Sony STR-DB795 Operating Instructions Manual page 28

O Playback channel indicators: The letters
(L, C, R, etc.) indicate the channels being
played back. The boxes around the letters vary
to show how the receiver downmixes the
source sound (based on the speakers settings).
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)), SB (Surround Back
(the surround back components obtained by
6.1 channel decoding)), SBL (Surround
Back Left), SBR (Surround Back Right)
Example:
Recording format (Front /Surround): 3/2
Output channel: Surround speakers absent
Sound Field: A.F.D. AUTO
L C R
SL SR
GB
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