QSC Audio KW153, KW152, KW181 Shock to humans, Maintenance servicing instructions in this manual

IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS

WARNING!

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE AMPLIFIER COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of
uninsulated “dangerous” voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of
shock to humans.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operation and
	EN
maintenance (servicing) instructions in this manual.
Install in accordance with QSC Audio Product’s instructions and under the supervision of a licensed professional installation engineer.
WARNING is used alert the user of situations that may cause physical harm to people.
CAUTION is used to alert the user of situations that may cause physical damage to equipment.

1.Read these instructions.

2.Keep these instructions.

3.Heed all warnings and cautions.

4.Follow all instructions.

5.WARNING! To prevent fire or electric shock, do not expose this equipment to rain or moisture. Do not use this loudspeaker near water.

6.Clean only with a dry cloth.

7.CAUTION: Allow a minimum of 6" (152 mm) clearance at cabinet back for convection cooling. Keep anything that might restrict airflow away from the rear of the enclosure (for example draperies, fabric, etc.). Do not block any ventilation openings. This product contains an internal power amplifier that produces heat and requires ventilation.

8.CAUTION: Do not install near any heat sources such as radiators, heat registers, stoves, or other loudspeaker (including amplifiers) that produce heat.

9.WARNING! This loudspeaker must be properly grounded for your safety. The grounding plug has two blades and a grounding prong. The third prong is provided for your safety. If the provided plug does not fit your outlet, consult an electrician for the replacement of the obsolete outlet. Do not cut off the grounding prong or use an adapter that breaks the grounding circuit.

10.CAUTION: Protect the power cord from being walked on or pinched, particularly plugs, convenience receptacles, and the point where they exit from the loudspeaker.

11.WARNING! This product is NOT equipped with an all-pole mains switch. To fully disconnect the loudspeaker from the AC mains, the AC power cord must be removed from the AC power source or the loudspeaker AC INLET (IEC block) on the amplifier module. Ensure either or both ends of the AC power cord are accessible in case of emergency disconnect requirement.

12.CAUTION: Use only attachments/accessories specified by QSC Audio Products, LLC.

13.CAUTION: Use only with hardware, brackets, stands, and components sold with the loudspeaker or by QSC Audio Products, LLC.

14.CAUTION: Unplug the loudspeaker during lightning storms or when unused for long periods of time.

15.CAUTION: Refer all servicing to qualified service personnel. Servicing is required when the loudspeaker has been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the loudspeaker, the loudspeaker has been exposed to rain or moisture, does not operate normally, or has been dropped.

2