Hanning
Hamming
Blackman
8. REF
Reference Waveforms are saved waveforms to be selected for display. The reference
function will be available after saving the selected waveform to non-volatile memory.
Press M/R button to display the Reference waveform menu.
Select menu Enable->ON to enter reference function window. The reference function
window is displayed in figure 2-15.
Internal
M/R → REF → Internal
Press
REF menu when using internal memory
Better frequency, poorer
magnitude accuracy than
Rectangular. Hamming has
slightly better frequency
resolution than Hanning.
Best magnitude, worst frequency
resolution.
Figure 2-15 The reference function window
and go to the following menu.
Sine, periodic, and narrow-band
random noise. Transients or
bursts where the signal levels
before and after the events are
significantly different.
Single frequency waveforms, to
Find higher order harmonics.
2