Why I can’t get the video format on the OLED screen ? Hollyland Tech November 30, 2020 02:54 Updated Check if your HDMI/SDI output video format is higher than 1080, MARS 400S PRO only supports up to 1080 Check the HDMI/SDI cable Connection Switch the HDMI/SDI cable Make sure the Power Supply meets the requirements. Related articles How to pair a new RX with the current system ? Could I Choose SDI IN HDMI Out or HDMI IN SDI Out? How to change the video input and output format? APP Error: “check the input source” User Manual Comments 0 comments Article is closed for comments.