Sony STR-K4800P HT4800DP Instructions (main HT model) - Page 23

Enjoying Surround Sound Enjoying Surround Sound Using only the front speakers and sub woofer - 2CH STEREO In this mode, the receiver outputs the sound from the front left/right speakers and sub woofer only. When multi channel surround formats are input, the signals are downmixed to 2 channel with bass frequencies being output from the sub woofer. When standard 2 channel stereo sources are input, the receiver's bass redirection circuitry will be activated. The front channel bass frequencies will be output from the sub woofer. Press 2CH. "2CH ST." appears in the display and the receiver switches to the 2CH STEREO mode. Enjoying higher fidelity sound - AUTO FORMAT DIRECT The Auto Format Direct (A.F.D.) mode allows you to select the decoding mode you want for your audio sound. A.F.D. mode (Display) Decoding mode A.F.D. AUTO (A.F.D. AUTO) PRO LOGIC (DOLBY PL) PRO LOGIC II MOVIE (PLII MOV) PRO LOGIC II MUSIC (PLII MUS) As encoded Dolby Pro Logic Dolby Pro Logic II Decoding the input audio signal automatically In this mode, the receiver automatically detects the type of audio signal being input (Dolby Digital, DTS, standard 2 channel stereo, etc.) and performs the proper decoding if necessary. This mode presents the sound as it was recorded/ encoded, without adding any surround effects. However, if there are no low frequency signals (Dolby Digital LFE, etc.) it will generate a low frequency signal for output to the sub woofer. Press A.F.D. repeatedly to select "A.F.D. AUTO". The receiver automatically detects the type of audio signal being input and performs the proper decoding if necessary. continued 23US