Basic 基本 | Move page 移动页数

1. Click your mouse's left button to enlarge the image and click right button to reduce.
1. 按滑鼠的左键放大图像，按滑鼠的右键缩小图像。

2. Up, down move in expanded state.
2. 上下移动
3.Page selection. Key in the page number that you want to view in the provided small box.
3.直接在小格子里输入您想观看的页数即可。