Hi
JKL editing not currently available with VP but you can play the sequence at varying speeds up to 5X with the setting Borate has suggested.
If you know what clip you want to go to just right click it in the bin and select Jump to Clip in Sequence. If you have the same clip (or part of the clip) in two or more places there will be a choice of points that the cursor can be made to go. Not a keyboard action though.
You can skip clip - clip forwards and backwards with SHIFT and the arrow keys. Holding down the keys will skip forwards and backwards pretty quickly.
You can also switch to Storyboard mode and skip forwards and backwards with the same keys or mouse wheel.
Marking a clip. Until NCH come up with something (suggested some time ago) you can mark a clip start position, or a specific point in a clip by by adding a very short blank image to a higher track (or a very short text clip with description) Group this to the clip in question.You can now now step through to the start of the blank (or text). Moving the clip or splitting the clip will move the "marker" without changing the position on the clip. This is a bit similar to placing an editing X on a particular frame in cine editing.
Save a clip or a section of a clip to the bin by dragging it directly to the bin area. A green clover leave will show when it is dragged. This isn't a save to the PC but it can be exported by placing it at the start of a higher unused track an then hiding all the other tracks on Output by clicking the eye icon for those tracks at the left end.
Clips in the bin cannot actually be saved per se as it is assumed that they are present outside VP on the PC already but following shortening or splitting etc. the above method is a possible way of doing this. Make a suggestion to NCH.
If your sole aim is to enlarge the preview area at the expense of the timeline then dragging down the white bar below it will succeed up to a point but after that the pane can only be enlarged further by right clicking the the unlock arrow at the top right corner. This opens a resizable window containing that particular preview pane. A full screen display will also be available.
If the aim is to reduce the height of the tracks then click the solid triangular arrow at the extreme left which will reduce the height of that particular track.
Nat