[{"data":1,"prerenderedAt":221},["ShallowReactive",2],{"docs-nav-en":3,"docs-page-en-calibration":49},[4,9,13,17,21,25,29,33,37,41,45],{"slug":5,"nav":6,"order":7,"draft":8,"fallback":8},"index","Overview",1,false,{"slug":10,"nav":11,"order":12,"draft":8,"fallback":8},"getting-started","Getting started",2,{"slug":14,"nav":15,"order":16,"draft":8,"fallback":8},"tuning-guide","Tuning a whole instrument",3,{"slug":18,"nav":19,"order":20,"draft":8,"fallback":8},"instruments","Instruments",4,{"slug":22,"nav":23,"order":24,"draft":8,"fallback":8},"sessions","Sessions and passes",5,{"slug":26,"nav":27,"order":28,"draft":8,"fallback":8},"calibration","Calibration",6,{"slug":30,"nav":31,"order":32,"draft":8,"fallback":8},"beating-curves","Beating curves",7,{"slug":34,"nav":35,"order":36,"draft":8,"fallback":8},"reports","Tuning reports",8,{"slug":38,"nav":39,"order":40,"draft":8,"fallback":8},"settings","Settings",9,{"slug":42,"nav":43,"order":44,"draft":8,"fallback":8},"troubleshooting","Troubleshooting",10,{"slug":46,"nav":47,"order":48,"draft":8,"fallback":8},"faq","FAQ",11,{"data":50,"body":55,"toc":213},{"title":27,"description":51,"nav":27,"order":28,"eyebrow":52,"lede":53},"","Documentation",{"A guided sweep of the instrument":54},"it tells you what to play, and fills the card as you play it.",{"type":56,"children":57},"root",[58,67,81,93,98,104,109,114,126,132,137,142,148,160,179,184,190,202,208],{"type":59,"tag":60,"props":61,"children":63},"element","h2",{"id":62},"what-it-calibrates",[64],{"type":65,"value":66},"text","What it calibrates",{"type":59,"tag":68,"props":69,"children":70},"p",{},[71,73,79],{"type":65,"value":72},"The ",{"type":59,"tag":74,"props":75,"children":76},"strong",{},[77],{"type":65,"value":78},"instrument",{"type":65,"value":80},", not the computer. Calibration learns the accordion's keyboard and\nsweeps its reeds, so that what comes out is a filled card rather than a setting.",{"type":59,"tag":68,"props":82,"children":83},{},[84,86,91],{"type":65,"value":85},"It is not sound-card calibration. If your sound card's clock runs fast, that is the\n",{"type":59,"tag":74,"props":87,"children":88},{},[89],{"type":65,"value":90},"Clock correction",{"type":65,"value":92}," field in Settings, and it is a different thing entirely.",{"type":59,"tag":68,"props":94,"children":95},{},[96],{"type":65,"value":97},"A session has to be open: calibration measures onto the accordion a session is recorded on,\nand the readings have to land somewhere.",{"type":59,"tag":60,"props":99,"children":101},{"id":100},"why-use-it-instead-of-just-recording",[102],{"type":65,"value":103},"Why use it instead of just recording",{"type":59,"tag":68,"props":105,"children":106},{},[107],{"type":65,"value":108},"Nothing. Free-form recording does the same job: arm it, play, and every locked note is\ncaught.",{"type":59,"tag":68,"props":110,"children":111},{},[112],{"type":65,"value":113},"The sweep is for when you would rather be told what to play than keep track of where you\nare. It walks the range note by note, in both bellows directions, on one register, and\ntells you the next one. On a full-size box that is several hundred readings, and losing\nyour place in the middle of it is easy and expensive.",{"type":59,"tag":68,"props":115,"children":116},{},[117,119,124],{"type":65,"value":118},"The readings it captures are ",{"type":59,"tag":74,"props":120,"children":121},{},[122],{"type":65,"value":123},"the ordinary recording",{"type":65,"value":125},". Same table, same card, same\nreport. The sweep only pins the note, sets the register and sets the direction for you.",{"type":59,"tag":60,"props":127,"children":129},{"id":128},"step-one-the-keyboard",[130],{"type":65,"value":131},"Step one: the keyboard",{"type":59,"tag":68,"props":133,"children":134},{},[135],{"type":65,"value":136},"Play the lowest key, capture it. Play the highest key, capture it. That is the range.",{"type":59,"tag":68,"props":138,"children":139},{},[140],{"type":65,"value":141},"You can type it instead, on the instrument itself, if you know it. If the highest comes out\nbelow the lowest, the app says so rather than accepting a keyboard that runs backwards.",{"type":59,"tag":60,"props":143,"children":145},{"id":144},"step-two-the-reeds",[146],{"type":65,"value":147},"Step two: the reeds",{"type":59,"tag":68,"props":149,"children":150},{},[151,153,158],{"type":65,"value":152},"Pick the register you are calibrating. ",{"type":59,"tag":74,"props":154,"children":155},{},[156],{"type":65,"value":157},"One register at a time",{"type":65,"value":159}," - an accordion is\ncalibrated one switch at a time, because a register is what decides which ranks are\nsounding and therefore which columns the readings land in.",{"type":59,"tag":68,"props":161,"children":162},{},[163,165,170,172,177],{"type":65,"value":164},"Then work down the list. For each note the sweep asks for ",{"type":59,"tag":74,"props":166,"children":167},{},[168],{"type":65,"value":169},"Press",{"type":65,"value":171}," and ",{"type":59,"tag":74,"props":173,"children":174},{},[175],{"type":65,"value":176},"Draw",{"type":65,"value":178},": they are\ndifferent tongues, they drift apart on their own, and they both get tuned. When the reading\nlands, the sweep moves to the next one on its own. Skip anything that will not sound; stop\nwhenever you like.",{"type":59,"tag":68,"props":180,"children":181},{},[182],{"type":65,"value":183},"If nobody has described the accordion's registers, the sweep still runs - its readings just\nland in numbered columns instead of named ones. That says less and claims nothing, which\nis the right trade: a reading filed under the wrong rank looks exactly like one filed under\nthe right one.",{"type":59,"tag":60,"props":185,"children":187},{"id":186},"the-microphone-stays-live",[188],{"type":65,"value":189},"The microphone stays live",{"type":59,"tag":68,"props":191,"children":192},{},[193,195,200],{"type":65,"value":194},"Calibration is guided ",{"type":59,"tag":74,"props":196,"children":197},{},[198],{"type":65,"value":199},"tuning",{"type":65,"value":201},": the microphone is open and the accordion is being played\nthe whole time. It is the one room besides Tune where the engine keeps running, and the\nonly exception to \"leave the tuning room, stop the tuner\".",{"type":59,"tag":60,"props":203,"children":205},{"id":204},"when-it-is-done",[206],{"type":65,"value":207},"When it is done",{"type":59,"tag":68,"props":209,"children":210},{},[211],{"type":65,"value":212},"It tells you how many readings landed, and offers you the card. From there it is an\nordinary pass: read the errors, open the box, file, and sweep again to check.",{"title":51,"searchDepth":12,"depth":12,"links":214},[215,216,217,218,219,220],{"id":62,"depth":12,"text":66},{"id":100,"depth":12,"text":103},{"id":128,"depth":12,"text":131},{"id":144,"depth":12,"text":147},{"id":186,"depth":12,"text":189},{"id":204,"depth":12,"text":207},1784488007325]