Dakota Ultrasonics DFX-7 plus MANUAL1 - Manual (Page 85)

DFX-7 Ultrasonic Flaw Detector
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6) Press the LEFT and RIGHT arrow keys multiple times to scroll the digit
locations.
7) Repeat steps 5 & 6 until the parameter value is correctly displayed.
8) Press the OK key to set the value and return to the ATTENUATION sub
menu screen, or ESC to cancel entering the parameter value.
Drawing the DGS Curve
1) Press the UP and DOWN arrow keys multiple times until REFERENCE
GAIN is highlighted, followed by pressing the LEFT and RIGHT arrow keys
to toggle on. With all the parameters set in the previous section, press the
MEAS key to return to the main measurement screen.
Note: The user should now see a highlighted cursor displayed in the waveform
area, starting at the left most side of the display. Also note that the DGS BOX
will be highlighted in the hot menus on the right of the display.