Roku’s ‘hidden’ modes instantly upgrade picture quality – and bonus ‘secret’ setting will stop arguments in your home

… ”
Playback commands
“fast forward”
“rewind… minutes”
“skip 5 minutes”
“fast forward 3 minutes”
“go … the-air broadcast channels
“channel up”
“channel down”
“tune … contrast, all while maintaining fast response times.”
3
…