The CTC-5 Contrast Control Modification

[Phil Nelson]

Originally Posted by Penthode

I'd be curious to hear back from those with CTC-7 and upwards chassis sets after performing my little blanking bar examination test

I have a working CTC-7 and CTC-11, but I'm not sure how to do what you're asking. With the vert hold control I can adjust to a slow roll, but it won't lock with that bar in the middle of the screen. It's pretty hard to judge average brightness, etc., with everything rolling.

Phil Nelson