Setting The Overlap Percentage; Setting The Machine Running Speed - Commtest Instruments vb Series Instrument Reference Manual

Setting the Overlap Percentage

Overlapping is a means of collecting and displaying data more
quickly. As vibration measurements are collected a percentage of the
new data is combined (overlapped) with each subsequent
measurement. The higher the overlap percentage, the less newly
acquired data is needed to generate a spectrum and thus the faster
the spectrum can be displayed. An overlap percentage of 50% is
ideal for most cases.
•
From the Averaging Menu press
•
Press

Setting the Machine Running Speed

•
From the Set Parameters Menu press
•
Press
this value.
74 Section 4: Manual Setup Measurement Parameters
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or to highlight the percentage to overlap and
to select.
and type in an RPM value then press to save