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1
1
1
START
x
Reset
2
STOP Read
3
RESTART
4
STOP Read
…
Time-setting crown in
position 1
1
x
90
L442 Quartz chronographs
Chronograph functions
Standard Start-Stop function
Simple time measurement – Timing a 100 metres.
ADD function (partial times)
Adds several times together – Timing periods of a hockey match or
a stage race, for instance.
SPLIT-SECONDS function
Measures intermediate race lap times.
MEMO function
Memorises intermediate times.
Standard Start-Stop function
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.
1 START
2 STOP > Read time
– 5 minutes
– 57 secs
– 7/10ths of a sec.
3 Reset
1 to 3 order of functions
1 to x order of functions
IMPORTANT! Before each timing operation, the chronograph hands must be at
their start point. If necessary, see the RESETTING THE COUNTERS PARAGRAPH.
Time-setting crown in
position 1
Rally ADD function (partial times)
This function starts like the SIMPLE function.
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.
After the rst time measurement (STOP), provided that push-piece
B (RESET) has not been pressed, you can RESTART (push-piece
A) to add a new time to the previously measured time.
After STOP has been pressed, the 60-SECOND, SPLIT-SECONDS and
30-MINUTE counter hands will stop running. The 1/10th of a SECOND
counter hand displays the value in tenths of a second as it runs.
After STOP (push-piece A) has been pressed, engage a RESET
(push-piece B) to nish timing, and return the chronograph to
watch mode.
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..
Repeat this procedure for each stage of the rally.
Press push-piece B to reset.
Simple timing function
ADD function
Book_I.indb 90 13.08.19 10:57
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