<div>Press&nbsp;the&nbsp;A&nbsp;button&nbsp;2&nbsp;seconds,&nbsp;the&nbsp;red&nbsp;light&nbsp;will&nbsp;turn&nbsp;off,&nbsp;the&nbsp;machined&nbsp;will&nbsp;bnot&nbsp;working,&nbsp;then&nbsp;switch&nbsp;the&nbsp;black&nbsp;smaller&nbsp;button&nbsp;to&nbsp;“OFF”.</div>