Thanks for your prompt response. The forum led me to some older posts about the same issue. This link was the most helpful,
https://www.mobileread.com/forums/sh...d.php?t=293236
My challenge is that I don't know anything about creating a field that will allow a complete set of alphameric characters.
I have also looked at Tweaking in Preferences and creating a template. Again, I have no idea how to use either of these features correctly.
Again, thank you,
Abe