支持文档下载
Please click the link abve to load the Guide of Switching in-box status, Operating the light effects and how to renew and upload the V3.3 PCB onboard.
(STANDARD MODERN CHINESE ONLY, LINK TO THE PAGE BASED ON WeChat)
Please Click here to load the Original Instruction of HO Scale DF4B model.
(STANDARD MODERN CHINESE ONLY)