+/* Brightness: useful range is around -75 to 100.
+ Contrast: useful range is around 0 - 500.
+ Color: useful range is around +/- 500.
+ Tint: range is mod 360.
+
+ The values in the 'analogtv' struct are the resource divided by 100.0,
+ except for tint, which is exact.
+ */
+