Why Mars M1 signal icon show "x" when working in TX mode? Hollyland Tech September 09, 2022 03:40 Updated OVERVIEWS: One of the signal icon on Mars M1 show "x" as transmitter mode, what does it mean? Mars M1 support 2 RX when working in TX mode, so if you only connect 1 RX, the other signal icon will show "x". Article Number: 【AS-220827003_2】 Related articles Which devices can connect to Mars M1? And how to pair them? Mars M1 SDI / HDMI IN won't display the video? Interface Connection & Installation introduction User Manual Image stuck, mosaic or snowflakes Comments 0 comments Article is closed for comments.