+### 2.5 Backlight Action
+These actions control the backlight.
+
+#### 2.5.1 Change backlight level
+Increase backlight level.
+
+ ACTION_BACKLIGHT_INCREASE()
+
+Decrease backlight level.
+
+ ACTION_BACKLIGHT_DECREASE()
+
+Step through backlight levels.
+
+ ACTION_BACKLIGHT_STEP()
+
+Turn a specific backlight level on or off.
+
+ ACTION_BACKLIGHT_LEVEL(1)