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Manual Fisher TW-7700

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Summary
  • Fisher TW-7700 - page 1

    TW-7700 Operating Manual FISHER RESEARCH LABORATORY Digital Line Tracer ...

  • Fisher TW-7700 - page 2

    Description .............................................................................. pg. 3 Transmitter ............................................................................. pg. 4 Receiver ................................................................................... pg. 5 Accessories .............................................. ...

  • Fisher TW-7700 - page 3

    DESCRIPTION 1 3 The TW-7700 Digital Line Tracer consists of a transmitter, receiver, ground-plate/ground-rod assembly, carrying case (hard or soft), and an operators manual. The TW-7700 is a single frequency line tracer. The TW-7700 is an active locating line tracer. There are three methods of active locating that an operator can use to trace a uti ...

  • Fisher TW-7700 - page 4

    4 TW-7700 TRANSMITTER Transmitter WARNING: Do not handle output leads unless power is off. ELECTRIC SHOCK HAZARD: Servicing to be performed by qualified personnel only. Located on the transmitter are the power mode and the accessory output. The power mode enables the operator to turn the transmitter on or off, and to check the condition of the batt ...

  • Fisher TW-7700 - page 5

    5 Receiver Mode This button does not have a function on the TW-7700. (It allows users of the TW-8800 Multi-Frequency Line Tracer to change frequencies.) Power On/Off Turns the receiver on or off. Light Lights up the display for usage in dark areas. When the display is backlit, LIGHT is shown on the bottom left hand side of the display screen. Bat P ...

  • Fisher TW-7700 - page 6

    6 TW-7700 RECEIVER Frequency Modes The frequency at which the receiver is operating. << Left/Over Target>/Right>> Indicates where the receiver is in relation to utility. Numeric Display Serves a dual function: •Relative signal strength of the transmitted signal (% shown). Responds in conjunction with the bar graph. •Depth to the ...

  • Fisher TW-7700 - page 7

    7 ACCESSORIES The coupling clamp is useful when the utility is exposed, and a direct connection is not possible. It is plugged into the same plug-in socket as the ground-plate/ground-rod assembly. The coupling clamp only operates at the 82 kHz frequency. The coupling clamp will fit around utili- ties that are 3-¼ inches in diameter or smaller. The ...

  • Fisher TW-7700 - page 8

    Set-up Transmitter either Inductively or Conductively Inductive Be aware of air coupling, the transmitted signal travelling to the Receiver via the air, not the utility. Conductive Connect the ground plate/ground rod assembly to the trans- mitter. Connect the red lead to the non energized utility. Con- nect the black lead to the ground plate/ground ...

  • Fisher TW-7700 - page 9

    DEPTH ACCURACY Depth measurement is a feature of the TW-7700. Accuracy is defined on an ideal target, that is, one that is continuous, a good conductor, and not surrounding by other utilities. There are factors that can cause the operator to question the accuracy of the utility being traced. Inductive Transmitter Setup Inductively, only a small por ...

  • Fisher TW-7700 - page 10

    SPECIFICATIONS Subject to improvement or modification without notice. 10 TRANSMITTER RECEIVER Depth Accuracy ...................... +1 inch per foot in nominal condi- tions Readout Units ........................ Inches or cm (factory preset) Left/Right Guidance ............... Audio: continuous tone=Left, pulsed tone=Right. VCO (varying pitch) outp ...

  • Fisher TW-7700 - page 11

    NOTES ...

  • Fisher TW-7700 - page 12

    FISHER RESEARCH LABORATORY 200 W. Willmott Rd., Los Banos, CA 93635 Tel 209.826.3292 Fax 209.826.0416 www.fisherlab.com email:info@fisherlab.com EXPORT DEPARTMENT P.O. Box 1896 New Haven, CT 06508 USA Tel 203.288.1638 Fax 203.287.8099 email:mb@exportdept.com QUALITY Fisher detectors are renowned for their quality. Each detector is hand crafted in t ...

Manufacturer Fisher Category Projection Television

Documents that we receive from a manufacturer of a Fisher TW-7700 can be divided into several groups. They are, among others:
- Fisher technical drawings
- TW-7700 manuals
- Fisher product data sheets
- information booklets
- or energy labels Fisher TW-7700
All of them are important, but the most important information from the point of view of use of the device are in the user manual Fisher TW-7700.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Fisher TW-7700, service manual, brief instructions and user manuals Fisher TW-7700. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Fisher TW-7700.

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A complete manual for the device Fisher TW-7700, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Fisher TW-7700 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Fisher TW-7700.

A complete Fisher manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Fisher TW-7700 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Fisher TW-7700, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Fisher TW-7700, that we can find in the current document
3. Tips how to use the basic functions of the device Fisher TW-7700 - which should help us in our first steps of using Fisher TW-7700
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Fisher TW-7700
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Fisher TW-7700 in a specific country, if it was not possible to solve the problem on our own.

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