Arrayed himself for arrayed, A.V.; and sat for sat, A.V. and T.R.; on the throne for upon his throne, A.V. On the throne. βῆμα does not mean "the king's throne," and is nowhere so rendered in the A.V.
but here. It means any raised stage or platform upon which a judge, or an orator, or any one wishing to address an assembly, stands. Here it means a high platform in the theatre at Caesarea, from whence the king, raised above the rest of the audience, could both see the games and make his speech to the people.