EMI 2005 Television Camera Operational control panels.

Left :- Early colour balance panel type 2102, same as EMI 2001. This CBP was less liked and was replaced by individual rotary controls as per the BBC mod for the 2001.
The concept of the triangles that the joysticks could move through was to mimic the triangular colour space for the gain and Black (lift) adjustments. The mechanism was somewhat complex.

Cent :- Late colour balance panel type 2110, based on a BBC panel made for the EMI 2001.
Right :- OCP, Iris & Lift panel type 2105, supplied for EMI 2001 & 2005.

Pressing down any control operated a microswitch that switched that camera to the preview monitor. This was known as " joystick override".