I thought you might be interested in looking at On screen message when sound plays?.
https://forums.bohemia.net/forums/topic/127218-on-screen-message-when-sound-plays/?do=findComment&comment=2105396
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.