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• Measurement of two competitors
Start
(Split)
C
B
Start
First runner finishes.
3
Displays finishing time
of first runner
Button C Button B
Ex. Measurement of two
competitors
24
EN
■ Guide to charging times
Charge the watch using the times below as a guide.
Illuminance
Condition
Light source
lx (LUX)
(Example)
Fluorescent
4
700
General offices
light
Fluorescent
3,000
30 W 20 cm
light
Fluorescent
10,000
30 W 5 cm
light
10,000
Sunlight
Cloudy day
Sunny day (Under
100,000
Sunlight
direct sunlight on a
summer day)
The "Time required for the stopwatch function to be available" figure is an estimate of the amount of time
required to expose the stopped watch to light and charge the watch until the stopwatch function is available.
Although the function can be used without charging the watch for this amount of time, the stopwatch function
may quickly become unusable. Charge the watch using these times as a guide.
* The required charging time slightly varies depending on the model of the watch.
26
EN
(Stop)
(Split release)
C
B
Second runner
Check time of
Reset the
finishes.
second runner.
stopwatch to
0 minute 0 second.
(Still displaying finishing
Displays finishing time
time of first runner)
of second runner
Button C Button B
Button B
Start
First runner finishes. Second runner finishes.
Time required
Time required
Time required
for the
for fully
for charging the
stopwatch
charging the
watch to last for
function to be
watch
available
-
200 hours
260 hours
50 hours
80 hours
15 hours
80 hours
15 hours
8 hours
2 hours
Reset
■ How to charge the battery
B
Expose the dial to light to charge the watch.
To ensure optimal performance of the watch, make
sure that the watch is kept sufficiently charged at all
times.
* Be careful to make sure that the watch does not get hot when it is charging. (The operating temperature range is
-10°C to +60°C.)
* When you first start using the watch or starting it after it stopped due to a lack of charge, charge the watch sufficiently
using the table on P.26 as a guide.
When the energy level is low, the stopwatch
seconds hands (1/100-second, 1/10-second,
second) point to the 6 o'clock position.
If energy is completely depleted after that, all
1 day
hands move to the 12 o'clock position and the
watch stops.
4.5 hours
When the stopwatch seconds hands
(1/100-second, 1/10-second, second) point to the
6 o'clock position, sufficiently charge the battery.
70 minutes
20 minutes
How to charge the battery → P.25
Guide to charging times → P.26
20 minutes
• When the stopwatch hands point to the 6 o'clock position, the stopwatch will not operate. (This is not a
6 minutes
malfunction.)
• If the energy is depleted while the stopwatch is operating, the measurement may be reset.
Charging the battery
Under the following situations, the energy of the watch is
likely to be depleted, resulting in stoppage of the watch:
• The watch is concealed under a sleeve.
• The watch is used or stored under conditions where
it cannot be exposed to light for a long time.
About energy
4
25
EN
4
27
EN
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