仪器自带微型针式打印机程序。通过串行口与主单片机通信，字库直接烧录在FLASH里，适合字库小的专业仪器使用。所控制打印头为EPSON 150-nstrument comes with mini dot matrix printer program. Through the serial port to communicate with the main microcontroller, font directly burn in FLASH, the appropriate font small