Color bars in FCP

I have made a DVD with the FCP NTSC color bars in order to calibrate my TV but no natter how high I turn up the brightness (black level) there is no way for me to see super black distinct from black. I also note that when I view the color bars on my Apple monitor the super black and black fields both have RGB values of (0.0, 0.0, 0.0). My observations suggest that the FCP color bars are not correct, since they can't show me whether I have set the black level too high. Is that right? If so, where can I get a correct file of color bars?
Thanks,
John Link

The same color bar files have been used in FCP for a number of years now. If this were the case, there would be a lot more noise about it.
I would think so, but with the FCP NTSC color bars I am not able to perform step 3d of the file for which you provided a link:
Adjust the Brightness control down until there is no visible difference between the left and middle PLUGE bars. The right PLUGE bar (11.5 IRE) should just be visible. The 3.5 (Superblack) and 7.5 (NTSC Black) bars and background should all appear to be the same level of black and blend together evenly. The 11.5 bar should just barely be visible.
Since the left and middle PLUGE bars are identical in the FCP NTSC color bars, there is no visible difference between the left and middle PLUGE bars regardless of how I set the black level.

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