Dakota Ultrasonics PVX User Manual

Page 18

Dakota Ultrasonics

on. The options are Spike, Thin , and Wide. Refer to page 71 for a further
explanation.

3.3 CAL – Menu

Units: Toggle between English or Metric units and low and hi resolutions. The
readout will change from inches to millimeters (IN, IN HR, MM, MM HR). The high
resolution options are indicated with HR following the units, and offer an additional
decimal place of overall resolution (i.e. IN = .001” and IN HR = .0001”).
Velocity: Function to calibrate the PVX by setting the velocity to a known material
velocity. Refer to page 35 for further info.
One Point: Performs a single point calibration. This option allows the user to
automatically calculate the velocity by entering a known sample thickness. Refer to
page 37 for further info.
Two Point: Performs a two -point calibration. This option allows the user to
automatically calculate the velocity by entering a second known sample thickness.
Refer to page 38 for further info.
Material: Select the material velocity from a chart of basic material types, when a
known sample thickness, or material velocity cannot be obtained. Refer to page 41
for further info.

3.4 DISP (display) – Menu

View: Selectable RF wave, RECT (rectified) wave, BSCAN (cross section), and
DIGITS (large digits) views. Refer to page 43 for further info.
Backlight: Selectable OFF, ON, AUTO, or INVERT backlight option. The INVERT
option is actually a screen inversion that toggles background and foreground colors.
Contrast: Adjustable display contrast for variable light conditions.

Delay: Provides the user the ability to change where the left side of the display
window starts according to thickness, in inches or millimeters. Refer to page 53 for
further info.
Width: Provides the user the ability to change the overall size of the viewable
measurement area. It functions a lot like a zoom on a camera. Refer to page 50 for
further info.