Olympus EPOCH 650 User Manual page 9

11.5.3.2
11.6 Waveform Averaging ............................................................................................. 265
11.6.1 Waveform Averaging Setup ....................................................................... 266
11.6.2 Using Waveform Averaging ....................................................................... 266
11.7 Back Wall Echo Attenuator .................................................................................... 268
11.8 Interface Gate ........................................................................................................... 271
11.8.1 Activating the Interface Gate ...................................................................... 271
11.8.2 Adjusting the interface gate ........................................................................ 271
11.8.3 Setting the Material Velocity ...................................................................... 272
11.8.4 Using Run Mode .......................................................................................... 272
11.8.5 Interface Gate Compatibility ...................................................................... 274
11.8.6 Gate Measurements and Alarms ............................................................... 275
11.9 Corrosion Module ................................................................................................... 275
11.9.1 Key Features ................................................................................................. 275
11.9.2 Corrosion Module Screen ........................................................................... 276
11.9.3 Corrosion Module Activation and Setup ................................................. 278
11.9.4 Basic Measurement Adjustments .............................................................. 280
11.9.4.1
11.9.4.2
11.9.4.3
11.9.5 Calibration for Additional Accuracy ........................................................ 283
11.9.6 Echo-to-Echo Measurements ...................................................................... 283
11.9.7 B-Scan ............................................................................................................ 285
11.9.7.1
11.9.7.2
11.9.7.3
11.9.7.4
11.10 Template Storage ..................................................................................................... 292
12. Maintenance and Troubleshooting ...................................................... 297
12.1 Replacing the Battery ............................................................................................. 297
12.2 Instrument Cleaning ............................................................................................... 298
12.3 Verifying O-Ring Gaskets and Seals .................................................................... 298
12.4 Protecting the Display ............................................................................................ 299
12.5 Annual Calibration ................................................................................................. 299
12.6 Troubleshooting ...................................................................................................... 299
13. Specifications ............................................................................................ 301
13.1 General and Environmental Specifications ......................................................... 301
13.2 Channel Specifications ........................................................................................... 303
13.3 Input/Output Specifications .................................................................................. 305
Crack Sizing ....................................................................................... 264
Rectification ........................................................................................ 280
Extended Blank Control ................................................................... 280
Manual Gain Adjustment ................................................................ 281
Activating the B-Scan ........................................................................ 286
B-Scan Setup Page ............................................................................. 287
B-Scan Acquisition and Control ...................................................... 289
Viewing the B-Scan in the Data Logger ......................................... 290
DMTA-10055-01EN, Rev. A, February 2015
Table of Contents ix