Dakota Ultrasonics DFX-8 plus MANUAL1 - Manual (Page 74)

Dakota Ultrasonics
70
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 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 on the right
button wheel.
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 on the right button wheel 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 16 points allowed.