How to test the latency of the device correctly? Hollyland Tech December 23, 2020 02:33 Updated Related articles How to get the best wireless performance with MARS 400S PRO? UPGRADE Why I can’t get the video format on the OLED screen ? How can I switch the frequency ? Could I Choose SDI IN HDMI Out or HDMI IN SDI Out? Comments 0 comments Article is closed for comments.