Connect the device to the computer. There is a "RECSET.TXT" in the disk. This file is very important. We can set voice activation, bitrate, date, time. Through this document. You need to correct "date" and "time" after opening this file and making some changes, otherwise some settings will be useless. (Check the red part of the above image.)
1. How to set voice activation mode (0: voice activation disabled, voice activation sensitivity 1-5, higher means less recording)
---change "BEFORE:0 to BEFORE: 1, OR 2, OR 3..."
2. How do you set the bitrate to 384kbit? (the default is 128kbps)
---:BIT:3 "to" BIT :5"
3. How to set audio duration to 3 hours (default is 1 hour)
---change "PART:60" to "PART:180"
4. How to set the disk time?
---change 17:02 and 2023-06-28 here
You can watch the video for more detailed operation.