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121
Safety Handling Components Aid Appendix
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ELECTROMAGNETIC COMPATIBILITY
• When connecting additional components, please observe the
Guidelines on Electromagnetic Compatibility (EMC).
Please note that only shielded cables shorter than
3 meters (9.84 ft) should be used for the LPT, COM, USB, IEEE
1394, audio, video and network interfaces with this notebook.
• Keep the notebook at least one meter (approximately three
feet) away from high frequency and magnetic interference
sources (e.g., televisions, loudspeaker cabinets, mobile tele-
phones, etc.) in order to avoid malfunctions and/or loss of data.
ISO 13406-2 CLASS II
Active matrix LCDs (TFT) with a resolution of 1024 x 768 pixel (XGA),
which are in turn composed of three sub-pixels each (red, green,
blue), contain about 2.4 million addressable transistors. Because of
this very high number of transistors and their extremely complex
production process occasionally defective or incorrectly addressed
pixels or sub-pixels may occur.
There have been several attempts in the past to define the accept-
able number of defective pixels. But this can be difficult and varies
widely between different manufacturers.
We, therefore, adhere to the clear and strict requirements of ISO
13406-2, class II, for the warranty handling of all TFT display prod-
ucts. These requirements are summarized below.
Within ISO-standard 13406-2 the general requirements regarding
pixel defects are defined. Pixel defects are classified into three failure
types and four failure classes. Each individual pixel is made up of
three sub-pixels in the primary colours (red, green, blue).
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