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  • arn

    félisten

    válasz DBob #50164 üzenetére

    epp azert vettem meg, mert nem volt draga - ahogy az ebayen nezem, konnyu eladni.

    The earliest Roland SC-55s simply have a "GS STANDARD" logo on the bottom of the front panel, while slightly later SC-55s have a "GS" logo. Modules with the GS logo may still be

    Between these Roland SC-55s and the later devices, there were two changes in the instrument map. Early modules have at Program Change #121 Fl. Key Click. There is no Breath Noise tone. Later modules in the series would put Breath Noise as the default tone on PC#121 and put Fl. Key Click as a variation tone. Breath Noise is the canonical General MIDI tone for PC#121. Early modules lack a sine wave variation tone at PC#81. These changes can be seen in all General MIDI/GS units and even some simply "GS" branded units. GS branded SC-55s with a Control ROM version of 1.10 will have the old instrument table, while units with a 1.20 or 1.21 Control ROM will have the new instruments.

    By no later than March of 1992, Roland added official support for the General MIDI standard to the SC-55, CM-300 and CM-500. These modules are identified with the General MIDI logo being next to the GS logo. Unlike the SC-55mkII, the SC-55 cannot initialize GM mode via the front panel. However, it can turn the GS features off by pressing the part buttons simultaneously, using the all and mute buttons to get to the Rx GS Reset item and pressing the instrument left button to turn it off (and the right button to turn it on).

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