ETI Sound Systems, INC US-1200 Manuel D’Utilisation

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B-52 US Series Professional Power Amplifiers  - Instruction Manual
THE BEAUTY OF POWER
US SERIES AMPLIFIERS
1. REAd INSTRuCTIONS – All the safety and 
operating instructions should be read before this 
product is operated.
2. RETAIN INSTRuCTIONS – The safety and 
operating instructions should be retained for future 
reference.
3. HEEd WARNINgS – All warnings on the  
amplifier and in the operating instructions should 
be adhered to.
4. FOLLOW INSTRuCTIONS – All operating and 
use instructions should be followed.
5. WATER ANd MOISTuRE – The amplifier should 
not be used near water - for example, a bathtub, 
washbowl, kitchen sink, laundry tub, wet basement, or 
near a swimming pool, and the like.
6. CARTS ANd STANdS – The amplifier should 
be moved with a sturdy cart. An amplifier and cart 
combination should be moved 
with care. Quick stops, excessive 
force, and uneven surfaces may 
cause the amplifier and cart 
combination to overturn. 
 
7. INSTALLATION – Install in accordance with the 
manufacturer’s instructions and local codes.
8. HEAT – The amplifier should be situated away  
from heat sources such as radiators, heat registers, 
stoves, or other appliances that produce heat.
9. POWER SOuRCES – This product should be 
operated only from the type of power source indicated 
on the rating label. If you are not sure of the type 
of power supply to your home, consult your product 
dealer or local power company.
10. gROuNdINg OR POLARIzATION – This 
product may be equipped with a polarized alternation-
current line plug (a plug having one blade wider than 
the other). This plug will fit into the power outlet only 
one way. This is a safety feature. If you are unable to 
insert the plug fully into the outlet, try reversing the 
plug. If the plug should still fail to fit, contact your 
electrician to replace your obsolete outlet. Do not 
defeat the safety purpose of the polarized plug.
11. POWER CORd PROTECTION – Power-supply 
cords should be routed so that they are not likely to be 
walked on or pinched by items placed upon or against 
them, paying particular attention to the cord in cor-
respondence of plugs, convenience receptacles, and the 
point where they exit from the amplifier.
12. CLEANINg – The amplifier should be cleaned 
only as recommended by the manufacturer. Clean by 
wiping with a cloth slightly damp with water. Avoid 
getting water inside the amplifier.
13. NON-uSE PERIOdS – The power cord of the 
amplifier should be unplugged from the outlet when 
left unused for a long period of time.
14. OBjECT ANd LIquId ENTRY – Care should 
be taken so that objects do not fall and liquids are not 
spilled into the amplifier through openings.
15. dAMAgE REquIRINg SERvICE – The  
amplifier 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 amplifier; or
 
C. The amplifier has been exposed to rain; or 
 
d. The amplifier does not appear to operate  
  normally or exhibits a marked change in 
  performance; or
 
E. The amplifier has been dropped, or the chassis  
  damaged.
16. SERvICINg – The user should not attempt any 
service to the amplifier beyond that described in the 
operating instructions. All other servicing should be 
referred to qualified service personnel.
17. vENTILATION – Slots and openings in the 
amplifier are provided for ventilation and to ensure 
reliable operation of the product and to protect it from 
overheating, and these openings must not be blocked 
or covered. The openings should never be blocked 
by placing the product on a bed, sofa, rug, or other 
similar surface. This product should not be placed in a 
built-in installation such as a bookcase or rack unless 
proper ventilation as per the manufacturer’s instruc-
tions have been adhered to.
18. gROuNdINg – Always maintain reliable 
grounding of the rack and all equipment installed in 
the rack.
19. POWER – The power switch in your amplifier is 
not all-pole AC switch. You must physically disconnect 
AC power cord from either amplifier or AC outlet to 
fully disconnect it from AC mains. Make sure you have 
access to the power cord if you need to disconnect it in 
case of emergency.
20. LIgHTNINg – For added protection for this 
product during a lightning storm, or when it is left 
unattended and unused for long periods of time unplug 
it from the wall outlet. This will prevent damage to the 
product due to lightning and power-line surges.
21. REPLACEMENT PARTS – When replacement 
parts are required, be sure the service technician has 
used replacement parts specified by the manufacturer 
or have the same characteristics as the original part. 
Unauthorized substitutions may result in fire, electric 
shock, or other hazards.
22. 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 proper operating condition.
IMPORTANT SAFETY PRECAuTIONS
CAUTION: To reduce the risk of electric shock, do not 
remove any cover. No user-serviceable parts inside. Refer 
servicing to qualified service personnel only.
The lightning flash with arrowhead symbol within the equilateral triangle is intended to alert the use to the 
presence of un-insulated “dangerous voltage” within the product’s enclosure that may be of sufficient  
magnitude to constitute a risk of electric shock.
The exclamation point within the equilateral triangle is intended to alert the user to the presence of important 
operation and maintenance (servicing) instructions in the literature accompanying this appliance.
To prevent electric shock, do not use a polarized plug with an extension cord, receptacle or other outlet unless the blades 
can be fully inserted to prevent blade exposure.
CAUTION
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