Help With Fine Editing

I’m working with a fully zoomed-in wave form in the sample editor. I want to select one sample, one tiny little dot, and move it up or down by one increment at a time. Is there a way to do this from the keyboard, or some kind of data entry, without using the mouse and draw tool? It gets very tedious trying to make an edit like this by hand, and it’s a lot of hit and miss. Thanks.