>>[Deepak] Yeah, I will have to fiddle around with the setting and pick up a SPL meter from RadioShack. Anyone on the forum have a quick howto guide that they can point me to. I search for calibration, speaker calibration and spl but not much luck. I am a total newbie with audio/video stuff.>>
I suggest picking up the Avia Disk to assist you in calibrating your audio and video.
You can pick up the combo Avia Disk/SPL meter here for $80 USD.