The news follows a successful trial of the new system in practice at Turns 4 and 11.

Although times have been deleted in the past, this will be the first time that the FIA relies on an automatic system, rather than video and reports from track officials.

In this afternoon's drivers briefing, race director Charlie Whiting confirmed that the detection system had worked well at Turn 4 today, but that at Turn 11 still needs some adjustment.

However, it will be operating effectively by Saturday.

"It means it's a machine and it will be same for everyone," said Toro Rosso's Carlos Sainz.

"Apparently at Turn 4 works a bit better than Turn 11 because the system is not well placed. I think for tomorrow they will address this and hopefully it will be working as well as at Turn 4."

Drivers also asked about Turn 5, but the FIA's view is that no advantage can be gained there.

In Sunday's race, drivers are expected to have a couple of warnings before a penalty follows for continued abuse of track limits.

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