Originally Posted by J.Edward
Absolutely correct. Please allow me to clarify what 'the list' looks like. There are the first 6 characters of your name in the following format: L L L L L F .
I think DL's display only had 3 characters of the last name. But United's display is better as it's even more discrete. It says:
"The passengers in the following seats should remain in the gate area for a possible upgrade: 05F, 08D"