Operation Guide 3311/3356
❚Charging Guide
Starting from a full charge, the watch should be able to continue operating for about five months without further charging under the conditions described below.
Required Daily Charging Time
•The following is the daily amount of charging required each day to support the operations under “Daily Use”.
Exposure Level | Approximate | |
(Brightness) | Exposure | |
Time | ||
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Power Saving
The Power Saving feature of the watch is turned on at the factory.
•Power Saving causes the watch to automatically enter a sleep state and save power whenever the watch is left in the dark.
•Note that the watch may also enter the sleep state if the watch is blocked from light by your sleeve.
Daily Use (All time values are approximate.)
•Display Illumination:
1.5 seconds
•Alarms: 10 seconds
•Signal reception: 5 times
Making sure the watch is regularly exposed to light ensures stable operation.
Outdoor Sunlight | 5 minutes |
(50,000 lux) |
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Sunlight Through |
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a Window | 24 minutes |
(10,000 lux) |
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Daylight Through a |
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Window on an Overcast | 48 minutes |
Day (5,000 lux) |
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Fluorescent | 8 hours |
Lighting (500 lux) |
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❚How the sleep state works
Display sleep state
The display sleep state is triggered whenever the watch is left in the dark for three or four days.
•The display sleep state causes the display to go blank, except for a flashing Power Saving indicator. Alarms and the hourly time signal continue to operate normally while the watch is in the display sleep state. Even when the watch is in the display sleep state, digital- analog time coordination and auto signal receive are both performed.
Function sleep state
❚To recover from the sleep state
Move the watch to a brightly lit location or press any button.
•It can take up to two seconds before display figures
❚To turn Power Saving on and off
Use the procedure under “To configure digital settings” to turn Power Saving on or off.
•Charge Times Required to Advance to a Higher Level
Exposure Level | Approximate Exposure Time | |||
(Brightness) | Level 4 \ Level 3 | \ Level 2 | \ Level 1 | |
Outdoor Sunlight | 1 hour | 10 hours | 5 hours | |
(50,000 lux) | ||||
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Sunlight Through a | 4 hours | 48 hours | 22 hours | |
Window (10,000 lux) | ||||
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Daylight Through a |
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Window on an Overcast | 8 hours | 99 hours | 46 hours | |
Day (5,000 lux) |
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The function sleep state is triggered whenever the watch is left in the dark for four days.
•Alarms and the hourly time signal are also disabled while the watch is in the function sleep state. In the function sleep state, analog timekeeping is disabled, and auto signal receive is not performed.
•Digital timekeeping functions continue to operate normally in the function sleep state.
Leaving the watch in a drawer or anywhere else it is dark can cause Power Saving to trigger in order to conserve battery power.
Indoor Fluorescent | 76 hours | – – – | – – – | |
Lighting (500 lux) | ||||
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Power Saving Indicator
• Note that the above charging times are for reference only. Actual charging time depends on a variety of environmental factors.
Display Illumination |
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| 3. | Press the B button to | 1.5 seconds | (Toggle) |
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| select the display |
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| illumination duration you |
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Pressing the B button in any mode illuminates the digital display | ❚ To specify the illumination duration | want. |
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for easy reading. | Each press of the Bbutton |
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| Timekeeping Mode | toggles the display |
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| In the Timekeeping Mode | illumination duration between |
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| hold down the Abutton |
| 1.5 seconds and 2.5 seconds. |
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| An indicator on the display |
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| for about two seconds. |
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| shows which setting is |
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| • This will display the |
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| transmitter selection mode |
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| setting screen and cause the |
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| second hand to move to the |
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| 12 o’clock position. |
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| 2.5 seconds |
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You can specify 1.5 seconds or 2.5 seconds as the duration of |
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display illumination. |
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| When the setting is the |
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| AT (Auto Switching) | way you want, press the |
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| Abutton. |
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| 2. |
| • | This will exit the setting |
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| Press the A button once |
| screen and return to the |
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| Timekeeping Mode screen. |
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| and then press the C |
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| Also, the second hand will |
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| button. |
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| move automatically to the |
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| • This causes the seconds |
| current second, as kept by |
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| digital timekeeping. |
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| count to flash on the display. |
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| The display also will exit the |
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setting screen automatically if |
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you do not perform any |
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operation for about two or |
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three minutes. | 2 |
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