Dakota Ultrasonics
82
2) 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.
3) Press the
LEFT
and
RIGHT
arrow keys to move the cursor over the
waveform that will be used to set the
REFERENCE GAIN
and draw the
DGS
curve.
Note:
The
DGS
curve uses 16 points to plot the curve.
4) Press the
MENU
key once to activate the menu items tab. Press the
MENU
key multiple times to tab right, and the
ESC
key multiple times to tab left,
until the
DGS
menu is highlighted and displaying the submenu items.
Alternatively, press the
LEFT
and
RIGHT
arrow keys multiple times using
the left button wheel.