Under PTT Settings (1) you can set timing settings for PTT (Push To Talk) buttons (2). Confirm Changes with OK (3).

For further information on the Push To Talk feature please refer to:

https://docs.lawo.com/vsm-ip-broadcast-control-system/vsmstudio-user-manual/vsmstudio-panel-editor/vsmstudio-panel-editor-6-button-functions#vsmStudioPanelEditor6ButtonFunctions-PTTPushtoTalk