Special functions:
(P1) Starting and stopping the chronograph. Pressing once starts the
large second hand (D), which sets the minute counter (F) in motion after
60 seconds have elapsed. Pressing a second time stops the large
second hand and the minute counter, and the 1/10 second counter then
shows the recorded time.
(P2) Returning the chronograph to zero and split-time function. Pressing
once when the chronograph has already been stopped (see P1) returns
the three chronograph hands (large second hand, 1/10 second counter,
minute counter) to zero. Pressing once when the chronograph is running
(see P1) stops the three chronograph hands (large second hand, 1/10
second counter, minute counter) to show the split time; pressing a
second time displays the elapsed time again. This split-time function may
be activated as many times as required.