HP MR4000N ユーザーズマニュアル

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14 
Nonuse Periods — The power cord of the appliance should be unplugged from the outlet when 
left unused for a long period of time. 
15 
Object and Liquid Entry — Care should be taken so that objects do not fall and liquids are not 
spilled into the enclosure through openings. 
16 
Damage Requiring Service — The appliance should be serviced by qualified service personnel 
when: 
a  The power-supply cord or the plug has been damaged; or  
b  Objects have fallen, or liquid has been spilled into the appliance; or 
c  The appliance has been exposed to rain; or 
d  The appliance does not appear to operate normally or exhibits a marked change in 
 performance; 
or 
e  The appliance has been dropped, or the enclosure damaged. 
17 
Servicing — The user should not attempt to service the appliance beyond that described in the 
operating instructions. All other servicing should be referred to qualified service personnel. 
 
NOTE TO CATV SYSTEM INSTALLER: 
THIS REMINDER IS PROVIDED TO CALL 
THE INSTALLER’S ATTENTION TO 
ARTICLE 820-40 OF THE NEC THAT 
PROVIDES GUIDELINES FOR PROPER 
GROUNDING AND IN PARTICULAR 
SPECIFIES THAT THE CABLE GROUND 
SHALL BE CONNECTED TO THE 
GROUNDING SYSTEM OF THE 
BUILDING, AS CLOSE TO THE POINT 
OF CABLE ENTRY AS PRACTICAL.