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Selecting a Mode
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The illustration below shows which buttons you need to press to navigate between modes.
To return to the Timekeeping Mode from any other mode, hold down B for about two seconds.
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Thermometer
Thermometer
Barometer
Barometer
Mode
Mode
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Alarm Mode
Alarm Mode
Stopwatch Mode
Stopwatch Mode
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General Functions (All Modes)
The functions and operations described in this section can be used in all of the modes.
Direct Timekeeping Mode Access
To enter the Timekeeping Mode from any other mode, hold down B for about two seconds.
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Auto Return Features
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The watch will automatically return to the Timekeeping Mode if you do not perform any button operation
for a particular amount of time in each mode.
Mode Name
Alarm, Receive
Digital Compass, Altimeter, Barometer, Thermometer
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Standard Time and Daylight Saving Time Setting
Except for China time zones, setting standard time/daylight saving time to AUTO will cause standard time/
daylight saving time to switch automatically in accordance with the time calibration signal. In locations not
covered by a time calibration signal, you need to switch manually.
Note
Daylight saving time (DST), or summer time as it is known in some countries, calls for setting clocks
ahead one hour from standard time during the summer season.
Note that the period during which and the areas where Daylight saving time is applied depend on each
country. Some countries or geographic areas may not use summer time.
Standard Time and Daylight saving time
STD: Indicates that the current time is standard time.
DST: Indicates that the current time is daylight saving time.
Daylight Saving Time/Standard Time Switching
AUTO (STD/DST Auto Switching):
Switches between standard time and daylight saving time automatically in accordance with the received
time synchronization signal.
MNL (STD/DST Manual Switching):
You need to switch between standard time and daylight saving time manually.
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3. Here you could press C to toggle the v v Mode hand between STD and DST.
If you selected AUTO for standard time/daylight saving time switching, the v v Mode Hand will move
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automatically to the proper STD/DST setting the next time the watch receives a time calibration
signal.
Switching between STD and DST
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4. Push the crown back in and then lock it.
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This returns to normal timekeeping.
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Operation Guide 5242
Timekeeping Mode
Timekeeping Mode
Mode
Mode
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Receive Mode
Receive Mode
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Approximate Elapsed Time
2 to 3 minutes
1 to 2 minutes
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Note
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The Digital Compass Mode and Altimeter Mode can be entered only from the Timekeeping Mode.
Perform the operations below after entering the Timekeeping Mode.
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Digital Compass Mode
Digital Compass Mode
Confi guring Home City Settings
The Home City is location where you will normally use the watch. You can choose from a selection of city
codes that represent 29 cities around the globe.
To confi gure Home City settings
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TYO (TOKYO)
TYO (TOKYO)
To select Auto or Manual Standard Time/Daylight Saving Time Switching
1. In the Timekeeping Mode, unlock the crown and then pull it out.
The c c Second Hand will move to the currently selected Home City code.
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The v v Mode Hand will move to STD (standard time) or DST (daylight saving time).
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2. Hold down C for at least fi ve seconds until the watch beeps.
Each time you perform the above operation, the v v Mode Hand will switch between MNL (manual
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switching) and AUTO (auto switching).
After about two seconds, the v v Mode Hand will move back to STD or DST.
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Confi guring Current Time and Date Settings Manually
You can confi gure current time and date settings manually when the watch is unable to receive a time
calibration signal.
To change the current time setting manually
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TYO (TOKYO)
TYO (TOKYO)
Altimeter Mode
Altimeter Mode
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Note
This watch does not have a city code that corresponds to Newfoundland.
1. In the Timekeeping Mode, loosen the crown and then pull it out.
This will cause the c Second Hand to move to the city code of the
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currently selected Home City.
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This indicates the city code setting mode.
2. Rotate the crown to move the c Second Hand to the city code you
want to select as your Home City.
Whenever you select a city code, the v Mode Hand will move to its
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summer time setting, while the z Hour Hand, x Minute Hand, and
b Day Indicator will move to the current time and date in that city.
3. After the setting is the way you want, push the crown back in and then
lock it.
Switching between AUTO and MNL
5 sec
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1. In the Timekeeping Mode, loosen the crown and then pull it out.
This will cause the c Second Hand to move to the city code of the
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currently selected Home City.
2. Change the Home City setting, if you want.
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To change the Home City setting, perform step 2 under "To
confi gure Home City Settings" (page E-27).
3. Hold down B for one second until the c Second Hand moves to
A (a.m.) or P (p.m.)
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This is the time setting mode.
In the following steps, each press of B cycles between settings as
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shown below.
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