HP Vs15 HP VF51 Flat Panel Display - (English) User's Guide - Page 27

LCD Monitor Quality and Pixel Policy for, vf51 Monitor

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LCD Monitor Quality and Pixel Policy for vf51 Monitor vf51 15-inch monitor The HP vf51 TFT monitor uses high-precision technology, manufactured according to HP standards, to guarantee trouble-free performance. Nevertheless, the monitor may have cosmetic imperfections that appear as small bright or dark spots. This is common to all LCD monitors used in products supplied by all vendors and is not specific to the HP P4824A LCD. One or more defective pixels or sub-pixels cause these imperfections. • A pixel consists of one red, one green, and one blue sub-pixel. • A defective whole pixel is always 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. The HP P4824A monitor does not have more than: • 10 total dot defects. • 10 defective full pixels. • 10 defective red sub-pixels. • 4 defective green sub-pixels (green is most visible). • 10 defective blue sub-pixels. • No more than two adjacent (less than 2.5 mm edge-to-edge) and defective pixels. • No more than two pairs of two adjacent defective pixels. 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 (16 in.). 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. 23 MAIN PAGE

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LCD Monitor Quality and Pixel Policy for
vf51 Monitor
vf51 15-inch monitor
The HP vf51 TFT monitor uses high-precision technology, manufactured according to HP
standards, to guarantee trouble-free performance. Nevertheless, the monitor may have cosmetic
imperfections that appear as small bright or dark spots. This is common to all LCD monitors used
in products supplied by all vendors and is not specific to the HP P4824A LCD. One or more
defective pixels or sub-pixels cause these imperfections.
• A pixel consists of one red, one green, and one blue sub-pixel.
• A defective whole pixel is always 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.
The HP P4824A monitor does not have more than:
• 10 total dot defects.
• 10 defective full pixels.
• 10 defective red sub-pixels.
• 4 defective green sub-pixels (green is most visible).
• 10 defective blue sub-pixels.
• No more than two adjacent (less than 2.5 mm edge-to-edge) and defective pixels.
• No more than two pairs of two adjacent defective pixels.
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 (16 in.).
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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