unDX2IO+User ManualAttero Tech by QSC 2019 Page 1 614-00036 Rev 01_dIMPORTANT SAFETY INSTRUCTIONSThe symbols below are internationally accepted symbols that warn of potential hazards with electrical products.This symbol, wherever it appears, alerts you to the presence of un-insulated dangerous voltage inside theenclosure -- voltage that may be sufficient to constitute a risk of shock.This symbol, wherever it appears, alerts you to important operating and maintenance instructions in theaccompanying literature. Please read the manual.1. Read these instructions.2. Keep these instructions.3. Heed all warnings.4. Follow all instructions.5. Do not use this apparatus near water.6. Clean only with a dry cloth.7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (includingamplifiers) that produce heat.9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades withone wider than the other. A grounding type plug has two blades and third grounding prong. The wider blade orthe third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electricianfor replacement of the obsolete outlet.10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and thepoint where they exit from the apparatus.11. Only use attachments/accessories specified by Attero Tech by QSC12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.13. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.14. Unplug this apparatus during lightning storms or when unused for long periods of time.15. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged inany way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into theapparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.16. This apparatus shall be connected to a mains socket outlet with a protective earthing connection.17. When permanently connected, on all-pole mains switch with a contact separation of at least 3mm in each poleshall be incorporated in the electrical installation of the building.18. If rack mounting, provide adequate ventilation. Equipment may be located above or below this apparatus butsome equipment (like large power amplifiers) may cause an unacceptable amount of hum or may generate toomuch heat and degrade the performance of this apparatus,TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.