iwc Referenz 3878 Mode D'emploi page 25

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u S i n g t h e C h r o n o g r a p h
Start: To start the chronograph, press the start/stop button.
Flyback: You can start recording a new time immediately, even
when the chronograph is running. With the chronograph running,
simply depress the reset/flyback button fully as far as it will go.
All three chronograph hands are reset to zero, and a new meas-
urement is started as soon as the button is released.
Stop: To stop the running chronograph, press the start/stop
button.
Reset: Depress the reset/flyback button fully as far as it will go.
This will reset all the chronograph hands to zero.
Aggregate time recording: You can add stop times together by
pressing the start/stop button again after the first measurement
instead of the reset/flyback button.
p i l o t ' S W a t C h C h r o n o g r a p h
e d i t i o n a n t o i n e d e S a i n t e x u p é r y