How to delete all animations on the 3Dmax timeline?

First, double-click to open the 3dmax application.

2. The opening time configuration panel in 3dmax application is shown in the following figure.

Third, then in the pop-up time configuration window, just change the time display to one frame and press enter to confirm.

Fourthly, after setting the 3dmax frame unit, deleting the frame unit on the 3dmax time axis is completed.