Navigating with keystrokes in engrave mode?

A very simple question, but I can’t find an answer.
In Engrave Mode I can go with keystrokes to the first page (ctrl + home), to the last page (ctrl + end), but is it possible to navigate with keystrokes to the next 2 pages? (I use the mode with 2 pages next to each other and than going downwards for the next 2 pages).

In theory Page Up/Page Down ought to work, but there’s a long-standing bug that means that at low zoom levels these don’t work. For what it’s worth, I’ve trained myself to use horizontal spreads (though I, like you, prefer vertical).