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Time Calibration Signal Auto Receive
Important!
To perform time calibration signal auto receive, the watch must be in the Timekeeping Mode (not in the
Airplane Mode). See "Mode Reference Guide" (page E-8).
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Leave the watch in a location that is appropriate for time calibration signal reception between
the hours of midnight and 5:00 a.m. See "Appropriate Signal Reception Location (Time
Calibration Signal)" (page E-15).
The second hand will point to RC while time calibration signal reception is in progress.
Reception normally takes anywhere from about two to ten minutes, but it can take as long as
20 minutes.
When the receive operation is successful, the time and day settings will be adjusted automatically.
E-16
Specifi cations
Accuracy at normal temperature: ±15 seconds a month (no adjustment by signal information)
Timekeeping : Hour, minutes, seconds, 24-hour, day, day of the week
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Home City (Time Zone) and World Time City (Time Zone) can be assigned one of 40 time zones
(27 cities) and Coordinated Universal Time; Daylight Saving Time (summer time)/Standard Time
auto switching
Signal receive function: GPS signal auto receive, manual receive
Time calibration signal auto receive
Auto transmitter selection (for JJY, MSF/DCF77)
Receivable call signs: JJY (40 kHz/60 kHz), BPC (68.5 kHz), WWVB (60 kHz), MSF (60 kHz), DCF77
(77.5 kHz)
Last reception result display
Manual and auto standard time/summer time switching
Stopwatch: Measuring capacity: 23:59'59"
Measuring unit: 1 second
Measuring modes: Elapsed time
Other: Power Saving; Low battery alert; Auto Correction of Hand Home Positions
Power Supply: Solar panel and one rechargeable battery
Approximately 8 months
Not exposed to light under the conditions below.
GPS time information receive: 1 operation (approximately 10 seconds) every 2 days
GPS time position information receive: 1 operation (approximately 36 seconds)/month
Specifi cations are subject to change without notice.
E-18
User's Guide 5454 (OC)
Using the Crown
You can change the following settings by operating the watch's crown: World Time City (time zone),
Home City (time zone), summer time (DST), and current time.
For details about crown operations, see the Operation Guide available at the CASIO website.
http://world.casio.com/support/
Important!
In order to prevent loss of water resistance and damage due to impact, make sure that the crown is
fully pushed in to its normal position when using the watch.
C
E-17
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