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User Manual 190S6FGT
A: Technically speaking, LCDs do flicker, but the cause of the
phenomenon is different from that of a CRT monitor -- and it has no
impact of the ease of viewing. Flickering in an LCD monitor relates
to usually undetectable luminance caused by the difference between
positive and negative voltage. On the other hand, CRT flickering
that can irritate the human eye occurs when the on/off action of the
fluorescent object becomes visible. Since the reaction speed of liquid
crystal in an LCD panel is much slower, this troublesome form of
flickering is not present in an LCD display.
Q: Why is an LCD monitor virtually free of Electro Magnetic
Interference?
A: Unlike a CRT, an LCD monitor does not have key parts that
generate Electro Magnetic Interference, especially magnetic fields.
Also, since an LCD display utilizes relatively low power, its power
supply is extremely quiet.
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