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Command SETUP(AC97)   Description Setup the protocol for the AC97 audio boards   Syntax/Parameters setup( ac97 ){...}   Options   active = Y; // enabled or not   line_gain_L = 31; // 0 - 63   line_gain_R = 31; // 0 - 63   mic_gain_L = 31; // 0 - 63   mic_gain_R = 31; // 0 - 63   rec_sel = MIC; // MIC / LINE   rec_rate = 44100; // 0 - 48000   treble = 0; // 0 - 15   bass = 7; // 0 - 15   threeD = 0; // 0 - 15   master_volume = 100;    //0 low - 100 high   speaker_volume = 100;  //0 low - 100 high   headphone_volume = 100; //0 low - 100 high   balance = 50;   //0-Left   50-Center   100-Right   stereo_speaker = Y;    //Y when using module with stereo amp, N when using single speaker   pbdonefnc = EndFunc; // function that is called when playback is finished   pbprogfnc = UpdateVal;  // function that is called every 100ms during playback   pbmode = fore; // halts further execution of itronSmart code until playback finishes               = back; // playback occurs in the background and the pbdonefnc is called when playback finishes (default)   Example SETUP(AC97) { active = Y; // enabled or not rec_sel = MIC; // MIC / LINE rec_rate = 44100; // 0 - 48000 treble = 0; // 0 - 15 bass = 7; // 0 - 15 threeD = 0; // 0 - 15 master_volume = 100;    //0 low - 100 high speaker_volume = 100;  //0 low - 100 high headphone_volume = 100; //0 low - 100 high balance = 50;   //0-Left   50-Center   100-Right stereo_speaker = Y;    //Y when using module with stereo amp, N when using single speaker pbdonefnc = EndFunc; // function that is called when playback is finished pbprogfnc = UpdateVal;  // function that is called every 100ms during playback pbmode = fore; // halts further execution of itronSmart code until playback finishes }