Operation Guide 5182
Power Levels
| You can get an idea of the watch’s power level by |
| observing the movement of the x Second Hand in the |
| Timekeeping Mode. |
| ξ If the x Second Hand is moving normally at |
| intervals, power is at Level 1. |
ξ If the x Second Hand is moving at | |
| power is at Level 2, which is quite low. Expose the watch |
| to light as soon as possible so it can charge. |
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Moves at
Level | Hand Movement | Function Status |
1 | Normal. | All functions enabled |
2 | x Second Hand moves at | Beeper disabled |
intervals. | ||
| m Day changes to 1 (home position). |
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3 | x Second Hand stopped. | All functions disabled |
z Hour Hand and c Minute Hand | ||
| stopped at 12 o’clock. |
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ξWhen power drops to Level 3, all functions will be disabled but the watch will continue to keep time internally for about one week. If you recharge the battery sufficiently 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.
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.
Charging Times
| Daily |
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| Level Change *2 | |||||
Exposure Level (Brightness) | Operation |
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| Level 3 | Level 2 |
| Level 1 | ||
| *1 |
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Outdoor sunlight (50,000 lux) | 8 minutes |
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| 2 hours |
| 27 hours | |||
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Window sunlight (10,000 lux) | 30 minutes |
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| 6 hours | 100 hours | ||||
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Window sunlight on cloudy day | 48 minutes |
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| 10 hours | 162 hours | ||||
(5,000 lux) |
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Indoor fluorescent lighting (500 lux) | 8 hours |
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| 112 hours |
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* 1 Approximate exposure each day to generate power for normal daily operation. * 2 Approximate exposure to take power up one level.
ξ The above times are for reference only. Actual times depend on lighting conditions. ξ For details about the operating time and daily operating conditions, see the “Power
Supply” section of the Specifications (page
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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.
ξThere actually are two sleep state levels: “second hand sleep” and “function sleep”.
Elapsed Time in Dark | Operation | |
60 to 70 minutes (second hand sleep) | x Second Hand only stopped at 12 o’clock, all | |
other functions enabled | ||
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| ξ All functions, including analog timekeeping, | |
6 or 7 days (function sleep) | disabled | |
| ξ Internal timekeeping maintained | |
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To recover from the sleep state
Move the watch to a
ξThe watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep state.
ξThe watch will not enter a sleep state while it is in the Stopwatch Mode.
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Mode Reference Guide
Your watch has four “modes”. The mode you should select depends on what you want to do.
Note
ξThere are also various setting modes, which you can enter by holding down A in the Timekeeping Mode. See “Setting Modes” (page
To do this: | Enter this mode: | See: | |
ξ View the current time in your Home City and in one of 29 other | Timekeeping |
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cities around the globe | |||
Mode | |||
ξ View the current date in the Home City |
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Use the stopwatch to measure elapsed time | Stopwatch Mode | ||
ξ Select one of 29 cities (time zones) around the world and view |
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the current time there | World Time Mode | ||
ξ Select daylight saving/summer time (DST) or standard time | |||
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for a time zone |
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Set an alarm time | Alarm Mode | ||
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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 Left Dial Hand as shown under “To select a mode” (page
To return to the Timekeeping Mode from any other mode
Hold down C for at least two seconds.
To select a mode
Press C to cycle between the modes as shown below. The 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 | C | Stopwatch Mode |
v Left Dial Hand indicates |
| v Left Dial Hand indicates |
TM. |
| ST, then aligns the dial hand |
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| with the pointer . |
Alarm Mode |
| World Time Mode |
v Left Dial Hand indicates |
| v Left Dial Hand indicates |
AL. |
| WT, then aligns the dial hand |
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| with STD or DST. |