The unclued lights (including a pair) are of a kind.

Across

3              No manual required for addict at pre-season match (4-8)

10            Old store attendants operating on different levels (4-3)

11            Extra name in article about garden feature (7)

13            Room spray distributed to armies (8)

16            Newspaper aunt’s torment (5)

19            Mum, almost for ever, in ward (9)

22            Cast is enormous, but not good (3)

24            Unemployable boffin regularly by river (2,2,3)

25            Have some sense – charge pounds! (4)

28            No Dream arranged like Ansermet’s Suisse orchestra (7)

30            Scottish barley from borders of Berwickshire (4)