Stronghold 2 Scenario Editor Question

[Isaiah 19]

In the Stronghold 2 (and Stronghold Legends) scenario editor, is there another set of keys one can use when setting things like the start date without using the mouse wheel? (I honestly see no reason why there isn't since some people play on laptops and not all computer mice have wheels, but there is no indicator there is an alternative to using the mouse wheel in the documentation.)

[Mathew Steel 151]

This is an issue I've had with the editor for ages. If you look online, the manual will explain how one should be able to click the text box and type a quantity using the number keys. However, none of this works, it never has worked, and it's unlikely that it will work. Until somebody decides to create a fix, we're stuck with the tedious mouse scrolling for every new mission you wish to add, or every time you wish to change the date.