• Keep these instructions. • Heed all warnings. • Follow all instructions. • Unplug the speakers from the computer and from the electrical outlet before cleaning them with a dry cloth. • Install in accordance with the manufacturer’s instructions. • Place the speakers in a stable location so they will not fall causing damage to the speakers or bodily harm. • Do not use the speakers near water, and do not immerse them in any liquid or pour any liquid on them. • Do not block the openings in the speaker cabinets, never push objects into speaker vents or slots because of fire or electric shock hazards, and provide sufficient space around the speakers for proper ventilation. • Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. • Do not defeat the safety purpose of the polarized plug. A polarized plug has two blades with one wider than the other. The wide blade is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. • Operate the speakers only from the low level English audio line out jack of the computer or of an audio device. • Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. • Only use attachments/accessories specified by the manufacturer. • For added protection during lightning storms, unplug the speakers from the electrical outlet and turn off the computer. • Unplug this apparatus when unused for long periods of time. • Servicing is required when the apparatus has been damaged in any way, such as when the power-supply cord or plug has been damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. • Refer all servicing to qualified service personnel. • The speakers should be disconnected from the mains by placing the subwoofer Master Power switch in the off position and unplugging the power cord of the speakers from the AC mains receptacle. WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. Thank you for purchasing Alesis’’s ProActive 5.1 multimedia speaker system. We’ve worked hard to meet the rigid standards of THX® and have included the latest Dolby® Digital and DTS® technologies in order to give you a superior digital audio experience for your PC, gaming, or home theater needs. Dolby® Digital is the universal standard for 5.1 digital sound. DVDs, PlayStation®2, Xbox™, digital cable, satellite TV, and HDTV all use Dolby® Digital. The ProActive 5.1 includes a hardware Dolby® Digital decoder for full, rich 5.1 digital sound. THX® certification is the “seal of approval” for speaker quality. It is an absolute assurance that these speakers accurately recreate the full sonic experience of a movie theater. The ProActive 5.1 is one of a select few speaker systems that meets the rigid standards for unparalleled THX® quality sound. DTS® Digital Surround delivers 5.1 digital sound that rivals master soundtracks. DTS® soundtracks are included in many DVD videos, DVD Audio discs and PlayStation®2 games. The ProActive 5.1 includes a hardware DTS® decoder for master-quality sound. English Please take a few minutes to read this manual before setting up your ProActive 5.1 system. It will help you optimize your listening experience. For your safety, set up the entire system before plug ging it into a power source. Important: 1. Subwoofer 2. Satellite speakers 3. Center channel speaker 4. Digital SoundTouch™ Control Center 5. Wireless remote control 6. 6-channel direct cable 1 2 3 4 6 5 English Setting up your ProActive 5.1system: Satellite speakers Before attaching the cables, position two satellite speakers on either side of your computer monitor or television about the same distance from each other as from you. Angle them to face you. Place the rear speakers behind you and about the same distance apart as the front speakers. You may want to mount these speakers on the wall. If so, simply loosen the screws on the stands and rotate the stands 180°. Mount the speakers using appropriate wall anchors through the holes in the stands. For a pro-audio look, remove the cloth grilles by pulling them straight off. Removing the grilles will not affect sound quality. Center channel Depending on your configuration, place your center channel speaker on your desk (angled up), on top of your monitor or television (angled down), or wall-mounted (angled down). To angle the speaker down for placement on top of your monitor or television, remove the screw, rotate the stand 180 degrees, and reinsert the screw. To wall mount the speaker, remove the screw and mount the stand through the other hole on the bottom of the speaker. Subwoofer Because bass frequencies are non-directional, the subwoofer can be placed...