When did CRT technology advance to no convergence required?

[Jon A.]

Originally Posted by John Marinello

Actually, the newer sets had built-in pattern generators, and were converged via the remote control. The user would enter a set-up code, then you were able to move a cursor through the crosshatch on the screen with the remote. You were then able to tweak each color in a relatively small area.

Interesting. Do these built-in generators produce anything other than the crosshatch pattern?