Dolby Laboratories CP650 Digital Cinema Sound Processor User’s Manual

Below you will find brief information for Digital Cinema Sound Processor CP650. The CP650 Digital Cinema Sound Processor is the heart of your theatre sound system. All sound sources are connected to the CP650, which processes the signals appropriately and feeds them to the power amplifiers. Entirely self-contained, the CP650 provides both Dolby Digital and Dolby analog processing. An easy-to-read front panel screen and uncomplicated front-panel buttons make it easy to operate.

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Dolby CP650 User's Manual | Manualzz

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Key features

  • Dolby Digital and analog processing
  • Easy-to-read front panel
  • Uncomplicated front-panel buttons
  • Automatic selection of the Dolby Digital format
  • User-defined formats for U1, U2 and NS buttons
  • Mute function with adjustable fade-in/fade-out time
  • Automatic optical level adjustment
  • Bypass operation for emergency use
  • Software updates downloadable from a PC
  • Automatic updates for new audio coding on Dolby Digital prints

Frequently asked questions

The CP650 is a Digital Cinema Sound Processor that processes sound signals for your theater's sound system. It handles both Dolby Digital and Dolby analog formats.

You can select the desired format by pressing the corresponding button on the front panel. The button will illuminate, and the format number will appear on the screen.

The correct fader setting is 7.0. This setting ensures that the film plays at the level it was mixed.

The mute function allows you to fade down the sound without affecting the current fader setting. This can be useful between intermission music and the start of the film, or in case of a film break.

You can adjust the contrast by navigating to the 'Contrast Adjustment' menu on the front panel and rotating the fader knob.

Bypass operation is an emergency feature that allows the CP650 to continue operating with limited functionality in case of a power supply or processor failure.

You need a loop of Dolby Cat. No. 69T test film to perform Dolby Level calibration. The CP650 has an automatic level adjustment facility, which simplifies the process.
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