User manual B-52 ACT18

[. . . ] Use only with a cart, stand, bracket or table specified by B-52 Pro-Audio or sold with the ACT-18. When a cart is used, use caution when moving the cart / ACT-18 combination to avoid injury from-tip over. Unplug the ACT-18 during lightning storms or when un-used for long periods of time. Refer all servicing to qualified personnel. [. . . ] Hearing-protection devices (ear-plugs) are recommended. Caution should be taken to avoid extended exposure to SPL in excess of 90 dBA. Amplifier Module Precautions Do not attempt to service the ACT-18 by yourself. Refer all servicing to a B-52 Pro-Audio Authorized dealer. Service is required when the ACT-18 has had liquid spilled on or inside the subwoofer, objects have fallen onto the speaker or it has been damaged in any way, the speaker has been exposed to rain or moisture, does not operate normally or has been dropped. Keep your ACT-18 amplifier away from sources of heat such as a radiator or intense sunlight. Do not cover your ACT-18 amplifier with material that may retain heat, such as a blanket or curtain. Be certain that the vents on the panel of the amplifier are clear of all obstructions during operation. WARNING ­ Shock Hazard: To reduce the risk of fire or electrical shock, do not expose this unit to rain or moisture. Do not operate your ACT-18(S) near a pool or other standing water. Do not bypass or defeat the grounding or polarization means used on the ACT-18 amplifier. Make sure all blades on the polarized power plug are fully inserted into the power source. Ensure the power cord is not stretched, pinched or otherwise abused. Ensure the power cord is routed to avoid foot traffic. Your ACT-18 amplifier should be cleaned only with a dry cloth. 3 GETTING TO KNOW YOUR ACT-18 ACTIVE 18" SUBWOOFER PANEL CONTROLS 11) Level Control: Sets the volume of the subwoofer 12) Phase Switch: Sets the polarity of the ACT-18. 13) Power Indicator: The Power indicator lights when the ACT-18 amplifier has been turned on and has power. 14) Protection: Red LED turns on when distortion is audible in the amplifier output. This indicates that you should turn the amplifier down. 15) Right & Left Inputs: These inputs are summed and sent to amplifier's Low Pass filter (120 Hz and below). 16) Right & Left Full-Range Outputs: Send stereo full-range signal allowing daisy chaining of additional subwoofers. You do not need to y-cable out of your mixer or audio device to get an additional fullrange signal. 17) Right & Left High-Pass Outputs: Send stereo high-pass signal (120 Hz and above) directly to active, full-range speakers or through a rack mount amplifier to passive speakers. 18) External Speaker On/Off Switch: Turns Speakon NL-4 connector (and external subwoofer) on and off. When only using the ACT-18, turn this switch off. [. . . ] The warranty does not cover service or parts to repair damage caused by neglect, abuse, normal wear & tear and cosmetic appearance of the cabinetry not directly attributed to defects in material or workmanship, or service & repair, modifications to the cabinet which has not be authorized or approved by E. T. I. If this product is defective in materials or workmanship as warranted above, your sole remedy shall be repair or replacement as provided above. See provided Limited Warranty card for additional terms and conditions. INCIDENTAL OR CONSEQUENTIAL DAMAGE: In no event E. T. I. [. . . ]