IMPORTANT SAFEGUARDS
19.DAMAGE REQUIRING SERVICE
Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following conditions:
a.When the
b.If liquid has been spilled, or objects have fallen into the unit.
c.If the unit has been exposed to rain or water.
d.If the unit does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operat- ing instructions, as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the unit to its normal operation.
e.If the unit has been dropped or the cabinet has
been damaged.
f . When the unit exhibits a distinct change in performance, this indicates a need for service.
20. REPLACEMENT PARTS
21.SAFETY CHECK
Upon completion of any service or repairs to this unit, ask the service technician to perform safety checks to determine that the unit is in proper operating condition.
22.WALL OR CEILING MOUNTING
The product should be mounted to a wall or ceiling only as recommended by the manufacturer.
23.HEAT
The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.
24.NOTE TO CATV SYSTEM INSTALLER
This reminder is provided to call the CATV system installer’s attention to Article
When replacement parts are required, be sure the service technician uses replacement parts specified by the manufacturer or those that have the same characteristics as the original part.
Unauthorized substitutions may result in fire, electric shock or other hazards.
EXAMPLE OF ANTENNA GROUNDING AS PER THE
NATIONAL ELECTRICAL CODE
ANTENNA LEAD IN WIRE
GROUND CLAMP 
ANTENNA DISCHARGE UNIT (NEC SECTION
ELECTRIC SERVICE
EQUIPMENT 
GROUNDING CONDUCTORS (NEC SECTION
GROUND CLAMPS
| POWER SERVICE GROUNDING | |
| ||
S2898A |
| |
| ELECTRODE SYSTEM | |
4 |
| (NEC ART 250, PART H) |
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5A3A901A E | 4 | 3/18/02, 10:06 PM |