LR064VR/B series color liquid crystal display user manual, introduces the basic principle, system structure diagram, performance parameters, communication and connection, memory and screen dot matrix correspondence, memory and screen pixel point correspondence diagram, reading data from the display memory, I/O port read and write timing, automatic clearing screen, color composition, switch definition, mechanical size and layout, application examples, after-sales support instructions, transportation damage handling methods, display storage, precautions, control circuit precautions, common problems and solutions.