Operation Manual

English
English
76
CHRONOGRAPH
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CHRONOGRAPH
1/10-second hand
A
Start / Stop / Restart
B
Reset/
Split/Split release
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After the measurement exceeds 1 minute, the CHRONOGRAPH 1/10-second
hand stays at “0” position.
When the measurement is stopped, it will move to indicate the elapsed 1/10
seconds.
CHRONOGRAPH
minute hand
CHRONOGRAPH
second hand
Ex.: 15 minutes and 10.6 seconds
1
Use the chronograph to determine
how many seconds it takes to go
1 km or 1 mile.
2
Locate the second marker on the
main dial that corresponds to the
measured seconds, and the
tachymeter scale it indicates gives
the average speed per hour.
TACHYMETER
[for models with tachymeter scale on the dial]
To measure the hourly average speed of a vehicle
“90” (tachymeter scale gure) x
1 (km or mile) =
90 km/h or mph
Tachymeter
scale: “90”
Tachymeter scale can be used only when the time required is less than 60 seconds.
Ex. 2: If the measuring distance is extended to 2 km or miles or shortened to
0.5 km or miles and CHRONOGRAPH second hand indicates “90”
on
CHRONOGRAPH
second hand:
40 seconds
s
Ex. 1