None : 0

No flags

ShowCoversValue : 1

Show the actual (non-zero) covers value for an open transaction on the floor plan table item

FillSeatIconsFromCovers : 2

If the show seats is enabled, the seat icons will be coloured to match the number of covers on the open transaction.
For example if a table supports 4 seats, but the order has 2 covers, then two of those seat icons will be coloured in to indicate 2 covers