Canon elura20 - Manual (Page 4)

Introduction
4
E
14. Lightning — For added protection of this
product 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 product
due to lightning and power-line surges.
15. Overloading — Do not overload wall
outlets and extension cords as this can
result in a risk of fire or electric shock.
16. Objects and Liquid Entry — Never push
objects of any kind into this product
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 product.
17. Servicing — Do not attempt to service
this product yourself as opening or
removing covers may expose you to
dangerous voltage or other hazards.
Refer all servicing to qualified service
personnel.
18. Damage Requiring Service —
Disconnect this product from the wall
outlet and all power sources including
battery, 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 product.
c. If the product has been exposed to
rain or water.
d. If the product does not operate
normally even if you follow the
operating instructions. Adjust only
those controls that are covered 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 product to its
normal operation.
e. If the product has been dropped or the
cabinet has been damaged.
f. When the product 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 product, ask the
service technician to perform safety
checks to determine that the product is
in safe operating order.
EXAMPLE OF ANTENNA GROUNDING AS
PER NATIONAL ELECTRICAL CODE
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)
NEC - NATIONAL ELECTRICAL CODE
ELECTRIC
SERVICE
EQUIPMENT
GROUND
CLAMP
Fig. 1