Marantz NR1605 Owner's Manual page 122

Contents Connections
Original sound mode
Sound mode type
Multi Ch Stereo This mode is for enjoying stereo sound from all speakers.
Stereo audio (2-channel) sources are played back via the front (L/R) speakers, the surround speakers and surround back
speakers (if connected).
Virtual This mode lets you experience an expansive surround sound effect when playing back through just the front (L/R)
speakers only, and when listening with stereo headphones.
Auto sound mode
Sound mode type
Auto In this mode, the type of digital signal input, such as Dolby Digital, Dolby TrueHD, Dolby Digital Plus, DolbyDigital EX,
DTS, DTS-HD, DTS-ES, PCM (multi-channel) is detected, and the playback mode switches automatically to the
corresponding mode.
If the input signal is analog or PCM (2-channel), stereo playback is used. For Dolby Digital or DTS, the music is played
back according to the respective channel number.
Front panel Display
Playback Settings
Rear panel 122
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