User Manual

6
IMPORTANT SAFETY PRECAUTIONS (Continued)
■ If an outside antenna is connected to the television equipment, be sure the antenna system is grounded so as to
provide some protection against voltage surges and built-up static charges. Section 810 of the National Electrical
Code provides information with respect to proper grounding of the mast and supporting structure, grounding of the
lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna-discharge unit, connection
to grounding electrodes, and requirements for the grounding electrode.
ANTENNA
LEAD IN
WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
ELECTRIC
SERVICE
EQUIPMENT
NEC—NATIONAL ELECTRICAL CODE
GROUND
CLAMP
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
■ Do not use in the direct vicinity of electronic appliances that use high-precision control signals or weak signals.
The use of this unit may have adverse effects including incorrect operation of electronic appliances posing the risk of
accidents.
Examples of electronic appliances for which you should exercise caution
Hearing aids, pace-makers, other medical electric appliances, fire alarms, automatic doors, other automatically
controlled devices, etc.
■ Do not use in places where its use is forbidden, including inside aircraft and in hospitals.
The use of this unit may have adverse effects on electronic appliances and electric appliances for medical use, posing the
risk of accidents.
Observe the instructions of medical institutions.
■ Although this unit is equipped with an anti-bugging scramble function, be aware of interception.
As this unit uses radio waves, keep in mind a third party may intentionally try to intercept the signals the unit emits.
Do not use this unit to dispatch important information that contains secrets or for information that may endanger human
life.
* Interception constitutes the intentional or accidental use of the contents of wireless communication by third parties.
■ Concerning damages
Please be aware Sharp will not accept any claims for damage by you or a third party due to incorrect operation of this
unit, any troubles during use, or other problems, or any damages arising out of the use of this unit, except for those cases
for which Sharp is legally held liable for compensation.
■ Power Lines – An outside antenna system should not be located in the vicinity of
overhead power lines or other electric light or power circuits, or where it can fall
into such power lines or circuits. When installing an outside antenna system,
extreme care should be taken to keep from touching such power lines or circuits
as contact with them might be fatal.
■ Lighting – For added protection for this television equipment during a lightning
storm, or when it is left unattended and unused for long period of time, unplug it
from the wall outlet and disconnect the antenna. This will prevent damage to the
equipment due to lightning and power-line surges.