We use a Canon XM2 (digital pro/prosumer camcorder, ~2000-2005). It has both S-Video and composite outputs where by default, no overlays (icons, settings etc) are shown (they’re always visible in the onboard display or in the viewfinder.
Had you seen this other thread? Using vintage camcorders in the now
I’ve just tagged #camera a few other threads so maybe check them out too:
https://scanlines.xyz/tag/camera