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A-10
Appendix A — Shaped and Unshaped Video
Figure A-9 shows what the video looks like on the monitor when
the input fill video is shaped, but UNSHAPED is selected in the Map
Inputs menu.
Figure A-9. Incorrect Video With Shaped Input and UNSHAPED Selected
Incorrect Operation With Unshaped Fill Video
Figure A-10 shows what happens when the DPM is set for an
unshaped video output but SHAPED is selected in the Map Inputs
menu. The SHAPED selection turns off the input Shaping circuit,
so the Unshaped input signal is added directly to the Background
signal (with key hole). This causes excessive luminance where the
fill video and key hole edges overlap, producing a white halo
around the key.
Note dark
halo effect
.