DFX-7
Ultrasonic Flaw Detector
65
ex. 1
ex. 2
2) Press the
MEAS
key multiple times to move right, and the
ESC
key multiple
times to move left until the
DAC BOX:
cell is highlighted. Now that the
DAC
BOX:
cell is highlighted, the cursor can be controlled by moving the
LEFT
and
RIGHT
arrow keys.
3) Couple the transducer to the first calibration standard, and peak up on the
reflector, adjusting the gain to keep the signal height within the boundaries
of the waveform display area, and at a suitable height to allow for
attenuation at greater depths in the overall range to be tested.
4) Press the
LEFT
and
RIGHT
arrow keys to move the cursor over the
waveform to be used as the first point in the
DAC
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.
Note:
The
DAC
curve will be displayed after 3 points have been set/recorded,
and will continue to be redrawn/updated for each additional point added,
with a maximum of 8 points allowed.
