User manual ONKYO HT-R420

[. . . ] Contents Before using AV Receiver HT-R420 Instruction Manual Important safeguards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Supplied accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] The speaker configuration is very important for the surround sound. See "Positioning speakers/Connecting speakers" on pages 12 ­ 13. For operational instructions, refer to the page 29. Following are the sound systems the AV Receiver can reproduce. The Music mode uses the surround channels to provide a natural sound space that cannot be provided with normal stereo output. This mode can be used with VHS and DVD videos with the mark and certain television programs. The Music mode can be used with music compact discs and other stereo sources. If no surround speakers are connected, then the surround sound is divided and output from the front left and right channels. Dolby Digital surround, DTS (Digital Theater System) surround This 5. 1-channel digital surround format enables you to individually record and play five full-range (20 Hz-20 kHz) channels (left and right front, center, two surround channels) plus an LFE channel (Low Frequency Effect) for the low-range effect sound. It will create a realistic sound that could be heard in the theaters and concert halls. Onkyo's original Digital Signal Processing (DSP) modes Analog sources include audio records, AM/FM broadcasting and cassette tapes. The PCM (Pulse Code Modulation) signal is a kind of digital audio signal, which is recorded directly on CD or DVD without being compressed. When an analog or PCM source is played, you can enjoy unique surround modes to Onkyo as listed below. Orchestra This mode is suitable for classical and opera music. The center channel is cut and the surround channels are emphasized to widen the stereo image. It simulates a natural reverberation as created in a large hall. Unplugged This mode is suitable for acoustic instrumental sounds, vocals, and jazz music. By emphasizing the front stereo image, it simulates the acoustics in front of the stage. Studio-Mix This mode is suitable for rock and popular music. Lively sounds with a powerful acoustic image will make you feel as if you are in a club. TV Logic This mode offers the realistic acoustics of a TV program being aired in the TV studio. It enhances the entire surround sound and clarity of conversation. All Ch St (All Channel Stereo) This mode is useful for background music. The front and surround channels will create a stereo image. Dolby Digital Select this option when you play a DVD video that has a mark. DTS Select this option when you play a DVD player, LD, or CD that has mark. [. . . ] The power plug is not fully inserted into the wall outlet. The OUTPUT LEVEL control is set to minimum. The RCA cable is not properly connected to the subwoofer's LINE INPUT. The level of the input signal was too low and the subwoofer entered Standby mode. [. . . ]