Click Dayparts on the Inventory Screen menu to display a grid of each hour in the day. Clicking on any hour marks the check-box for that hour. The current title will NOT be scheduled in any hour marked on the grid as restricted. To un-restrict an hour (allow play) click any hour that is already marked, and it will be unmarked. (To use the keyboard press {TAB} to move to the hour you need, then press {Spacebar} or {Enter}.
If you
change you mind, click Cancel to discard changes. Click Apply to activate the
daypart restrictions you have indicated.