MO1805-EA © 2017 CASIO COMPUTER CO., LTD.
User’s Guide 3159
Congratulations upon your selection of this CASIO watch.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage
or loss suffered by you or any third party arising through the use of this product or
its malfunction.
Important!
• Keep the watch’s face exposed to light as much as possible.
• This manual provides a brief overview of your watch.
ENGLISH
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For a full Operation Guide and Q&A
information about this product, go to the
website below.
http://world.casio.com/manual/wat/
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Configuring Current Time and Date Settings Automatically
Date and time settings are kept accurate using information provided by a time
calibration signal.
• Time calibration signals can be received using Auto Receive or Manual Receive.
Normally, you should set up the watch for Auto Receive of the current time and
date.
• If you are in an area where a time calibration signal cannot be received, you need
to adjust time and date settings manually.
• For information about the manual receive operation and time calibration signal
reception ranges, refer to the Operation Guide available at the CASIO website.
Important!
• For the watch to be able to receive a time calibration signal, its Home City setting
must be one where time calibration signal reception is normally supported. For
details about the cities where calibration signal reception is supported, see the “City
Code Table” at the back of this manual.
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Configuring Home City, Time and Date Settings Manually
• Be sure to set your Home City before using this watch.
• If you are in an area where a signal cannot be received, adjust time and date
settings manually.
1. In the Timekeeping Mode, hold down A until the city code starts to flash, which
indicates the setting screen.
2. Press C to move the flashing in the sequence shown below to select a setting.
Home City and Summer Time
City Code DST Hour
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12/24-Hour
Format
Time and Date
Seconds
MinutesYearMonthDayPower Saving
Charging the Watch
Remove the watch from your wrist and place it in a brightly lit area.
• The watch may become hot when exposed to light for charging. Take care to avoid
burn injury.
• Avoid charging in locations where it is very hot.
Power Levels
• If the battery power indicator shows L or is not displayed at all, it means that battery
power is very low. Expose the watch to bright light for charging as soon as
possible.
Power Saving
• Leaving the watch in a dark location for about 60 to 70 minutes between the hours
of 10 p.m. and 6 a.m. will cause the display to go blank.
• Leaving the watch in a dark location for about six or seven days will also cause the
display to go blank. All functions are disabled, but timekeeping is maintained.
Auto Receive
1. Enter the Timekeeping Mode.
2. Leave the watch near a window between midnight and 5:00 a.m.
3. Use D and B to change the selected setting.
Screen: To do this: Do this:
4. Press A to exit the setting screen.
You can get an idea of the watch’s power level by observing the battery
power indicator.
• When the receive operation is successful, the time and date settings will be
adjusted automatically.
• If you are unable to receive a signal, check the Operation Guide available at the
CASIO website to ensure the watch is in a suitable location.
Change the city code Use D (east) and B (west).
Cycle between Auto DST ( ),
Daylight Saving Time ( ) and
Standard Time ( ).
Toggle between 12-hour ( ) and
24-hour ( ) timekeeping
Reset the seconds to Press D.
Change the hour and minutes Use D (+) and B (–).
Change the year, month, or day Use D (+) and B (–).
Press D.
Press D.
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Mode Selection and Operations
• Press C to change the mode.
Timekeeping Mode
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Turns on
illumination.
Alarm ModeWorld Time Mode
C
Scrolls between
cities.
C
C
Countdown Timer Mode Stopwatch Mode
Split/Reset
C
C
Start/Stop
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User’s Guide 3159
Specifications
Accuracy at normal temperature: ± 15 seconds a month (with no signal calibration)
Timekeeping: Hour, minutes, seconds, p.m. (P), month, day, day of the week
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Home City code (can be assigned one of 48 city codes); Standard Time /
Daylight Saving Time (summer time)
Time Calibration Signal Reception: Auto receive 6 times a day (5 times a day for
the Chinese calibration signal) (Remaining auto receives cancelled as soon
as one is successful); Manual receive
Receivable Time Calibration Signals: Mainflingen, Germany (Call Sign: DCF77,
Frequency: 77.5 kHz); Anthorn, England (Call Sign: MSF, Frequency: 60.0
kHz); Fort Collins, Colorado, the United States (Call Sign: WWVB,
Frequency: 60.0 kHz); Fukushima, Japan (Call Sign: JJY, Frequency: 40.0
kHz); Fukuoka/ Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz);
Shangqiu City, Henan Province, China (Call Sign: BPC, Frequency: 68.5
kHz)
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Power Supply: Solar cell and one rechargeable battery
Approximate battery operating time: 10 months (from full charge to Level 4) under
the following conditions:
• Watch not exposed to light
• Internal timekeeping
• Display on 18 hours per day, sleep state 6 hours per day
• 1 illumination operation (1.5 seconds) per day
• 10 seconds of alarm operation per day
• Approximately 4 minutes of signal reception per day
Specifications are subject to change without notice.
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City Code Table
City
Code
ROM Rome*
MOW Moscow*
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City
UTC
LON London*
MAD Madrid*
PAR Paris*
BER Berlin*
STO Stockholm*
ATH Athens*
JRS Jerusalem
JED Jeddah
UTC Offset/
GMT Differential
0LIS Lisbon*
+1
+2CAI Cairo
+3
City
Code
City
THR
Tehran
DXB
Dubai
KBL Kabul +4.5
KHI Karachi +5
DEL Delhi +5.5
DAC Dhaka +6
RGN Yangon +6.5
BKK Bangkok +7
SIN Singapore
HKG Hong Kong*
BJS Beijing*
TPE Taipei*
SEL Seoul*
TYO Tokyo*
UTC Offset/
GMT Differential
+3.5
+4
+8
+9
World Time: 48 cities (29 time zones)
Other: Daylight Saving Time/Standard Time
Alarms: 5 daily alarms (four one-time alarms; one snooze alarm); Hourly Time Signal
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 23:59' 59.99"
Measuring modes: Elapsed time, split time, two finishes
Countdown Timer:
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Illumination: EL (electro-luminescent panel); Full Auto Light Switch
Other: Power Saving; Button operation tone on/off
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City
Code
*
•
•
City
ADL Adelaide +9.5
GUM Guam
SYD Sydney
NOU Noumea +11
WLG Wellington +12
PPG Pago Pago –11
HNL Honolulu* –10
ANC Anchorage* –9
YVR Vancouver*
LAX Los Angeles*
YEA Edmonton* –7
Indicates cities where time calibration signal reception is supported.
Based on data as of December 2009.
The rules governing global times (UTC offset and GMT differential) and summer
time are determined by each individual country.
UTC Offset/
GMT Differential
+10
–8
City
Code
City
DEN Denver* –7
MEX Mexico City*
CHI Chicago*
MIA Miami*
NYC New York*
SCL Santiago
YHZ Halifax*
YYT St. Johns* –3.5
RIO Rio De Janeiro –3
RAI Praia –1
UTC Offset/
GMT Differential
–6
–5YTO Toronto*
–4
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L-3