910-269-EN, Rev. B, June 2011
Calibrating the EPOCH 1000 Series (Phased Array Mode) 275
17. Calibrating the EPOCH 1000 Series
(Phased Array Mode)
This chapter describes how to calibrate the phased array mode of the EPOCH 1000
Series. Phased array calibration is the process of adjusting the unit so that it measures
accurately on a particular material, using a particular transducer at a particular
temperature, across all active focal laws. You must adjust the material velocity, wedge
delay, and sensitivity (gain) parameters of the EPOCH
1000 Series during calibration.
The EPOCH
1000 Series has an advanced auto-calibration feature, which provides a
fast and easy calibration process. The following section details the procedure for
calibrating the EPOCH
1000 Series for each of the parameters listed above in angle or
straight beam (zero degree) mode. The topics covered are as follows:
• Getting Started
• Calibration Types
• Calibrating with a Zero Degree Transducer
• Calibrating With an Angle Beam Transducer
• Gate Adjustment During Calibration
• Calibration On and Off
• Curved Surface Correction
17.1 Getting Started
Until you are completely comfortable operating the EPOCH 1000 Series, we
recommend that a basic review and setup procedure be used prior to starting the
actual calibration.
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