UPDATE@10:57 The feed is now stable on IS-1002. There are burnt in subtitles. The set of subtitles at the top of the picture are for Test purposes only: they will not be there on the live transmission. The Service Id is “GLYNDEBOURNE”
The Test for next week’s broadcast of “Hamlet” is from 1100-1200BST. It is carried on IS-1002 only. There are burnt-in English subtitles as part of the feed.