Dakota Ultrasonics DFX-8 plus MANUAL1 - Manual (Page 79)

DFX-8 Series Ultrasonic Flaw Detectors
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1) With all the parameters set in the previous section, press the MEAS key
once to return to the main measurement screen.
Note: The user should now see a highlighted cursor displayed in the waveform
area, starting at the left most side of the display area.
ex. 1 ex. 2
2) Press the left button wheel, press the LEFT and RIGHT arrow keys to
scroll through the 9 individual Hot Menus, and the UP and DOWN arrow
keys to scroll through the Hot Menu items until the TCG BOX: cell is
highlighted. Now that the TCG BOX: cell is highlighted, the cursor can be
controlled by moving the LEFT and RIGHT arrow keys on the right
button wheel.
3) Couple the transducer to the first calibration standard, and peak up on the
reflector to achieve maximum signal amplitude.
4) Press the LEFT and RIGHT arrow keys on the right button wheel to
move the cursor over the waveform to be used as the first point in the TCG
curve, and press the ENTER key to set the first point. Illustrated in ex.1
above.
5) Repeat steps 3 & 4 to set multiple points as is necessary. Illustrated in ex.2
above.