Resetting to the factory-programmed settings, Data backup, Other character-entry operations – Yamaha PSR-S670 User Manual

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Resetting to the factory-programmed settings, Data backup, Other character-entry operations | Yamaha PSR-S670 User Manual | Page 31 / 108 Resetting to the factory-programmed settings, Data backup, Other character-entry operations | Yamaha PSR-S670 User Manual | Page 31 / 108
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