Safety instructions
2.2 Notes on usage
SIMATIC IPC677D
Operating Instructions, 09/2014, A5E32995420-AC
23
Burn-in effect and backlighting
A permanent picture with bright screen objects leads to a burn-in effect. The longer the
same screen contents are displayed, the longer it will take for the burn-in effect to
disappear. Screen savers reduce the risk of burn-in. The brightness of the backlighting
deteriorates over the course of the screen's life cycle.
Use the "BbcScreenSaver" to extend the life of the screen and the backlighting.
Defective pixels in the display
At present, the manufacturing process of modern displays does not guarantee that all pixels
of the display will be perfect. A small number of defective pixels in the display is therefore
unavoidable. This does not present a functional problem as long as the defective pixels are
not bunched in one location.
Additional information is available in the section "General technical specifications
(Page 121)".
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