Restoring the Factory Setting 1 Turn off the power 2 While holding [MOD] and [Feedbacker/Slow Gear] down, switch on the unit 3 Move the cursor to "Starting Point" with [Parameter], then use the VALUE dial to geth the display to show the data that is the beginning point of the initialization. 4 Move the cursor to "Ending Point" with [Parameter], then get the display to show the ending point of the initislization, also using the VALUE dial. 5 Press [Write], and the specified area of data wil be initialized. The GT-5 will then be in its normal poweron state. 說明書請至這兒申請下載.. http://www.rolandus.com/products/pdf_manuals/product_manuals_form.asp?ProdId=GT-5&catId=6&SubCatId=0&Pdf=686