How to undo the "keyboard as mouse" setting on M1 iMac?

Unfortunately I've tried various options of holding down certain keys and haven't found the right combination yet. I did try Shift-O (and Control, Command, etc.). But I know there can be all kinds of variants so if there are other choices, I'm game to try. But at the moment I think I've tried every combination I can think of.

Yep, tried that, as well. They submitted a ticket for me and said it may be a few days to get an answer as to how to use the keyboard or how to sign-in. I can go to recovery to change my password but my AppleID has a "o" in it, as well. As do most because of icloud or .com. I get this is my fault in a way for not making sure I had that option 5X clicked but there really should be a simple way to bypass this functionality by using a command or shift key or some combination. I did find that there is a 2 second lag between the mac turning on and the "keyboard as mouse" functionality working. But I can't type fast enough my entire password (which has another key impacted by this in it) before it kicks in. It's like a really annoying app game at this point.

Again, I did try that. I believe (not certain) that you have to enable that at the time you set up the keyboard as a mouse function. It's not set up as a default for that. And I don't believe I did that.

Brilliant! That worked. Thanks very much. I had an old mac wired keyboard with the number pad on the side and plugged it in, restarted my Mac and it recognized the keyboard and allowed me to type again. Thanks for the suggestion. I had actually connected it previously but realized I didn't restart the mac when I did. Plus I had the wireless keyboard nearby. This time I restarted after moving the wireless keyboard far, far away. :-) Thanks again to everyone who responded, Nice to know if support can't give you ideas, the community can!

Thanks. Now I don't feel so bad. The problem itself is easy to understand. Kind of nuts it takes this much effort to resolve. Luckily I had the old wired Mac keyboard with number pad. But I bet a lot of folks don't. Heck, I had to have the usb-usb-c adaptor to connect to the newer Mac. A simple key combination to override the keyboard as a mouse would be pretty simple I would think.

Thanks, but doing that (touch id 3x) only only turns on Voiceover on/off. When I get to a text field, the voiceover simply advises me to "type". The option-command-F5 doesn't do anything at all.