T-bar panel of the DaVinci control panel

Hi,
The DR 17.1 reference manual makes several references to
Can someone tell me if this a hardware control panel or wether it refers to a screen/panel within the application and if so where exactly is it?
Thanks in advance
The DR 17.1 reference manual makes several references to
T-bar panel of the DaVinci control panel
Can someone tell me if this a hardware control panel or wether it refers to a screen/panel within the application and if so where exactly is it?
Thanks in advance