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Operation Guide 5182
E-10
Power Levels
You can get an idea of the watch’s power level by
observing the movement of the x
x
Second Hand in the
Timekeeping Mode.
If the
x
x
Second Hand is moving normally at one-second
intervals, power is at Level 1.
If the
x
x
Second Hand is moving at two-second intervals,
power is at Level 2, which is quite low. Expose the watch
to light as soon as possible so it can charge.
Moves at two-second
intervals.
@
B +
5
E-11
Level Hand Movement Function Status
1 Normal. All functions enabled
2
x
x
Second Hand moves at two-second
intervals.
m
m
Day changes to 1 (home position).
Beeper disabled
3
x
x
Second Hand stopped.
z
z Hour Hand and c
c
Minute Hand
stopped at 12 o’clock.
All functions disabled
When power drops to Level 3, all functions will be disabled but the watch will x
continue to keep time internally for about one week. If you recharge the battery
suffi ciently during this period, the analog hands will move automatically to the
correct setting and regular timekeeping will resume. After one week, all settings
(including timekeeping) will be cleared. Recharging the battery will reset all settings
to their initial factory defaults.
E-12
Power Recovery Mode
The watch is designed to go into a power recovery mode that stops hand operation
temporarily whenever power suddenly drops below a certain level due to overuse
of the alarm tone over a short period. Note that all operations are disabled while the
watch is in the power recovery mode.
The hands will move to the correct positions and the watch will resume normal
operation after power recovers (in about 15 minutes). Putting the watch in a location
where it is exposed to light will help power to recover sooner.
E-13
Charging Times
Exposure Level (Brightness)
Daily
Operation
*1
Level Change *2
Level 3 Level 2 Level 1
Outdoor sunlight (50,000 lux) 8 minutes 2 hours 27 hours
Window sunlight (10,000 lux) 30 minutes 6 hours 100 hours
Window sunlight on cloudy day
(5,000 lux)
48 minutes 10 hours 162 hours
Indoor fl uorescent lighting (500 lux) 8 hours 112 hours – – –
1 Approximate exposure each day to generate power for normal daily operation. *
2 Approximate exposure to take power up one level. *
The above times are for reference only. Actual times depend on lighting conditions.
x
For details about the operating time and daily operating conditions, see the “Power x
Supply” section of the Specifi cations (page E-59).
E-14
Power Saving
Power Saving enters a sleep state automatically whenever the watch is left for a
certain period in an area where it is dark. The table below shows how watch functions
are affected by Power Saving.
There actually are two sleep state levels: “second hand sleep” and “function sleep”.
x
Elapsed Time in Dark Operation
60 to 70 minutes (second hand sleep)
x
x
Second Hand only stopped at 12 o’clock, all
other functions enabled
6 or 7 days (function sleep)
All functions, including analog timekeeping, x
disabled
Internal timekeeping maintained x
The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch x
is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep
state.
The watch will not enter a sleep state while it is in the Stopwatch Mode.
x
E-15
To recover from the sleep state
Move the watch to a well-lit area or press any button.
E-16
Mode Reference Guide
Your watch has four “modes”. The mode you should select depends on what you
want to do.
Note
There are also various setting modes, which you can enter by holding down x A in
the Timekeeping Mode. See “Setting Modes” (page E-20) for more information.
E-17
To do this: Enter this mode: See:
View the current time in your Home City and in one of 29 other x
cities around the globe
View the current date in the Home City
x
Timekeeping
Mode
E-23
Use the stopwatch to measure elapsed time Stopwatch Mode E-35
Select one of 29 cities (time zones) around the world and view x
the current time there
Select daylight saving/summer time (DST) or standard time x
for a time zone
World Time Mode E-40
Set an alarm time Alarm Mode E-46
E-18
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch’s current mode
Check the position of the v
v
Left Dial Hand as shown
under “To select a mode” (page E-19).
To return to the Timekeeping Mode from any other
mode
Hold down C for at least two seconds.
>
E-19
To select a mode
Press C to cycle between the modes as shown below. The v
v
Left Dial Hand
indicates the currently selected mode.
The
v
Left Dial Hand rotates so the indicator for the current mode (TM, ST, WT, AL)
is aligned with the pointer
.
>
Timekeeping Mode Stopwatch Mode
v
Left Dial Hand indicates
TM.
v
Left Dial Hand indicates
ST, then aligns the dial hand
with the pointer
.
C
World Time Mode
v
Left Dial Hand indicates
WT, then aligns the dial hand
with STD or DST.
Alarm Mode
v
Left Dial Hand indicates
AL.