Fisher TW-7700 Manual de usuario

TW-7700Operating ManualFISHER RESEARCH LABORATORY Digital Line Tracer

SPECIFICATIONSSubject to improvement or modification without notice.10TRANSMITTERRECEIVERDepth Accuracy ... +1 inch per foot in nom

NOTES

FISHER RESEARCH LABORATORY200 W. Willmott Rd.,Los Banos, CA 93635Tel 209.826.3292 Fax 209.826.0416www.fisherlab.com email:[email protected]

Description... pg. 3Transmitter ...

DESCRIPTION13The TW-7700 Digital Line Tracer consists of a transmitter, receiver,ground-plate/ground-rod assembly, carrying case (hard or soft),and an

4TW-7700 TRANSMITTERTransmitterWARNING: Do not handle output leads unless power is off.ELECTRIC SHOCK HAZARD: Servicing to be performed byqualified pe

5ReceiverModeThis button does not have a function on the TW-7700.(It allows users of the TW-8800 Multi-Frequency LineTracer to change frequencies.)Pow

6TW-7700 RECEIVERFrequency ModesThe frequency at which the receiver is operating.<< Left/Over Target>/Right>>Indicates where the receiv

7ACCESSORIESThe coupling clamp is useful when the utility is exposed,and a direct connection is not possible. It is plugged intothe same plug-in sock

Set-up Transmitter either Inductively or ConductivelyInductiveBe aware of air coupling, the transmitted signal travellingto the Receiver via the air,

DEPTH ACCURACYDepth measurement is a feature of the TW-7700. Accuracy isdefined on an ideal target, that is, one that is continuous, agood conductor,