[Jason[_14_]]

In article ,
says...

On Sat, 3 Mar 2012 09:17:40 -0800, Gary Eickmeier wrote
(in article ):

I have investigated the matter and found that yes, it will still
record in 4 channel surround mode with an external source plugged in.

OK. How do you plug 4 external microphones into one 2-channel stereo
mini-jack?

The external pair substitutes for the built-in XY mics; the M-S tracks
use the interal ones.