之后-销售服务
呼叫中心的在线技术支持, 现场培训和考察
Touched functions
Support 20 point OPS touched functions
Touched functions 2
Support image magnification/shrink/rotation
Touched functions 3
Support voice/signal switch controlled by touched function
Other functions
Support OEM UI system
functions 2
Support VB1 port,3840*2160P UHD resolution picture quality
functions 3
Support HDMI/USB/MIC/LAN/VGA/LAN/AUDI/TOUCH multiple ports