Délka DVi kabelu

The maximum length recommended for DVI cables is not included in the specification, since it is dependent on the pixel clock frequency. In general, cable lengths up to 4.5 metres (15 ft) will work for display resolutions up to 1920 × 1200. Longer cables up to 15 metres (49 ft) in length can be used with display resolutions 1280 × 1024 or lower. For greater distances, the use of a DVI booster – a signal repeater which may use an external power supply – is recommended to help mitigate signal degradation.

https://en.wikipedia.org/wiki/Digital_Visual_Inter face#Cable_length

Odezva ani skreslovani sa s kablom nijak nemeni. Digitalny signal bud mas, alebo nemas. Nieco vidis, alebo nic nevidis (tie stavy sa mozu aj striedat)