Lenovo IdeaPad Y430 - Manual (Page 130)

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Appendix D. Notices
If you are uncertain of the policy that applies on the use of wireless devices
in a specific organization (e.g., airport or hospital), you are encouraged to
ask for authorization to use Wireless LAN PCI Express Mini Card or
Bluetooth Daughter Card prior to turning on the computer.
TV tuner information - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
„ Products with television tuner options installed
The notice below applies to products containing television (TV) tuner
devices that connect to external antennas or to cable/CATV systems, or
both, and that are intended to be installed in North America. Users and
installers in other countries should follow local codes and ordinances when
installing appliances that connect to external antennas and cable/CATV
systems. If local codes are not applicable, it is recommended that users/
installers follow guidelines similar to those that follow.
The TV tuner should connect to TNV-1 circuit only.
When install the coaxial cable to the TV tuner should make sure its metal
shield is reliable connected to protective earthing system of the building.
„ Note to CATV system installer
This reminder is provided to call the CATV system installer's attention to
Article 820-40 of the National Electrical Code (NEC) that provides
guidelines for proper grounding and, in particular, specifies that the cable
ground shall be connected to the grounding system of the building, as close
as possible to the point of cable entry as practical.