Sony STR-DE675 Operating Instructions Manual page 31

Use the buttons on the front panel to operate the following modes
AFD
AUTO FORMAT DECODING
(Press the A F D button)
P
Automatically detects the type of audio signal being
input (Dolby Digital, Dolby Pro Logic, or standard two
channel stereo) and performs the proper decoding if
necessary. This mode presents the sound as it was
recorded/encoded, without adding any effects
You can use this mode as a reference Set
the EQUALIZER to OFF while using this
mode to hear the source sound exactly as it
was recorded
2CH ST
2 CHANNEL
(Press the 2CH button)
Outputs the sound from the front left and right
speakers only. Standard two channel (stereo) sources
completely bypass the sound field processing Multi
channel surround formats are downmixed to two
channels
This allows you to play any source using
only the front left and right speakers
Notes
l
No sound is output from the sub woofer when the 2 CHANNEL mode is selected To listen to two channel (stereo) sources using the front
left and right speakers and a sub woofer, use the AUTO FORMAT DECODING mode
l
When you select "Micro Satellite Speaker", internal sound processor will automatically redirect bass sound to subwoofer If you want to E
listen to two channel (stereo) sources under this setting, we recommend that you choose AUTO FORMAT DECODING mode so that you
can take advantage of your subwoofer to get back correct bass signal
s
5'
31