How to use the three Record Modes? Hollyland Tech March 03, 2021 03:58 Updated The Lark 150 supports three record modes. Below is a brief explanation of the difference between the Three. The volume from the Transmitters: Mono mode: Signals are recorded and playback using a single audio channel. Stereo Mode: Sounds are recorded and playback using two audio channels: Left and Right. Safety Track Mode: Sounds are recorded and playback using one channel (same as Mono Mode). The 2nd track is designed for backup (-6 dB lower than the 1st track). Related articles Record and Monitoring How to set them up when multiple sets of lark 150 are used at the same place? How to Pair the Transmitter and Receiver? Delay Test Could I Choose SDI IN HDMI Out or HDMI IN SDI Out? Comments 0 comments Article is closed for comments.