IWC Schaffhausen DA VINCI CHRONOGRAPH EDITION LAUREUS SPORTS FOR GOOD FOUNDATION Instrucciones De Manejo página 23

Reading the chronograph
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Seconds counter: The graduations for the central seconds stop hand are
present on the edge of the dial.
Minutes and hours counter: The 12-hour and the 60-minute graduations
with two continuously operating hands are situated at 12 o'clock on the
auxiliary dial. The hours and minutes counter can be read like the normal,
analogue time display, which means that one revolution of the minutes
counter corresponds to 60 minutes, and one revolution of the hours counter
corresponds to 12 hours.
Operation of the chronograph
Start: Start the chronograph by pressing the start-stop button.
Flyback: With the chronograph running, a new measurement can be
started immediately. To do this with the chronograph running, you must
depress the reset and flyback button fully as far as it will go. All three
chronograph hands are then reset, and a new measurement is started as
soon as the button is released.
Stop: The running chronograph is stopped by depressing the start-stop
button.
Reset: Depress the reset and flyback button fully as far as it will go.
This will reset all the chronograph hands to the zero position.
Aggregate time recording: You can add the stop times by pressing the
start-stop button again after the first measurement, instead of the reset and
flyback button.