780是QD手持式高清信号源，支持HDMI，VGA，YPbPr等接口，能进行HDCP，CEC，EDID测试，最新780，能输出3D图片，能进项HDMI信号的分析。

    

    802BT是802B的升级版本，它与802B比较增加下列特点和功能：

    

    >24 bit¨True Color¨up to 100MHz

    >HDMI Option (802B cannot be upgraded for HDMI)

    >HDMI Digital Audio(802B cannot be upgraded for HDMI)

    >HDMI Signal Analyzer(802B design cannot support HDMI Analyzer)

    >Full support for CEA 861B ¨multi-clocking¨HDTV formats

    >Better calibration accuracy

    >Individual calibration of R,G and B channels

    >More highly developed White Balance function built-in