How can I switch the frequency ? Hollyland Tech November 30, 2020 03:20 Updated Long-press the UP or DOWN button on TX or RX to switch to another frequency channel and enter OK to confirm it Related articles Why there is no video display on monitor? Could I Choose SDI IN HDMI Out or HDMI IN SDI Out? How to get the best wireless performance with MARS 400S PRO? Issue: Unable to find the device Wi-Fi Lark M1 Introduction Comments 0 comments Article is closed for comments.