Hitachi VT-F350A Instruction Manual page 5

12
Outdoor Antenna Grounding--If an outside
antenna or cable system is connected to the video
product, be sure the antenna or cable system is .ground-
ed so as to provide some protection against voltage sur-
ges and built-up static charges. Section 810 ot the
National Electrical Code, ANSIINFPA No. 70-1984, pro-
vides information with respect to proper grounding of the
masl and supporting structure, grounding of the lead-in
wire to an antenna dis(;harge unit, size of grounding con-
ductors, location of antenna-discharge unit, connection
to grounding electrodes, and requirements for the
grounding eleclrode See exampte'below.
EXAMPLE OF ANTENNA GROUNDING
ANTENNA
LEAD IN
WIRE
GROUND CLAMP
ANTENNA
DISCHARGE UN_
(NEC SECTION Bt_20_
ELECTRIC SERVICE
EQUIPMENT
CONOUCTORS
J'_(NEC SECTION giG21)
" GROUND CLAMPS
POWER SERV_E GROUNDPNG
ELECTRO_.SYSTEM
(NEC ART 250, PART
NEC
- NATIONAL ELECTRICAL CODE
13
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 or approaching such power
tines or circuits as contact with them might be fatal. In-
stalling an outdoor antenna can be hazardous and
should be left to a professional antenna installer.
USE
14
Cleaning--Unplug this video product from the
wall outlet before cleaning. Do not use liquid
cleaners or aerosol cleaners. Use a damp cloth for
cleaning.
15
Object and Liquid Entry--Never push objects of
any kind into this video product through openings
as they may touch
dangerous voltage
points or short-out
parts that could
result in a tire or
electric shock.
Never spill liquid of
any k_nd on the
video product.
16
Lightning--For added protection for this video
product 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.
SERVICE
17
Servicing--Do not attempt to service this video
product yourself as opening or removing covers
may expose you to dangerous voltage or other hazards.
Refer all servicing to qualified service personnel
Conditions Requiring Service--Unplug this
1 8 video product from the wall outlet and refer servic-
ing to qualified service personnel under the following
conditions.
a. When the power-supply cord or plug is damaged.
b. If liquid has been spilled, or objects have fallen into
the video product.
c. If the video product has been exposed to rain or
water.
d. If (he video product does not operate normally by fo!-
lowing the operating instructions. Adjust only those
controls that' are covered by the operating instruc-
tions. Improper adjustment of other controls may
result in damage and will often require extensive
work by • qualified technician to restore the video
product to its normal operation.
e. If the video product has been dropped or the cabinet
has been damaged.
f. When the video product exhibits a distinct change in
performance--this indicates a need for service.
19 Replacement Pert,,--Whec replacement parts
are required, have the service technician verify
that the replacements he uses have the same safety
characteristics as the original pads. Use of replacements
specified by the video product manufacturer can prevent
fire, electric shock or other hazards.
20
Safety Check--Upon completion of any service
or repairs to this video product, ask the service
technician to perform safety checks recommended by the
manufacturer to determine that the video product is in
safe operating condition.
E5