(9) K- the front porch of the horizontal blanking pulse (0.02H).
(10) L- the back porch of the horizontal blanking pulse (0.05H).
(11) M- the pulses which occur during the remaining vertical blanking time.
Figure 3-26.
Pulse cross display
g. Each pulse width may be compared to its normal duration. After you have
had some experience in using the cross display, you may devise a ruler calibrated
in normal pulse widths to check the pulse cross display.
Of course this ruler
would apply only to a particular monitor. You can also use the pulse cross display
to check the number of lines in the equalizing and vertical pulses.
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