Dakota Ultrasonics MINI--MAX - Manual (Page 129)

MINI-MAX Ultrasonic Bolt Tension Monitor
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tab left, until the DISP menu is highlighted and displaying the submenu
items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until VIEW is highlighted.
3) Use the LEFT and RIGHT arrow keys to scroll the view options. Once
the appropriate view is displayed, press the MEAS key to return to the
measurement screen.
RF View
RF
The RF mode shows the waveform in a similar fashion to an oscilloscope. It
shows both the positive and the negative peaks. The peak (either positive or
negative) selected for measurement is shown in upper portion of the display.
It’s important to note that a measurement must fall inside the displays viewable
range in order to see the waveform. However, even if the waveform is outside of
the viewable range of the display, a measurement can be taken and viewed on
the digital readout. If the wave is outside of the display range, you can manually
change the range by adjusting the Delay and Width values, or you can use the
Auto Find feature located in the UTIL menu of the tabbed menu items.
The following is a list of the viewable features on the display: