Instrukcja obslugi (taka ksiazeczka do czytania) opisuje to w nastepujacy sposob:

"Although the LCD monitor is manufactured with very high precision
technology with over 99.99% effective pixels, there might be a few dead
pixels among the remaining 0.01% or less pixels. These pixels are
normally displayed as red or black. They are not considered a
malfunction and do not effect the images recorded."