GE PT878GC User Manual Page 10

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April 2004
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Table of Contents (cont.)
Chapter 9: Servicing the PT878GC
Entering the Service Menu . . . . . . . . . . . . . . . . . . . . . . . . .9-2
Printing Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-3
Setting up the Thickness Gauge . . . . . . . . . . . . . . . . . . . . .9-5
Measuring Pipe Wall Thickness . . . . . . . . . . . . . . . . . . . . .9-7
Entering the Material and Sound Speed. . . . . . . . . . . .9-7
Measuring Thickness in Numeric Format . . . . . . . . . .9-9
Displaying the Receive Signal in Graphical Format .9-10
Calibrating the Thickness Gauge Transducer . . . . . .9-12
Calculating Velocity (Pipe Material Sound Speed). .9-14
Programming the Thickness Gauge . . . . . . . . . . . . . . . . .9-17
Displaying Diagnostic Parameters . . . . . . . . . . . . . . . . . .9-20
Calibrating the Analog Output and Inputs . . . . . . . . . . . .9-21
Calibrating the Analog Output. . . . . . . . . . . . . . . . . .9-21
Calibrating Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . .9-23
Setting up Signal Parameters . . . . . . . . . . . . . . . . . . . . . .9-25
Setting up Signal Parameters . . . . . . . . . . . . . . . . . . .9-26
Setting up the Measurement Mode . . . . . . . . . . . . . .9-28
Setting Up Pulse/Code Parameters. . . . . . . . . . . . . . .9-30
Setting Error Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-32
The Test Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-35
Testing the Screen . . . . . . . . . . . . . . . . . . . . . . . . . . .9-36
Testing the Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-37
Testing the Watchdog Timer Circuit . . . . . . . . . . . . .9-38
Setting Impulse Response . . . . . . . . . . . . . . . . . . . . .9-39
Taking Wave Samples for Diagnosis. . . . . . . . . . . . .9-40
Applying a Stored Signal for Diagnosis. . . . . . . . . . .9-40
Testing the Battery. . . . . . . . . . . . . . . . . . . . . . . . . . .9-41
Resetting to Factory Default Parameters . . . . . . . . . . . . .9-42
Updating PT878GC Software. . . . . . . . . . . . . . . . . . . . . .9-43
Updating Software Via IrOBEX . . . . . . . . . . . . . . . .9-44
Updating Software Via IrCOMM . . . . . . . . . . . . . . .9-46
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