Under the on-line way, presses the PageUp key to upload the document, presses the PageDn key downloading document, Ctrl-O exhales the main menu, the withdrawal on-line way uses the Ctrl-D key.

• 在联机方式下，按PageUp键上载文件，按PageDn键下载文件，Ctrl-O呼出主菜单，退出联机方式使用Ctrl-D键。