これ試した人いる？やってみたけど、効果がよく分からんかった

RTSS 7.2.0 new "S-Sync" (Scanline Sync) is a GAME CHANGER for people with regular monitors (aka non VRR and <120Hz).
https://old.reddit.com/r/nvidia/comments/9wb5d5/rtss_720_new_ssync_scanline_sync_is_a_game/
Requesting Scanline Sync Tutorial
https://forums.guru3d.com/threads/requesting-scanline-sync-tutorial.423722/