KREQC demo setup
matches the 640x480 demo video from the tik20220707 distribution
Background is tagged 0, patches over two of the qbits with 128 and 255.

Expose the background for 1s starting at 1s with gain 1 
Expose the first patch for 0.5s starting at 6s with gain 2
Expose the second patch for 0.25s starting at 4s with gain 4
