A B O R A T O R Y
Digital Line Tracer
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Fisher Labs TW-7700 Specifications

General IconGeneral
BrandFisher Labs
ModelTW-7700
CategoryMeasuring Instruments
LanguageEnglish

Summary

TW-7700 Digital Line Tracer Description

TW-7700 Transmitter Operation

Transmitter Controls and Features

Details the power mode, accessory output, and LED indicator on the transmitter.

TW-7700 Receiver Overview

Receiver Controls

Explains the function of buttons like Mode, Power, Light, and Volume on the receiver.

TW-7700 Receiver Display Functions

TW-7700 Optional Accessories

Coupling Clamp Usage

Details the coupling clamp's function, application, and limitations for exposed utilities.

Headset Options

Lists available headset types for improved audio reception and noise reduction.

TW-7700 Operating Instructions

Initial Transmitter Setup

Guides on inductive and conductive transmitter setup and initial scanning procedures.

Line Tracing Techniques

Explains how to use the receiver's directional indicators and audio cues for tracing.

Depth Measurement Procedure

Details the steps for measuring the depth of the target utility using the receiver.

TW-7700 Depth Accuracy Considerations

Factors Affecting Depth Readings

Discusses inductive setup, signal strength, nearby utilities, and moisture impact on depth accuracy.

TW-7700 Technical Specifications

Receiver Specifications

Details depth accuracy, readout units, guidance, signal strength, and battery specs for the receiver.

Transmitter Specifications

Lists output frequency, power, battery type, and life for the transmitter.

Benefits of Using Headphones

Treasure Hunter's Code of Ethics