Lenovo 147500112 manual „ Example of antenna grounding

Models: 147500112

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Safety and General Information Guide V1.0_en.book Page 31 Friday, March 4, 2011 4:55 PM

Appendix A. Notices

„Example of antenna grounding

a

b

g

c

f

e d

aGround clamp

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

The following notice applies to all countries and regions:

￿Danger:

Outdoor antenna grounding

If an outside antenna or cable system is connected to the equipment, be sure the antenna or cable system is grounded as to provide some protection against voltage surges and built-up static charges.

Lightning

For added protection for this equipment during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the video product due to lightning and power line surges.

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Lenovo 147500112 manual „ Example of antenna grounding