Unverified85% confidenceFactTime unknown
触控副屏的触控与显示是两条独立信号：USB-C单线可同时传视频+触控+供电；但HDMI只传视频，触控信号需额外一根USB线，'单HDMI+触控'实为双线连接
1
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85%
Confidence
Long-term
Relevance
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First Seen
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Unverified触控便携屏的触控功能依赖USB-C全功能传输，仅通过HDMI连接只能显示画面无法触控，触控信号必须通过USB数据通道回传，纯HDMI线用户需额外接一根USB-A数据线才能启用触控86% similarUnverified不带HDMI接口，视频输出依赖DisplayPort和USB-C，如果显示器只有HDMI输入需要额外购买转接线78% similarUnverified无内置HDMI/DisplayPort接口，视频输出依赖下游Thunderbolt/USB-C口转接，如需直接HDMI输出需额外购买转接线或转接器77% similarPartially Verified双USB-C接口支持一线直连供电+视频传输，购买前需确认自己的笔记本USB-C口支持DP Alt Mode视频输出，否则只能走Mini HDMI连接77% similarUnverified没有HDMI/DP视频输出口，视频输出完全依赖下游雷电/USB-C口，外接非USB-C显示器需要额外购买转接线或转接器76% similar
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