I only found out myself in the owners' group on Facebook.
No cursor keys should have been a giveaway. Later hardware revisions can run a later ROM which adds cursor control using alpha keys, in a way that by the sound of it reminds me of WordStar or Vi in the 1970s.
No cursor keys should have been a giveaway. Later hardware revisions can run a later ROM which adds cursor control using alpha keys, in a way that by the sound of it reminds me of WordStar or Vi in the 1970s.