The following cross-reference chart will help you to easily determine which flags to use for your user records and menus using the ProBoard style (A-Z and 1-6) of flags.
Note: The flag structures in ProBoard are actually no different than those in QuickBBS or RA, they are just expressed in a more “user friendly” format.
╔═══╦═══╤═══╤═══╤═══╤═══╤═══╤═══╤═══╕
║ ║ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │
╠═══╬═══╧═══╧═══╧═══╧═══╧═══╧═══╧═══╛
║ A ║ A B C D E F G H
╟───╢
║ B ║ I J K L M N O P
╟───╢
║ C ║ Q R S T U V W X
╟───╢
║ D ║ Y Z 1 2 3 4 5 6
╙───╜
A few flag examples follow:
QuickBBS/RA ProBoard
─────────── ────────
A1 A
C3 S
D7 5
C8 X
well…. you get the idea.