Car Radios and Sound Systems. June 6, 5: Auto setup systems go by different names, but they all do approximately the same thing. Another option is that you're watching TV thru aerial, and your receiver is just for audio. Set the amplifier volume controls to minimum until we get a good level coming out of your preamp. It's a good starting point to allow enough signal into this input and should keep you from "overloading" the input from too much signal.
Not a good mic for preventing feedback in your system.
How to use your AV receiver's speaker calibration
Install the two speakers, one on each side of the front of your audience. Before you get started running test tones, check that the interconnect cable running to the subwoofer is connected to the sub's "direct" or "LFE" input. The cardioid microphone is another name for a directional microphone. Include your email address to get a message when this question is answered. Most auto setup systems work best with readings from three or more mic positions, usually starting from that central, "sweet spot," and then from the right and left sides of the seating area.