            CHECKERBOARD

This pattern shows all the
visible pixels in an alternating
white and black grid array.

You can toggle the pattern with
button #GCL#G, or turn on auto-toggle
each frame with the #GA#G button.

When auto-toggle is set, you
should see it alternating rapidly
On some setups, the pattern
doesn't change at all. This means
that the signal is being treated
as 480i/576i and odd or even
frames are being discarded
completely.

A frame counter can be displayed
on screen by pressing button #GCR#G.
