Loading ...
Loading ...
Loading ...
92
L442 Quartz chronographs
SPLIT-SECONDS function
Between START and STOP, press push-piece C to activate the
SPLIT-SECONDS function. The SPLIT-SECONDS and 30-MINUTE
counter hands will stop. The 1/10th of a SECOND counter hand will
move to the nearest measured one tenth. Meanwhile, the 60-SECOND
counter will not stop running.
After reading the measured time, press push-piece C to reactivate
the measured time display. The SPLIT-SECONDS and 30-MINUTE
counter hands will catch up to the positions corresponding to the
ongoing elapsed time. The 1/10th of a SECOND counter hand will
return to zero.
Pressing push-piece B before the chrono has been stopped will
restart the counters at zero, and the intermediate time will be lost.
Pressing push-piece B after the chrono has been stopped will
cause a RESET.
MEMO function
If STOP has been engaged during a SPLIT-SECONDS function, the
counters will move to display the measured STOP time. Press push-
piece C for a reminder of the previous intermediate time. Pressing
this same push-piece again will display the nal time again.
Pressing push-piece C alternates between the intermediate time
display and nal time display for the ongoing timing operation. This
is the MEMO function.
After STOP has been engaged, pressing push-piece B will cause a
RESET, and all the counters will return to zero. The timing operation
will nish, and the chronograph will return to watch mode. If RESET
is engaged before you have read the stop time, the 60-SECOND
and SPLIT-SECONDS counter hands are not superimposed as they
move to zero.
Note:
There is no possible confusion in reading the intermediate and stop
times. When you read the chrono stop time, the 60-SECOND and
SPLIT-SECONDS counter hands are actually superimposed, whereas
for the intermediate time, they are never superimposed.
However, if a chrono STOP function occurs exactly one or more
minute after an intermediate time (i.e. the 60-SECOND and SPLIT-
SECONDS counters are indicating the same value), the 60-SECOND
counter is deliberately offset by one position when reading the
intermediate time in MEMO function. In this way the hands of these
two counters are only superimposed for the stop time, and the rule
above is obeyed.
Important notes
a) It is possible to combine the various Chrono functions (SIMPLE,
ADD, SPLIT-SECONDS and MEMO) in the same timing operation. For
example, during a MEMO function you can restart the time measure-
ment (ADD) without losing the memorised time.
b) Unless timing is deliberately stopped (pressing STOP), the
chronograph hands will keep running. Continuous running of the
chronograph will greatly reduce the autonomy of the movement.
Hands initial positioning mode
The four chronograph counters are initialised to their start point
digitally, by means of the push-pieces.
The four chronograph counter hands are positioned in sequence via
the push-pieces with the crown pulled out to position 2.
After pulling the crown out to position 2, the four counter hands –
SPLIT-SECONDS and CHRONO 60-SECOND in the centre, CHRONO
1/10th of a SECOND at 2 o'clock and CHRONO 30-MINUTE at 10
o'clock will move to their start point, normally zero, at 12 o'clock. The
two centre hands will make this movement together. If the watch was
in RESET status, the hands are already zeroed. If there is a timing
operation in progress, the hands will move to their start point. Then
they will all complete one quick circle of the dial. During this complete
rotation, none of the hands will move at the same time. The rst
hand to make its rotation is the tenths hand, then the split-seconds
hand, the chrono seconds hand and nally the chrono minute hand.
Pressing push-piece A will move the selected hand to indicate which
hand will be moved by pressing push-piece B.
Each successive press on A selects the next hand.
Book_I.indb 92 13.08.19 10:57
Loading ...
Loading ...
Loading ...