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HP Compaq LA22f user manual download
HP Compaq LA22f
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HP Compaq LA1905wg
HP Compaq LA2205wg
HP Compaq LA22f
HP Compaq LA2405wg
HP Compaq LA2405x
HP Passport 1912nm 18.5-inch Internet Monitor
HP Value 18-inch
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Page 27 of 27
LCD Monitor Quality and Pixel Policy
The TFT monitor uses high-precision technology, manufactured according to HP standards, to
guarantee trouble-free performance. Nevertheless, the display may have cosmetic imperfections that
appear as small bright or dark spots. This is common to all LCD displays used in products supplied by
all vendors and is not specific to the HP LCD. These imperfections are caused by one or more
defective pixels or sub-pixels.
A pixel consists of one red, one green, and one blue sub-pixel.
A defective whole pixel is always turned on (a bright spot on a dark background), or it is always
off (a dark spot on a bright background). The first is the more visible of the two.
A defective sub-pixel (dot defect) is less visible than a defective whole pixel and is small and
only visible on a specific background.
To locate defective pixels, the monitor should be viewed under normal operating conditions, in normal
operating mode at a supported resolution and refresh rate, from a distance of approximately 50 cm
HP expects that, over time, the industry will continue to improve its ability to produce LCDs with fewer
cosmetic imperfections and HP will adjust guidelines as improvements are made.
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