910-269-EN, Rev. B, June 2011
Managing Phased Array Image Display 255
14.2 Focal Law (Angle) Selection Cursor
The EPOCH 1000 Series features a dedicated focal law (angle) cursor on the S-scan
image that identifies the currently selected A-scan. The currently selected A-scan is
the viewable A-scan in A/S Vert, A/S Horz, and Ascan view modes, and is also the
source of measurement readings while in phased array mode.
Adjusting the selected A-scan is a common task performed in phased array mode. To
increase inspection efficiency and ease of use, the EPOCH
1000 Series gives direct
access to this adjustment.
To adjust the focal law (angle) selection cursor
1. Press [ANGLE].
2. Use the [UP] and [DOWN] arrow keys or the adjustment knob to change the
value of the selected focal law (angle).
Alternatively, you may adjust the focal law (angle) selection cursors by choosing 1/5 >
PA Display
> Angle.
When the focal law (angle) selection cursor is adjusted, a red line appears on the
S-scan image. This line corresponds to the single A-scan that is currently being
displayed and/or used for measurement reading acquisition. The value of this angle is
displayed at the top of the instrument display in the Angle parameter box.
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