User manual ACOUSTIC RESEARCH AMPLIFIER service manual

[. . . ] Do not install the appliance in a confined space, such as a bookcase or built-in cabinet. Don't throw away batteries with general house waste; dispose of them correctly as chemical waste. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. [. . . ] repeatedly to select the 2 channel decoding mode. Selecting a sound field You can take advantage of surround sound simply by selecting one of the receiver's preprogrammed sound fields. They bring the exciting and powerful sound of movie theaters and concert halls into your home. Selecting a sound field for movies Press MOVIE repeatedly to select the sound field you want. The selected type of decoding appears in the display. x DOLBY PL (PRO LOGIC) Performs Dolby Pro Logic decoding. The source recorded in 2 channel is decoded into 4. 1 channels. The selected sound field appears in the display. Sound field Display x PLII MOV (PRO LOGIC II MOVIE) Performs Dolby Pro Logic II Movie mode decoding. In addition, this mode can reproduce sound in 5. 1 channel when watching videos of overdubbed or old movies. CINEMA STUDIO EX A D CS CINEMA STUDIO EX B DCS CINEMA STUDIO EX C DCS C. ST. EX A C. ST. EX B C. ST. EX C About DCS (Digital Cinema Sound) Sound fields with DCS marks use DCS technology. DCS is the concept name of the surround technology for home theater developed by Sony. DCS uses the DSP (Digital Signal Processor) technology to reproduce the sound characteristics of an actual cinema cutting studio in Hollywood. When played at home, DCS will create a powerful theater effect that mimics the artistic combination of sound and action as envisioned by the movie director. x C. ST. EX A (CINEMA STUDIO EX A) DCS Reproduces the sound characteristics of the Sony Pictures Entertainment "Cary Grant Theater" cinema production studio. This is a standard mode, great for watching most any type of movies. x PLII MUS (PRO LOGIC II MUSIC) Performs Dolby Pro Logic II Music mode decoding. This setting is ideal for normal stereo sources such as CDs. Note Dolby Pro Logic and Dolby Pro Logic II decoding do not function for DTS format signals. x C. ST. EX B (CINEMA STUDIO EX B) DCS Reproduces the sound characteristics of the Sony Pictures Entertainment "Kim Novak Theater" cinema production studio. This mode is ideal for watching science-fiction or action movies with lots of sound effects. 18US x C. ST. EX C (CINEMA STUDIO EX C) DCS Reproduces the sound characteristics of the Sony Pictures Entertainment scoring stage. This mode is ideal for watching musicals or films where orchestra music is featured in the soundtrack. Selecting a sound field for music Press MUSIC repeatedly to select the sound field you want. About CINEMA STUDIO EX modes CINEMA STUDIO EX modes are suitable for watching motion picture DVDs (etc. ), with multi channel surround effects. This may be useful when you want to watch movies at low volumes late at night. · STD The dynamic range is compressed as intended by the recording engineer. · MAX The dynamic range is compressed dramatically. Tip Dynamic range compressor lets you compress the dynamic range of the soundtrack based on the dynamic range information included in the Dolby Digital signal. This greatly compresses the dynamic range and lets you view movies late at night at low volumes. Unlike analog limiters, the levels are predetermined and provide a very natural compression. Note Dynamic range compression is possible with Dolby Digital sources only. x EFCT. XXX (Effect level) Initial setting: STD Lets you adjust the "presence" of the surround effect. 21US Adjusting the tone You can adjust the tonal quality (bass, treble level) of the front speaker using the TONE menu. Advanced settings Using the CUSTOMIZE menu to adjust the receiver You can adjust various receiver settings using the CUSTOMIZE menu. 1 2 3 Start playing a source encoded with multi channel surround effects (DVD, etc. ). Press or repeatedly to select the parameter you want to adjust. 1 2 Press MAIN MENU repeatedly to select " CUSTOM ". Press or repeatedly to select the parameter you want to adjust. For details, see "TONE menu parameters" below. For details, see "CUSTOMIZE menu parameters" below. 4 5 3 4 While monitoring the sound, press + or ­ repeatedly to select the setting you want. Press + or ­ repeatedly to select the setting you want. The setting is entered automatically. Repeat steps 2 and 3 to adjust the other items. The setting is entered automatically. Repeat steps 3 and 4 to adjust the other items. CUSTOMIZE menu parameters The initial setting is underlined. x DEC. XXXX (Digital audio input decoding priority) Lets you specify the input mode for the digital signal input to the DIGITAL IN jacks. · AUTO Automatically switches the input mode between DTS, Dolby Digital, or PCM. · PCM PCM signals are given priority (to prevent the interruption when playback starts). [. . . ] · Check that the speakers and components are connected correctly and securely. · Check that the speakers and components are connected securely. · Check that the connecting cords are away from a transformer or motor, and at least 3 meters away from a TV set or fluorescent light. There is no sound or only a very low-level sound is heard from the center or/and surround speakers. [. . . ]