Low-Contrast Settings: because your eyes are tired
High-Contrast Settings: because your eyes are masochists
Custom-Contrast Settings: for when you want to make us all cry
Warning: excessive use of low-contrast settings may cause eye fatigue, spontaneous combustion, or spontaneous combustion of the VHS player itself.
Disclaimer: vhs-player not actually a real product and not affiliated with actual VHS players or manufacturers of same.