By pressing "Scroll Lock" you can use the arrow keys to scroll backward
through the console output. Press "Scroll Lock" again to turn it off.
Don't have a "Scroll Lock" key? The "Pause / Break" key acts alike.
If you have a fediverse account, you can quote this note from your own instance. Search https://mastodon.bsd.cafe/users/fbfortune/statuses/114801693370194668 on your instance and quote it. (Note that quoting is not supported in Mastodon.)