Rotel RSX-1550 Dolby Digital 5.1 discs Dolby Digital Surround EX discs, Dolby Digital 2.0 discs

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•Dolby Digital Surround EX decoding of Dolby Digital 5.1 channel recordings or Dolby Digital Surround EX discs that do not trigger automatic decoding.

Note: DTS, DTS-ES Matrix 6.1, DTS-ES Discrete 6.1, DTS 96/24, DTS-ES 96/24 and Dolby Digital signals are auto-detected and cannot be overridden. However, you can choose to use Dolby Digital Surround EX decoding for any Dolby Digital 5.1 source material. You can also downmix Dolby Digital 5.1 or DTS 5.1 recordings for 2-channel playback.

•PCM 2-channel (non 96kHz) digital signals can be overridden to Dolby Pro Logic II, Dolby 3-Stereo, DTS Neo:6, DSP 1–4, 5CH Stereo, 7CH Stereo, and Stereo.

•Dolby Digital 2-channel Stereo can be overridden to Dolby Pro Logic II, Dolby 3-Stereo, and Stereo.

The following topics describe in detail the manual surround mode options available for each type of recording:

Dolby Digital 5.1 discs

Dolby Digital Surround EX discs

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Dolby Digital decoding is auto-detected and cannot be overridden. You may, however, select a 2-channel downmix of 5.1 channel recordings. In a 6.1 or 7.1 channel system, you can also choose Dolby Surround EX, Dolby Pro Logic IIx Music, Dolby Pro Logic IIx Cinema (7.1 channel only), or Rotel XS processing for center back channels.

Note: In addition to the options that follow, you can press the 2CH button on the front panel or the remote to toggle between 2- channel downmix and multichannel playback.

•On a 5.1 system. Press the SUR+ button on the remote, then press the +/– buttons to change between DD 5.1 channel or DD 2.0 channel downmix playback.

•On a 6.1 system. Press the SUR+ button on the remote, then use the +/– buttons to step through five options: DD 2.0 channel downmix,

DD5.1 channel, DD Surround EX center back processing, DD with Pro Logic IIx Music center back processing or DD with Rotel XS center back processing. You should typically select Surround EX or discs that are labeled Dolby Digital Surround EX. For standard 5.1 channel discs, Dolby Pro Logic IIx Music or Rotel XS processing will provide a more diffuse surround effect than the more highly localized Dolby EX decoding and will probably be the better 6.1 channel options for non-Surround EX discs. Selecting DD 5.1 forces the center back channel processing off for conventional 5.1 channel playback. You can also repeatedly press the DOLBY PLIIx Mode button on the front panel until the desired center back channel option is selected.

•On a 7.1 system. Press the SUR+ button on the remote, then use the +/– buttons to step through six options: DD 2.0 channel downmix,

DD5.1 channel, DD Surround EX center back processing, DD with Pro Logic IIx Music center back processing, DD with Pro Logic IIx Cinema back channel processing, or DD with Rotel XS center back processing. You should typically select Surround EX or discs that are labeled Dolby Digital Surround EX. For standard 5.1 channel discs, Dolby Pro Logic IIx Music or Rotel XS processing will provide a more diffused surround effect than the more highly localized Dolby

EX decoding and may be the better 7.1 channel options for non- Surround EX discs. Selecting DD 5.1 forces the center back channel processing off for conventional 5.1 channel playback. You can also repeatedly press the DOLBY PLIIx Mode button on the front panel until the desired center back channel option is selected.

Note: When playing any Dolby Digital source, you can select one of three dynamic range control settings. See the Dynamic Range topic in the Other Settings section of this manual.

Dolby Digital 2.0 discs

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Dolby Digital decoding is auto-detected and cannot be overridden. You may, however, select 2-channel playback, 5.1 channel playback with Pro Logic II matrix surround, 6.1/7.1 channel playback with Pro Logic IIx matrix surround, or Dolby 3-Stereo playback.

•On a 5.1 system. Press the SUR+ button on the remote, then use the +/– buttons to step through four options: DD 2.0 channel, DD with Pro Logic II Cinema matrix surround, DD with Pro Logic II Music matrix surround, or Dolby Digital 3 channel stereo. You can also repeatedly press the 2CH button on the front panel or the remote to select the same options.

•On a 6.1/7.1 system. Press the SUR+ button on the remote, then use the +/– buttons to step through four options: DD 2.0 channel, DD with Pro Logic IIx Cinema matrix surround, DD with Pro Logic IIx Music matrix surround, or Dolby Digital 3 channel stereo. You can also repeatedly press the 2CH button on the front panel or the remote to select the same options.

•To select Cinema or Music options in Pro Logic II or Pro Logic IIx modes. Press the SUR+ button twice while in Pro Logic II or Pro Logic IIx modes. Then, use the +/– buttons to select the Music or Cinema options.

Note: When playing any Dolby Digital source, you can select one of three dynamic range control settings. See the Dynamic Range topic in the Other Settings section of this manual.

DTS 5.1 discs

DTS 96/24 discs

DTS-ES 6.1 discs

=TVW

DTS decoding is auto-detected and cannot be overridden. You may, however, select a 2-channel downmix of 5.1 channel recordings or add Rotel XS center back processing for 5.1 channel discs.

Note: In addition to the options that follow, you can press the 2CH button on the remote to toggle between 2-channel downmix and multichannel playback.

•On a 5.1 system. Press the SUR+ button on the remote, then press the +/– buttons to change between DTS 5.1 channel or DTS 2.0 channel downmix playback.

•On a 6.1/7.1 system with a DTS 5.1 disc. Press the SUR+ button on the remote, then use the +/– buttons to step through the optional modes: DTS 2.0 channel downmix, DTS 5.1 channel, DTS with Rotel XS center back processing, DTS with Pro Logic IIx Music center back processing, or DTS with Pro Logic IIx Cinema center back processing

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