This paper introduces minutely the process of updating and installation of both system software and application software, along with the respective using characteristics in hardware of DDL- 1000V and EXCELI2000.

• 文章详细介绍了系统软件及应用软件的升级安装过程，同时对比了DDL－V1000与EXCELL2000仪器在硬件方面的特点。