User manual EDIFIER M1550

[. . . ] 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. Heat---- Place the speakers away from all heat sources, such as heat registers, stoves, and direct sunlight. Ventilation ---- 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. [. . . ] location ---- Place the speakers in a stable location so that it will not fall causing damage to the speakers or bodily harm. Cleaning --- Unplug the speakers from the computer and from the electrical outlet before cleaning them with a damp cloth. Lightning ----For added protection during lightning storms, unplug the speakers from the electrical outlet and turn off the computer. Servicing is required when the apparatus has been damaged in any way, such as the power-supply cord or plug is 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. Please contact the seller as soon as possible if you find the speaker is the incorrect model or has sustained shipping damage. LINE IN (Audio signal input sockets) 2 channel audio signal input from sockets FR/FL; 4 channel audio signal input from sockets FR/FL and SR/SL; 5. 1 channel audio signal input from sockets FR/FL , SR/SL and C/SW 5. SPEAKER OUTPUT (Audio signal output sockets) FL: White socket, connect to front left satellite speaker SL; Blue socket, connect to surround left satellite speaker C: Yellow socket, connect to center satellite speaker FR: Red socket, connect to front right satellite speaker SR: Green socket, connect to surround right satellite speaker 6. Amplifier power output: Satellite channel: RMS 2Wx 4 (THD=10%, fo=1KHz) Center channel: RMS 8W (THD=10%, fo=1KHz) Subwoofer: RMS12W (THD=10%, fo=80Hz) Signal to noise ratio (Amplifier): 85dBA Amplifier distortion: THD+N<0. The reason for this is the CD-ROM is not matched with the Soundcard, or one signal channel maybe shorted to a ground wire. Please ensure AC power is plugged in and the power outlet is switched On. Please ensure sound source equipment output is working correctly. Speakers exhibit excessive noise Edifier speakers are of a very low noise circuit design. Some source equipment may have a poor signal to noise ratio. Therefore, please unplug the input audio cable, and check if the noise is from the CD/DVD player or the Computer Soundcard etc. magnetically Shielded Speakers Edifier system subwoofers and satellite speakers are all of a magnetically shielded design. You can place the speakers near a TV or monitor. 2-1 m distance between the speakers and monitor to avoid possible magnetic field interference. [. . . ] You can place the speakers near a TV or monitor. 2-1 m distance between the speakers and monitor to avoid possible magnetic field interference. Listening Tips: All high quality speaker systems benefit from a running-in period on normal music sources to stabilize their intended properties. To optimize the sound quality from your system: Sit in a comfortable position at the computer desktop. [. . . ]