按下左鍵即可畫圖 按下0即可畫圓 按下a筆寬歸零 上=筆寬加1 下=筆寬減1 按9蓋章 按空白消除筆跡 Press the left button to draw Press 0 to draw a circle Press a pen width to zero Upper = pen width plus 1 Lower = pen width minus 1 Sealed by 9 Press the blank to eliminate the handwriting
