Panasonic SC-AK90 Operating Instructions Manual page 4

Before using this unit please read these operating instructions cea_
fully. Take special care to follow the warnings indicated on the unit
itself as well as the safety suggestions listed below.
Afterwards keep them handy for future reference.
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1. Power Source--The unit should be connected to power supply
only of the type described in the operating instructions or as
marked on the unit.
2. Polarizatin,a--lf the unit is equipped with a polarized AC power
plug (a plug having one blade wider than the other), that plug w0J
fit into the AC outlet only one way. This is a safety feature. If you
are unable to insert the plug fully into the outlet, try reversing the
plug. If the plug should still fail to fit, contact your elec_ricizn to
replace your obsolete outlet. Do not defeat the safety purpose of
the polarized plug.
3. Power Cord Protection--AC power supply cords should be
routed so that they are not likely to be walked on or pinched by
items placed upon or against them. Never take hold of the plug or
cord if your hand is wet, and always grasp the plug body when
connecting or disconnecting it.
4. Nonuse Perlods--When the unit is net used, turn the power off.
When left unused for a long period of time, the unit should be
unplugged from the household AC outlet.
[W_fl_ rAql_
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1.
Environment ]
Outdoor Antenna Groundlng--If an outside antenna is con-
nected to the receiver, be sure the antenna system is grounded so
as to provide some protection against voltage surges and built-up
static charges. Sec_on 810 of the National Electrical Code,
ANSI/NFPA No. 70-1990, ivrovides information with respect to
proper grounding of the mast and supporting structure, ground-
ing of the lead-in wire to an antenna discharge unit, size of
grounding conductors, location of antenna-discharge unit, con-
nection to grounding electrode_, and requirements for the
grounding electrode. See figure below.
_i ANTENNA
LEAD IN
GROUND WIRE
CLAMp
ANTENNA
DISC_IARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC
SECTION 810-21 )
CLAMPS
\
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NECART250, P ART H)
NEC--NAT]ONAL ELECTRICAL CODE
2. Water and Moistuze--Do not use this unit near water-- for exam-
ple, near a bathtub, washbowl, swimming pool, or the like.
Damp basementsshouldalso be avoided.
3.
4.
Heat--The unit should be situated away from heat sources such
as radiators and the like.
It also should not be placed in tempera_wes less than 5_C (41°P) or
greater than 35°C (95_b').
Condensation--Moisture may form on the lens in the following
conditions...
omunediately after a heater has been turned on.
oina steamy orveryhumid room.
ewhen theunitis suddenlymoved from a coldenvironmenttoa
waFff[ one.
If moisture formsinside this unit, it may notoperate properly. T o
correct t his problem,turnon thepower and waitabout one hour
for them_isture toevaporate.
I Placement
[
1. Ventllatlo_a--The unit should be situated so that its location or
position does not interfere with its proper ve_ttilatlon. Allow
I0 cm (49 clem-ance from the rear of the unit.
2. Foreigu Material--Care should be taken so that objects do net fall
into and liquids are not spilled into the unit. Do not subject this
unit to excessive smoke, dust, mechanical vibration, or shock.
3. Maguetimn--The unit should be situated away from equipment
or devices that generate strong magnetic fields.
4. StackingmDo not place heavy objects, other than system compo-
nents, on top of the unit.
5. Surface--Place
the unit on a fiat, level surface.
6. Carts and Stands--The unit should be used only with a cart or
stand that is recommended by the manufacturer.
The unitand cart combinationshould Be moved
with care. Quick stops, excessive force, and un-
even surfaces m ay causetheunitand cart combi-
nationto overturn.
7. Wall ozCeiling Mounting--The unit shouldnotbemounted toa
wallorceiling, unless specified i nthis operating i nstructions.
(See page 39 for details.)
Clean the calumet, paneland controls w ith a soft cloth lightly m(Ytst-
ened withmild detergent s olution.
Do notuseany typeofabrasive p ad,scouring p owder orsolvent such
asalcohol orbenzine.
1. Damage Requiring Service--The unit should be serviced by
qualified service personnel when:
(a) The AC power supply cord or the plug has been damaged; or
(b) Objects have fallen or liquid has been spilled into the unit; or
(c) The unit has been exposed to rain; or
(d) The unit does not appear to operate normally or exhibits a
marked change in performance; or
(e) The unit has been dropped, or the enclosure damaged.
2. Servicing--The user should not attempt to service the unit be-
yond that described in the operating insh-ucfions. All other servic-
ing should be ref_ to an authorized service personnel.
(Only for U.S.A.)
Call 1-800-545-2672 for the address of an authorized factory
servicenter.