Dakota Ultrasonics DFX-8 plus MANUAL1 - Manual (Page 53)

DFX-8 Series Ultrasonic Flaw Detectors
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Note: A velocity and zero value will be calculated and displayed in the fields a
shown above.
8) Finally, press the MEAS key to return to the measurement screen.
In order to trigger on anything that’s detected in the calibrated range, the
boundaries of the gate must be adjusted to include the entire range. Caution:
in both z-cross & flank detection settings, the first signal to cross the gate will be
triggered on. However, if the peak detection setting has been enabled, the
signal with the most amplitude will be detected.
Adjusting the Gate to Calibrated Range
1) Using 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 GATE1 cell is
highlighted. Alternatively, the MEAS & ESC keys can be used to scroll
through the Hot Menu items.
2) Press the LEFT and RIGHT arrow keys on the right button wheel to
move the gate start to a position less than 1 inch.