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2
Battery mark/
level of power reserve
Extremely low
❹
・Buttons will not
❺
・Stopwatch in
❻
78
・How to set the time period before the Power Save function is activated
Use the Time/Calendar Setting display to select the time period before the
Power Save function is activated or turn it off.
2
The time period before activation can be selected from 30 minutes, 1 hour, 2
hours, and 4 hours.
The default setting is 30 minutes.
Refer to "How to set Power Save function" on P. 87.
※In the following cases, neither the Power Save nor the Sleep function will be
activated.
・When the amount of power reserve is sufficient (
・While the stopwatch or timer is in operation.
80
Limitations on
Charging
use of functions
・Backlight does not
Charge the watch sufficiently until
light up.
battery mark becomes full.
・Alarm and hourly
After charging, time or other setting
time singal do not
procedure is not necessary.
→ See "How to charge" on P. 75.
sound.
Charge the watch sufficiently until
work.
battery mark becomes full.
※If any abnormal display appears, reset
operation is
the built-in IC.
→ See "How to Reset Built-In IC" on P. 122.
reset.
Charge the watch sufficiently until
Watch stops
battery mark becomes full.
operating
※If any abnormal display appears, reset
completely.
the built-in IC.
→ See "How to Reset Built-In IC" on P. 122.
※When the power reserve has reduced to this level, the measurement data
in memory may be deleted or may not be recalled and displayed properly.
); and
■Power save and sleep functions
Power Save function: If the watch is left untouched without being exposed to light and any button
operation for a preset period of time or longer, the Power Save function is
activated to save battery power.
Sleep function:
If approximately 72 hours have passed after the power save function is
activated, the Sleep function is automatically activated.
[ Display and functions while Power Save function is activated ]
Watch status
PS mark flashes.
The watch has been left
❶
untouched without being
exposed to light and any
button operation for a preset
period of time or longer.
[ Display and functions while Sleep function is activated ]
SL mark flashes.
The watch has been left
untouched without being
❷
exposed to light and any
button operation for at
least 72 hours after Power
Save function was activated.
How to Use Rotating Bezel
● I f your watch has a rotating bezel, the time that has elapsed from a certain point
in time can be measured by using the rotating bezel in the Time/Calendar mode.
※Please note that the time measured with the rotating bezel provides the guideline of the
elapsed time only.
Rotating bezel
① P ress Button Ⓓ to show the Time/Calendar mode.
※ I n the Time/Calendar mode, the dots on the dial's edge indicate the current minutes
graphically.
Limitations on
To resume normal
use of functions
operation
None
Expose the watch
to light or press
any of the buttons
to deactivate Power
Save or Sleep
function.
・Alarm and hourly time
signal do not sound.
（for models with a rotating bezel）
▽
mark
Dots on dial s edge
Button Ⓓ
2
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2
81
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