Quick Start

User’s Guide 5603 (OC)
E-15
World Time City (Time Zone) Setting
Shows current World City time.
1. In the World Time Mode, pull the crown out to the first click.
x Rotate the crown to move the second hand to the city or time zone whose date and time you want
to select.
City setting (–)
City setting (+)
30
E-14
City (Time Zone) Setting
Important!
x 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 after operating it.
x Operation details: Operation Guide available at the CASIO website.
Home City (Time Zone) Setting
1. Pull the crown out to the second click.
x Rotate the crown to move the second hand to the city or time zone you want to select.
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City setting (–)
City setting (+)
E-13
Time Calibration Signal Manual Receive
1. Hold down A for at least 0.5 seconds until the second hand moves
to R (RC). If the second hand is a position other than R (RC), keep B
depressed until it moves to R (RC).
x This operation cannot be performed while the watch is paired with a
phone (page E-9).
2. Place the watch near a window.
x The time setting will be adjusted automatically when a signal receive
operation is successful.
x Calibration signal reception normally takes anywhere from about two
to 10 minutes. It can take as long as 20 minutes.
x Best reception is in the middle of the night.
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Second hand
E-12
Time Calibration Signal Auto Receive
●
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-11).
x The second hand will point to R (RC) while time calibration signal reception is in progress.
x Reception normally takes anywhere from about two to ten minutes, but it can take as long as
20minutes.
x When the receive operation is successful, the time and day settings will be adjusted automatically.
x You can disable auto receive if you want. See “Using the Watch in a Medical Facility or Aircraft”
(page E-10).
E-11
Timekeeping (Based on a Time Calibration Signal)
Appropriate Signal Reception Location (Time Calibration Signal)
x Keep the watch away from metal and position it so its 12 o’clock side is
facing a window. Avoid moving the watch as much as possible and do
not perform any watch operations while a signal receive operation is in
progress.
●
You may experience time calibration signal reception problems in
the areas described below.
- Among or near buildings
- While riding in a vehicle
- Near household appliances, office machines, mobile phones, etc.
- On a construction site, in an airport, or any other location where radio
wave interference occurs
- Near high-voltage lines
- In mountainous areas or behind a mountain
x Always check the time setting on the day there should be a switch
between standard time and summer time (DST). If the setting is not
correct (due to signal reception failure), turn DST on or off manually as
required.
12 o’clock
E-10
Using the Watch in a Medical Facility or Aircraft
x Disable auto time adjustment whenever you are in a medical facility, and aircraft, in any other area
where radio wave reception and connection with a phone are prohibited or restricted.
x Disabling auto time adjustment disables time calibration signal auto receive and auto connection with
a phone.
x Press B once and then pull out the crown to the first click. The second hand will move to Y (YES)
(auto receive enabled) or N (NO) (auto receive disabled). To disable auto time adjustment, rotate the
crown to move the second hand to N (NO). To enable auto time adjustment, rotate the crown to
move the second hand to Y (YES). After the setting is the way you want, push the crown back in to its
normal position.
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E-9
*1 The A-side of the dial indicates an a.m. time, while the P-side indicates a p.m. time.
*2 Indicates elapsed seconds during a stopwatch operation, and current time seconds while the
stopwatch is reset to zero.
*3 Points to ST while a stopwatch operation is in progress. Points to the current day of the week while
the stopwatch is reset to all zeros.
World Time Mode Button Operations
x To check the current Home City (time zone) setting, press A once.
x To swap your Home Time with the World Time, hold down A for at least threeseconds.
x To view the result of last time calibration by time signal reception or Mobile Link, press B once.
x If the watch is not paired with a phone, you can perform the operations below.
- To adjust time with a time signal, hold down B for at least 0.5seconds.
- To pair with a phone, hold down B for at least 2.5 seconds.
x If the watch is paired with a phone, you can perform the operations below.
- To adjust time using Mobile Link, hold down B for at least 0.5seconds.
- To connect with the phone, hold down B for at least 2.5seconds.
- To find the phone, hold down B for at least five seconds.
x For details, refer to the Operation Guide available at the CASIO website.
https://world.casio.com/manual/wat/
E-8
Mode Reference Guide
x To navigate between modes, press A while the crown is pulled out (to either the first or second
click). After selecting the mode you want, push the crown back in to its normal position. You can also
navigate between modes using Mobile Link.
World Time Mode Stopwatch Mode
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World time
hour hand
World time
minute hand
Second hand
B
A
Hour hand
24-hour hand
Minute hand
Crown
Day of the week hand
Day
Indicator
World time
24-hour
hand
*1
30
x Start
x Stop
Seconds
*2
x Reset
x After reset, B
has the same
functions that it
has in the World
Time Mode.
Points to
ST
*3
Hours
Minutes
Hours
(0 to 24)