Figure App.Z.1 shows a PAL vectorscope display of 100% PAL colour bars.
Figure App.Z.2 shows a component vectorscope display of 100% colour bars. Note the display is circular rather than an ellipse and there is no burst vector.
1 100% bars are only used in a broadcast production environment.
2 95% bars were used by the BBC (e.g. at the top of the Test Card).
3 75% bars (or EBU bars) are used for circuit testing and identification between broadcasters.
Figure App.Z.6 shows a parade display of 625-line component 100% colour bars. A 350 mV offset is often used to align the peaks of the colour ...