Dakota Ultrasonics DFX-7 plus MANUAL1 - Manual (Page 67)

DFX-7 Ultrasonic Flaw Detector
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2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until DAC is highlighted.
3) Press the LEFT and RIGHT arrow keys to toggle the DAC feature ON or
AUDIBLE. The menu items should now become active and adjustable, as
illustrated above.
Activating Draw Mode
1) Press the UP and DOWN arrow keys until DRAW is highlighted, followed by
pressing the LEFT and RIGHT arrow keys until ON is displayed.
Quantity Displayed
1) Press the UP and DOWN arrow keys until MEAS is highlighted, followed by
pressing the LEFT and RIGHT arrow keys to toggle and select dB, %FSH,
or %DAC.
Selecting the Curve(s)
1) Press the UP and DOWN arrow keys until CURVE is highlighted, followed
by pressing the LEFT and RIGHT arrow keys to toggle and select DAC, -2, -
4, -6, -10, (-6/-12), or (-6/-14) curve options. The CURVE option can be
changed at any time after the DAC curve has been created.
Setting the Curve(s) Trigger
1) Press the UP and DOWN arrow keys until TRIGGER is highlighted, followed
by pressing the LEFT and RIGHT arrow keys to toggle and select which
curve or gate to use as the alarm trigger. The options displayed will vary
according to which CURVE option has been selected above: DAC, -2, -4, -6,
-10, (-6/-12), or (-6/-14) curve options. The Trigger option can be changed
at any time after the DAC curve has been created.
Selecting the Fit