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的升級版本，它與802B比較增加下列特點和功能：
>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
