Sony HT-7200DH Operating Instructions Manual page 8

Name Function
M HDMI
Lights up when the receiver
recognizes a component
connected via an HDMI IN jack
(page 21).
N Playback
The letters (L, C, R, etc.)
channel indicate the channels being
indicators
played back. The boxes around
the letters vary to show how the
receiver downmixes the source
sound.
L Front Left
R
Front Right
C Center (monaural)
SL
Surround Left
SR Surround Right
S Surround (monaural or the
surround components obtained
by Pro Logic processing)
Example:
Recording format (Front/
Surround): 3/2.1
Sound Field: A.F.D. AUTO
8
US
SW
L C R
SL SR