4

Fig. 1

EXAMPLE OF ANTENNA GROUNDING AS

 

PER NATIONAL ELECTRICAL CODE

 

 

ANTENNA

 

 

LEAD IN

 

GROUND

WIRE

 

ANTENNA DISCHARGE

 

CLAMP

 

 

UNIT (NEC SECTION 810-20)

ELECTRIC

 

GROUNDING

SERVICE

 

CONDUCTORS

EQUIPMENT

(NEC SECTION 810-21)

 

 

GROUND CLAMPS

 

 

POWER SERVICE GROUNDING

NEC - NATIONAL

ELECTRODE SYSTEM

ELECTRICAL CODE

(NEC ART 250. PART H)

14Lightning — 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.

15Overloading — Do not overload wall outlets and extension cords as this can result in a risk of fire or electric shock.

16Objects 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.

17Servicing — 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.

18Damage 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.

19Replacement 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.

20Safety 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.

When replacement of the power supply is required, please return it to the responsible nearest Canon Service Center and please replace it with the same type number CA-570.

The Adapter can be used with a power supply between 100 and 240 V AC. For areas where 120 V AC power is not used, you will need a special plug adapter. Contact your nearest Canon Service Center for further information.

This Class B digital apparatus complies with Canadian ICES-003.

Page 4
Image 4
Canon DC50, DC220, DC230 instruction manual Example of Antenna Grounding AS