Advantech DVMB-554E - Manual (Page 62)

62
3.10 Frequency / Voltage Control
Figure 3.14: Spread Spectrum Control screen
3.10.1 Spread Spectrum
This setting allows you to reduce EMI by modulating the signals the CPU
generates so that the spikes are reduced to flatter curves. This is achieved
by varying the frequency slightly so that the signal does not use any par-
ticular frequency for more than a moment. The choices are “Disabled”
and “Enabled”.