Consumer Electronics

COLOUR OPERATING CONTROLS

In addition to the controls normally found in a black-and-white television receiver (see Fig. 32.5), the colour receiver has two operating controls for the colour rendition of the picture. The colour control, sometimes called chroma or saturation control adjusts the amount of colour information in the scene. With the control turned fully counter-clockwise, the picture turns black-and-white. As the control is rotated clockwise the picture goes from delicately tinted shades, through stronger pastel shades, to bright colours and finally to colour overload manifest as an iridescent appearance and streaking.

The second control is the tint or hue control (see Fig. 32.3). This control changes the actual hue or colour of the ...