Thanks Lindy. I could not find any rule allowing the multipurpose indicator in this instance either. You're right, the hexadecimal string is plenty clear without the ELIs, especially since the letter x is not part of the hexadecimal system. A brief TN and problem solved! Thanks for your help. 🙂
,TE/+1 TE/+1 #A #B #C4
I only see the ASCII as I form this message. Let's see if posting turns it into braille.