Is Mars 4K fan adjustable? Hollyland Tech September 09, 2022 10:24 OVERVIEWS: Mars 4K has built-in fan design, and it has 2 mode to adjust. Both Mars 4K transmitter and receiver have built-in fans for heat dissipation, and the fan can be adjusted. There are two fan settings, 【Automatic Mode】 and 【Silent Mode】. In silent mode, the fan is still turned on, but the noise of the fan will be smaller. Article Number: 【AS-220827003_8】 Related articles Why does the camera record in 4K the screen will turn black when connected to Mars 4K? How to connect Mars 4K to PC to live streaming? Interface Connection & Installation introduction How to switching the channel on Mars 4K? How to connect the Hollyview APP？ Comments 0 comments Article is closed for comments.