Yamaha DSP-A2 Owner's Manual - Page 44

BASIC OPERATION Ⅵ To enjoy a video source encoded with Dolby Pro Logic Surround, Dolby Digital or DTS When you select the program No. 10, 11 or 12, and the input signal of the source is 2-channel stereo, Dolby Pro Logic Surround is decoded. When some program is selected and the input signal of the source is encoded with Dolby Digital, Dolby Digital is automatically decoded. When some program is selected and the input signal of the source is encoded with DTS, DTS is automatically decoded. The following indicators on the display panel show you what sound processing is being made. 12 3 DIGITAL 4 PRO LOGIC 5 DSP DIGITAL SOURCE AC 3 DTS PCM 1 Lights up when a DVD source encoded with DTS is played back and DTS is decoded. 2 Lights up when an LD source or a CD source encoded with DTS is played back and DTS is decoded. 3 Lights up when Dolby Digital is being decoded and the signals of selected source encoded with Dolby Digital is not in 2-channels. 4 Lights up when Dolby Pro Logic Surround is being decoded. 5 Lights up when Digital Sound Field Processor is turned on. The display panel or the monitor screen will show the selected subprogram according to the type of the decoding. Notes q Dolby Digital will not be decoded if the source that is not encoded with Dolby Digital. DTS will not be decoded if the source that is not encoded with DTS. q If the input signals of source encoded with Dolby Digital are in 2-channels only, the sound processing for them is similar to that for analog or PCM audio signals. q The indicator 3 will also light up when the input mode is set to "D.D.RF" even if no signal encoded with Dolby Digital is input to this unit. Note If you change the LD (or CD) being played back with DTS decoded to another disc not encoded with DTS when the red "dts" indicator is illuminated, playing back the newly selected disc will output no sound. In this state, the red "dts" indicator flashes to show that this unit is locked in the DTS-decoding mode. To play back the disc normally, change the current DTSdecoding mode to another mode by pressing an input selector key on the remote controller or the INPUT MODE button on the front panel so that the red "dts" indicator turns off. Ⅵ To cancel the effect sound The EFFECT button on the front panel or the EFFECT ON/OFF key on the remote controller make it simple to compare the normal stereo sound with the fully processed effect sound. To cancel the effect sound and monitor only the main sound, press the EFFECT ON/OFF key or the EFFECT button. Press the EFFECT ON/OFF key or the EFFECT button a second time to restore the effect sound. Front panel EFFECT Remote control EFFECT or ON/OFF Notes q If the effect sound is canceled when signals encoded with Dolby Digital or DTS are input to this unit, signals of all channels are mixed and are output from the main speakers. q If the EFFECT button or the EFFECT ON/OFF key is pressed to turn effect sounds off when Dolby Digital or DTS is decoded, it may happen that sound is output faintly or not output normally depending on a source. In that case, press the EFFECT button or the EFFECT ON/OFF key to turn effect sounds ON, or use input signals not encoded with Dolby Digital or DTS. q If the EFFECT button or the EFFECT ON/OFF key is pressed to turn effect sounds off, some information is shown on the display panel depending on the type of the current digital input signals. When Dolby Digital is decoded, for example, the sampling frequency and channel formation of the decoded signal is shown on the display panel. ex.) EFFECT OFF fs=48k in : 3/2 Sampling frequency is 48 kHz. Three channels at the front Two channels at the rear * If the input source is a Dolby Digital KARAOKE source, "K" is shown at the head of channel formation. 42