1.digital multi-functional 2.concise and accordant with human-computer engineering 3.follows the Q/HZDLX001.10-2008 ... a type of digital multi-functional relay integrated with following functions as protection, measure, monitoring, control, human-computer interface and communications. ... panel of CDMP300A is simple, concise and accordant with human-computer engineering, as shown in figure 7.2.1: (1 ...