How to delete Volume control points

[habanr]

I've VideoStudio x5 and I try to delete volume control points from my clip in the Sound Mixer. Tooltip says "Delete this control by dragging outside the clip" but it doesn't work. Can anybody help me? Thanks.

[lata]

Hi

Float the mouse over the keyframe till it changes to a "hand" symbol, drag to the top or bottom and drop.
Or
Right click the clip and choose Reset Volume will remove all

I must admit editing the volume levels within the Sound Mixer is not the easiest thing to do, i try to avoid rubber banding setting my levels from the Music and Voice tab, with Sound Mixer closed.

[habanr]

Thank you very much