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Quartz chronographs L440
Adjusting the time and stop seconds
Unscrew the crown if necessary.
To synchronise the watch with an ofcial time signal (radio, telephone,
etc.), pull the crown to its furthest position 3, at the moment when
the small seconds hand is at 60, then push the crown back in again
to position 1 at the time signal, and screw in.
The calendar changes every time the hour hand passes midnight.
Minute and seconds adjustment
After unscrewing the crown (if necessary) and pulling it to its furthest
position 3, the 3 counter hands will move to the midday position. Turn
the crown to correct the hour and minute hands. Turn the crown
either way to correct the minute. Then push the crown back in again
to position 1, and screw in.
Changing the time zone and the date
Unscrew the crown (if necessary), and pull it out to the intermedi-
ate position 2. The hour hand will make one-hour jumps, enabling
quick time zone adjustments. The hour hand can be moved in either
direction without affecting the minute and seconds hands. Turning
the crown through 24 hours will cause a date change. The crown
be turned either way. Then push the crown back in again to position
1, and screw in.
Chronograph functions
Standard Start-Stop function
Simple time measurement – Timing 100metres.
ADD function (partial times)
Adds several times together – Timing periods of a hockey match or
a stage race, for instance.
Split function (intermediate times)
This function is used to time intermediate race lap times in a single
event. Intermediate times are accumulated throughout the event.
Standard Start-Stop function
Used for timing a single event:
Press push-piece A : to start the chronograph.
Press push-piece A : to stop the chronograph.
Press push-piece B : to return to zero.
ADD Rally function (partial times)
Used for measuring successive events, but not the intervals between
them. Each result is automatically added to the preceding one. To
time the various stages of a car rally, for example:
At the start of the rst stage, press push-piece A to start the
chronograph.
At the start of the rst stage, press push-piece A again and the
chronograph will stop to 1/100th of a second.
Repeat this procedure for each stage of the rally.
At the end of the nal stage the chronograph will show the total
time of the rally, in other words, the accumulated time for all
the stages.
Press push-piece B to return to zero.
Book_I.indb 81Book_I.indb 81 27.01.20 09:4727.01.20 09:47
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