Porsche Boxster Owner's Manual page 115

Push operating lever forward. Push operating lever forward. The time runs
on all stopwatch displays. The on-board
computer display changes to the "Stop
timing/Intermediate time" selection.
Note
PCM: The performance display in the "Trip/Sport
display/Begin trip" menu must be selected in order
to analyse the data in the PCM.
Stopping the timing
After time measurement is started, the on-board
computer display changes to the "Stop tim-
ing/Intermediate time".
Select "Stop timing" with the operating lever.
Push lever forward. The time is stopped in all
stopwatch displays, and the on-board compu-
ter display changes to the "Continue/Reset"
selection.
Controls, Instruments
113