X11 Teletext browser
-finetune -4..4|auto Try some fine tuning if you have a lot of decoding errors (these lightning symbols). This allows fine tuning of the decoder circuit. The pre finetune behaviour was -finetune 0. Default: 1. [-parent] ppp[.ss] Open a new window with the page number given by ppp and an optional subpage index given by ss. The -parent keyword is just for completeness and not normally used. The page number alone is sufficient. Default: 900.