Dakota Ultrasonics PVX - Manual (Page 82)

Dakota Ultrasonics
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view the positive and negative cycles of the waveform. Please refer to page 43
for information o n selecting the Display Views.
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 TUNE menu is highlighted and displaying the submenu items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until POLARITY is highlighted.
3) Use the LEFT and RIGHT arrow keys to toggle the POLARITY negative or
positive.
4) Press the MEAS key to return to the measurement screen and begin taking
readings.
Important: If a contact transducer is being used in pulse-echo mode, be sure
to do a Probe Zero after change the polarity.
9.6 Rectified Waveform (Filled/unfilled)
The PVX has yet another feature primarily included for user personal viewing
preference. When the PVX is in the Rectified Display View, the waveform can be
completely filled in black, or simply outlined. The procedures to toggle this feature,
are outlined below:
Toggle Rect Wave (filled / Unfilled)