How to fast and easily identify the channels with interference ? Hollyland Tech November 30, 2020 06:08 Updated Long-press the thumbwheel menu button on RX, and select “Channel Scan” White numbers with black background indicate channels with interference Related articles How to set them up when multiple sets of MARS 300 PRO are used at the same location ? Does 300 PRO support charging via different solutions at the same time? How to power on the device ? How long will the battery last ？ Why there is no video when using SONY camera? How to choose different fan modes? Comments 0 comments Article is closed for comments.