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95
Quartz chronographs L538
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 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
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 reset.
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 first stage, press push-piece A
to start the chronograph.
• At the end of the rst stage, press push-piece A again, and the
chronograph will stop to 1/10
th
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 reset.
IMPORTANT! While the watch displays an intermediate time the
chronograph function will still be timing the event.
1
START
1
START
X. Reset
2
STOP Read
4
STOP Read
…
3
START
2
STOP > Read time
– 5 minutes
– 57 secs
– 7/10
ths
of a sec.
3
Reset
Time-setting crown in
position 1
1 to 3 order of functions
Time-setting crown in
position 1
A
B
IMPORTANT! Before each timing operation, the chronograph
hands must be at their start point.
If necessary, see the resetting the counters paragraph.
Book_I.indb 95 13.08.19 10:57
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