Lenovo IdeaPad U510 Notebook - Manual (Page 20)

20
Product specific Notices
This product has been tested and found to comply with the limits for Class B
Information Technology Equipment according to European Standard EN
55022. The limits for Class B equipment were derived for typical residential
environments to provide reasonable protection against interference with
licensed communication devices.
Properly shielded and grounded cables and connectors must be used in order
to reduce the potential for causing interference to radio and TV
communications and to other electrical or electronic equipment. Such cables
and connectors are available from Lenovo authorized dealers. Lenovo cannot
accept responsibility for any interference caused by using other than
recommended cables and connectors.