The secondary console was first seen in season 14 ( 1976 77 ) of the original series.
2.
In the secondary console room, most of the roundels were executed in recessed wood panelling, with a few decorative ones in what appeared to be stained glass.
3.
It has a much larger display screen, and also can connect to optional " direct station selector ", which is a secondary console with 50 or more buttons that allows quick call transfers to any of numerous extensions.
4.
The TARDIS has at least two console rooms : the primary one most used throughout the programme's history, and the secondary console room used during Season 14 in 1976 / 77, which has wood panelling and a more antique feel to it.