6
IMPORTANT SAFEGUARDS
DVR-5070 (EN)
13.Lightning � For added protection for this appliance during18.Power lines � An outside antenna system should not be
a lightning storm, or when it is left unattended and unusedlocated in the vicinity of overhead power lines or other
for long periods of time, unplug it from the wall outlet andelectric light or power circuits, or where it can fall into such
disconnect the antenna or cable system. This will preventpower lines or circuits. When installing an outside antenna
damage to the appliance due to lightning and power-linesystem, extreme care should be taken to keep from
surges.touching such power lines or circuits as contact with them
might be fatal.
14.Abnormal smell � If an abnormal smell or smoke is
detected, immediately turn the power OFF and unplug19.AC outlets � Do not connect other audio equipment
the appliance from the wall outlet. Contact your dealer orwith a power consumption larger than that specified
nearest service center.to the AC outlet on the rear panel. Never connect
POWER OFF!
other electrical appliances, such as an iron or toaster,
to it to prevent fire or electric shock.
15.Damage requiring service � The appliance should
be serviced by qualified service personnel when:
A. The power-supply cord or the plug has been
Preparations
damaged.
B. Objects have fallen, or liquid has been spilled into
the appliance.20. Overloading � Do not overload wall outlets, extension
C. The appliance has been exposed to rain or water.cords, or integral convenience receptacles as this can
D. The appliance does not appear to operate normallyresult in a risk of fire or electric shock.
by following the instruction manual. Adjust only those
controls that are covered by the instruction manual as an21. Attachment � Do not use attachments not recommended
improper adjustment of other controls may result in damageby the appliance manufacturer as they may cause hazards.
and will often require extensive work by a qualified
technician to restore the appliance to its normal operation.22. Replacement parts � When replacement parts are required,
E. The appliance has been dropped, or the enclosurebe sure the service technician has used replacement parts
damaged.specified by the manufacturer or have the same
F. The appliance exhibits a marked change in performance.characteristics as the original parts. Unauthorized
substitutions may result in fire, electric shock, or other
16.Servicing � The user should not attempt to servicehazards.
the appliance beyond that described in the instruction
manual. All other servicing should be referred to23. Safety check � Upon completion of any service or repairs
qualified service personnel.to this appliance, ask the service technician to perform
safety checks to determine that the appliance is in proper
17.Outdoor antenna grounding � If an outside antennaoperating condition.
is connected to the appliance, be sure the antenna
system is grounded so as to provide some protection
against voltage surges and built up static charges.
Article 810 of the National Electrical Code ANSI/
NFPA 70, 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. See
Figure.
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL
ELECTRICAL CODE
ANTENNA
LEAD IN WIRE
GROUND
CLAMPS
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
ELECTRIC
SERVICE
EQUIPMENTGROUNDING CONDUCTORS
Notes:
(NEC SECTION 810-21)
1. Item 3 is not required except for grounded or polarized equipment.
GROUND CLAMP
POWER SERVICE GROUNDING2. Item 17 and 18 are not required except for units provided with
ELECTRODE SYSTEMantenna terminals.
(NEC ART 250, PART H)
3. Item 17 complies with UL in the U.S.A.
NEC � NATIONAL ELECTRICAL CODE |
ACEC
KENWOOD
