f4 Online Manual
At the top right you will find the toggle switch, which you can use to switch between analysis and transcription mode. Depending on the mode, different functions are available to you.
f4 is divided into three columns:
Note: You can hide or show the right and left columns of f4. To do this, move the mouse to the right or left edge and click on the narrow bar that then appears.
There are 9 symbols with the following functions: