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W551 NOTEBOOK USER’S MANUAL
ENGLISH
CE Notice (European Union)
This symbol
indicates this W551 notebook computer complies
with the EMC Directive and the European Union’s Low Voltage Di-
rective. This symbol also indicates that W451U meets the following
technical standards:
• EN 55022 — “Limitations and Methods of Measurement for the
Radio Interferences of Information Technology Equipment.”
• EN 55024 — “Information technology equipment - Immunity char-
acteristics - Limits and methods of measurement.”
• EN 61000-3-2 — “Electromagnetic compatibility (EMC) - Chapter
3: Limits - Section 2: Limits on the harmonic current emissions
(Equipment input current up to and including 16 A per phase).”
• EN 61000-3-3 — “Electromagnetic compatibility (EMC) - Chapter
3: Limits - Section 3: Limits on the voltage fluctuations and flicker
in low-voltage power supply systems for equipment with rate cur-
rent up to and including 16 A.”
• EN 60950 — “Safety of Information Technology Equipment.”
NOTE: EN 55022 emissions requirements provide for two
classificaatios
• Class A governs commercial use
• Class B is governs residential use
BSMI Notice (Taiwan Only)
Most notebook computers are classified by the Bureau of Stan-
dards, Meteorology and Inspection (BSMI) as Class B information
technology equipment (ITE).
The symbol above must be attached to the product indicating
compliance with the BSMI standard.
CCC Notice (China Only)
On Class A systems, the following warning will appear near the
regulation label:
Warning: This is a Class A product. In a domestic environment, this
product may cause radio interference, in which case users may be
required to take adequate measures.
