HDMI Video Matrix Switcher With PIP Function Support Scaler UP And Down

HDMI 4x1 Seamless Switch With PIP Function Support Scaler UP&Down HDMI 1.3a Remote Control 1. Input select button:press these buttons,the quad multi-viewer will select the corresponding input source,the front panel LED will indicate the selected input source status . 2. Mode select button:press these buttons,the quad multi-viewer will select the Corresponding mode, see the detail description(chapter 5.7). 3. Resolution button:press these buttons ,the HDMI will output