No, I hadn't used presets before in that project. Seems to have just been a fluke, though. Experimenting on other projects, new transform presets were automatically named beginning with 1, and I am able to get them to work with key commands. But if I delete a preset, it gets removed from the list and the next presets don't get moved down in the order, so you can easily lose track of which preset is triggered with which key command. And after you've renamed them, there doesn't seem to be a way to tell which preset is referenced by which number. So I guess I just have to remember if I delete presets. Like, if I delete preset 3 then the third one on the list is actually preset 4 ...