The electronic red flag system will be tested this week ahead of the Manx Grand Prix.
They were introduced by the government this year for the TT races, and are used in addition to the existing marshal's red flag system.
Organisers will retest the system between 7-8am on Friday August 19, two days before the start of the next races.
Repairs on Peel Power Station to get underway
Manx Care doctor survey to be discussed by Tynwald
Weather warning for snow tonight
MHK queries safety at primary school in Ballabeg
Gales put two ferry sailings at risk tonight
Should the Island throw a birthday party for Barry Gibb?
Warning issued over icy roads
High ground could see 4 inches of snow on Saturday night