It can’t be bargained with, it can’t be reasoned with, it doesn't feel pity or remorse or fear, and it absolutely will not stop... Unless you use the switch on the back.
This is running in twilight mode - for unmanned starts at 10 times speed. In current configuration it has 2 modes:
In Stern chaser mode it grabs the current time by GPS and displays it. Since GPS clocks are incredibly accurate and are used to sync time around the world there should be no arguing with the race officers! Should be..
In 5 4 1 GO auto mode it will count down from 5 minutes to 0 blow the hooter at 5 4 1 an 0 again and will continue to loop until stopped.
In 5 4 1 GO manual mode it will count down from 9 minutes to 0 and blow the hooter