so i recently bought an Onkyo S5100 for my tv, and my ps3 i know the HDMI does not support audio. and i will need to use an optical cable my question is when setting up the PS3 what audio outputs should i use? there is a bunch of different one and i dont know if i should check them all or not also how do i go about making it dobly digital im new @ this and i thought there was a button you pressed but i could be wrong could somebody point me in the right direction?? like PCM or bitstream i have no idea what these mean
