Topic Tag: BBC Digital On screen Graphics. Search for: Forum › Forums › Topic Tag: BBC Digital On screen Graphics. Viewing topic 1 (of 1 total) Topic Voices Posts Last Post BBC adds high Contrast dog to HD channels Started by: grahamlthompson in: Broadcast, Internet, Media 2 5 4 years, 7 months ago grahamlthompson Viewing topic 1 (of 1 total)