CLIOwin 6.5 PCI User's Manual - Audiomatica Srl
CLIOwin 6.5 PCI User's Manual - Audiomatica Srl
CLIOwin 6.5 PCI User's Manual - Audiomatica Srl
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9.2.1 TOOLBAR BUTTONS<br />
Starts an FFT or RTA measurement. Pressing the drop down menu it is possible to<br />
select the Continue switch. In this mode the measurements is not started from<br />
blank but accumulates with the previously stopped one; see Averaging (9.6) for<br />
details.<br />
Stops the current measurement.<br />
Selects Internal Trigger operation. When pressed the acquisition is triggered by the<br />
generated signal.<br />
Activates the Time Data display.<br />
Enables the Hold function. Depending on the setting entered in the FFT Settings<br />
dialog box, it is possible to hold either the minimum or maximum value per frequency<br />
point.<br />
Enters the FFT Settings dialog box.<br />
9.2.2 TOOLBAR DROP DOWN LISTS AND DISPLAY<br />
data window<br />
Selects a weighting data window among the following:<br />
- Rectangular (no window)<br />
- Hanning<br />
- Hamming<br />
- Blackman<br />
- Bartlett (triangular)<br />
- FlatTop<br />
channel display<br />
Selects the input channel or function to display.<br />
Y scale units<br />
Selects the measurement units.<br />
target averages<br />
Inputs the total number of averages. Averaging is controlled by the setting in the<br />
FFT Settings dialog; see Averaging (9.6) for details.<br />
number of averages display<br />
Displays the number of the actual average; this number increases during the<br />
measurement unless, while in exponential averaging, the target has already been<br />
reached; see Averaging (9.6) for details.<br />
78 Chapter 9 - FFT