Appendix E. Notices

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.

„Note to CATV system installer

a

b

g

c

f

e d

aThe manual battery latch is used to keep the battery pack secured in place.

bAntenna lead-in wire

cAntenna discharge unit (NEC Section 810-20)

dGrounding conductors (NEC Section 810-21)

ePower service grounding electrode system (NEC Article 250, Part H)

fGround clamps

gElectronic service equipment

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Lenovo 57323748, B550 manual TV tuner information

B550, 57323748 specifications

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