Display 4:3 content as - Pan&Scan
cat /proc/stb/video/policy
letterbox
Display 4:3 content as - JustScale
cat /proc/stb/video/policy
bestfit
Display 4:3 content as - Pillarbox
cat /proc/stb/video/policy
panscan
cat /proc/stb/video/policy
letterbox
Display 4:3 content as - JustScale
cat /proc/stb/video/policy
bestfit
Display 4:3 content as - Pillarbox
cat /proc/stb/video/policy
panscan