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Using Receiver
How Do I Adjust the Surround Modes?
÷ THX Sur EX On
The input signal is decoded automatically into 6.1-channel signals
if the input signal is Dolby Digital or DTS and contains two chan-
nel surround signals.
The THX operation is activated.
÷ THX Sur EX Auto
The input signal is decoded into 6.1-channel signals only when the
input contains the Dolby Digital Surround EX encoded identifica-
tion signal.
The THX operation is activated
÷ THX On
The THX operation is activated. (6.1channel decoding will not be
applied.)
÷ THX Off
The THX Surround EX and THX operations are deactivated.
• To play Dolby Digital Surround EX-encoded software in 6.1 channels, it
is required to set the THX Surround EX mode to On or Auto.
Note that some of Dolby Digital Surround EX-encoded software does
not contain the identification signal. In this case, set the THX Sur-
round EX mode to On.
• Set the THX mode to Off when DTS-ES decoding is required.
• The THX operation is not activated with the 96k fs PCM signal.
• When Dolby Pro Logic II: Music is selected while THX Sur EX On,
THX Sur EX Auto or THX On is selected, the THX mode will be
switched Off.
• As long as Dolby Pro Logic II: Music is selected, switching the THX
mode does not produce any effect.
• Different THX modes can be selected for the different input devices.
The selected THX modes for the separate input devices are stored in
the memory.