Audemars Piguet royal oak offshore alinghi polaris Instructions For Use Manual - page 9
Manual is about: limited edition
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4.3.4 Final minute before start
One minute before the official crossing of the start / finish line,
when the chronograph starts to countdown the last ten minutes
(5), counter (6) starts up. This warns the person wearing the
watch that the race will officially start in one minute. Again, no
function is activated on the watch.
4.3.3 Third warning signal
The signal indicating five minutes remain before the official
crossing of the start / finish line is for information only. No func-
tion is activated on the watch. The counters (4, 5 and 7) indicate
the remaining five minutes. All contact between the crew and
their base must cease.
(5)
(7)
(4)
(5)
(6)