Canon VC-C3 Instruction Manual page 6

Safe Use of Equipment
grounding conductors, location of antenna
discharge unit, connection to grounding
electrodes, and requirements for the
grounding electrode. See figure 1.
EXAMPLE OF ANTENNA GROUNDING
AS PER NATIONAL ELECTRICAL CODE
Fig-1
ELECTRIC
SERVICE
EQUIPMENT
NEC — NATIONAL ELECTRIC CODE
13. Lightning - For added protection of this
equipment during a lightning storm, or
when it is left unattended and unused for
long periods of time, disconnect it from the
wall outlet and disconnect the antenna.
This will prevent damage to the equipment
due to lightning and power-line surges.
14. 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.
15. Overloading - Do not overload wall outlets
and extension cords as this can result in a
risk of fire or electric shock.
16. Object and Liquid Entry - Never push
objects of any kind into this equipment
through openings as they may touch
dangerous voltage points or short out
parts that could result in a fire or electric
shock.Be careful not to spill liquid of any
kind onto the equipment.
6
ANTENNA
LEAD IN
WIRE
ANTENNA DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUNDING CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
17. Servicing - Do not attempt to service this
equipment yourself as opening or
removing covers may expose you to
dangerous voltage or other hazards. Refer
all servicing to qualified personnel.
18. Damage Requiring Service - Disconnect
this equipment from the wall outlet and all
power sources including batter y, and refer
servicing to qualified service personnel
under the following conditions.
a. When the power-supply cord or plug is
damaged.
b. If any liquid has been spilled onto, or
objects have fallen into, the equipment.
c. If the equipment has been exposed to
rain or water.
d. If the equipment does not operate
normally even if you follow the
operating instructions. Adjust only
those controls that are co vered by the
operation instructions. Improper
adjustment of other controls may result
in damage and will often require
extensive work by a qualified
technician to restore the equipment to
its normal operation.
e. If the equipment has been dropped or
the cabinet has been damaged.
f. When the equipment exhibits a distinct
change in performance. This indicates
a need for service.
19. Replacement Parts - When replacement
parts are required, be sure the service
technician has used replacement parts
that are specified by Canon or that have
the same characteristics as the original
part.Unauthorized substitutions may result
in fire, electric shock or other hazards.
20. Safety Check - Upon completion of any
service or repairs to this equipment, ask
the service technician to perform safety
checks to determine that the equipment is
in safe operating order.