I don't know about that. If you adjusted the "settings" of CRTs, some of the effects in Cool Retro Term would be achievable.
For those unfamiliar with CRTs, you could adjust the value of some components. These adjustments could affect things like the beam brightness, sharpness of the picture, horizontal and vertical synchronization, and geometry of the screen. Typically this was done via user accessible knobs on the front or back of the monitor, though some were only accessible after opening the case. Adjusting these knobs is better described as calibration, rather than changing settings, since you were adjusting the physical properties of components that directly altered analog signals.
For those unfamiliar with CRTs, you could adjust the value of some components. These adjustments could affect things like the beam brightness, sharpness of the picture, horizontal and vertical synchronization, and geometry of the screen. Typically this was done via user accessible knobs on the front or back of the monitor, though some were only accessible after opening the case. Adjusting these knobs is better described as calibration, rather than changing settings, since you were adjusting the physical properties of components that directly altered analog signals.