[QuadList] NBC Control System

[Dennis Degan]

			On Apr 7, 2009, at 10:30 AM, C. Park Seward wrote:

 > Back in the early days of 1" VTRs, we didn't have everything capable 
of correct SCH phase. Some sync generators, cameras, CGs and TBCs were 
not RS-170A and vectorscopes didn't have a convenient SCH phase 
indicator.  Also, things drift. So the only way to insure perfect 
RS-170A coming out of the switcher was to use a Sync-Proc.  Worked 
well.

			I ask:

	But didn't that produce wide horizontal blanking?  Or a horizontal 
shift?

			Dennis Degan, Editor-Consultant-Knowledge Bank
	  				NBC Today Show, New York