Checkline DFX-7 - Manual (Page 47)

DFX-7 Ultrasonic Flaw Detector
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stable. Also, be sure there is sufficient signal amplitude in order to avoid ‘peak
jumping’ or missing the first cycle.
Adjusting the Gate
1) Press the MEAS key once to activate the measure menu items. Press the
MEAS key multiple times to move right and the ESC key multiple times to
move left, until the GATE1 cell is highlighted.
2) Press the LEFT and RIGHT arrow keys to move the gate over the waveform
to be measured, as demonstrated in the screen shot above.
Note: In order to trigger on a signal, the waveform must be inside the
boundaries of the gate.
Calibrating the Second Point
1) 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 CAL menu is highlighted and displaying the submenu items, as shown in
the screenshot above.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until MATL 2PT is highlighted.
3) Press the ENTER key to display the Digits Edit Box.