Screen off = data off

Combine this with the screen on = data on rule. I combine this with the screen off/on = sync off/on rules to save battery.

Screen on = sync on

Combine this with the screen off = sync off rule. I combine this with the screen off/on = data off/on rules to save battery.

Screen off = sync off

Combine this with the sync on = sync on rule. I combine this with the screen off/on = data off/on rules to save battery.

Screen on = data on

Combine this with the screen off = data off rule. I combine this with the screen off/on = sync off/on rules to save battery.