Other Information; Supported Phones; Specifications - Casio 5641 Operation Manual

Resetting Watch Settings
This section explains how to return the watch
settings and log to their initial factory defaults.
Note that your current location time and
●
Dual Time settings are not reset.
1.
Enter the Timekeeping Mode.
Navigating Between Modes
l
2.
Hold down (A) for at least two seconds.
Release the button when [SET] stops
flashing.
3.
Hold down (B) for at least five seconds.
Release the button when [CLR ALL] stops
flashing.
Note
Resetting the watch will also delete
●
information for pairing the watch with a
phone, and unpair them.
Watch Operation Guide 5641
Moving Between
When you enter another time zone, the watch
will adjust its time setting to your current
location in accordance with the time zone of
your phone. When you reach your destination,
disable the watch Airplane Mode.
1.
When you reach your destination,
establish a connection between the watch
and your phone.
Using the Watch in a Medical Facility or
l
Aircraft
After you disable the watch's Airplane
Mode, it will adjust its time setting to the
time in your current location.
If you want to trigger immediate time
●
adjustment, refer to the information at
the link below.
Triggering Immediate Time
l
Adjustment

Other Information

This section provides non-operational
information you also need to know. Refer to
this information as required.

Supported Phones

For information about phones that can
connect with the watch, visit the CASIO
website.
https://world.casio.com/os_mobile/wat/
Time Zones

Specifications

Accuracy at normal temperature :
±15 seconds per month average when time
adjustment by communication with a phone is
not possible.
Timekeeping :
Analog
Hour, minute (moves every 20 seconds)
Digital
Hour, minute, second, month, day, day of
the week, a.m./p.m. (P)/24-hour time
format, full auto calendar (2000 to 2099)
Summer Time
Life Log Measurement Functions :
Distance
Measuring range: 0.00 to 9999.99 km
Target Distance Setting
Distance setting unit: 1 km
Distance setting range: 1 to 199 km
Calories
Measuring range: 0 to 999,999 kcal
Target Calorie Setting
Calorie setting unit: 10 kcal
Calorie setting range: 10 to 60,000 kcal
Pedometer
Step count measurement using a 3-axis
accelerometer
Step count display range: 0 to 999,999
steps
Step indicator
Daily step goal setting
Step count setting unit: 100 steps
Step count setting range: 1,000 to 99,900
steps
Step count accuracy
±3% (According to vibration testing)
Power Saving
Life Log Reset
Auto reset at midnight each day
Manual reset
Life Log Graph
Exercise Intensity Display
Stopwatch/Data Recall :
Measuring unit
1/100 seconds (first hour); 1 second
(after first hour)
Measuring range: 23 hours 59 minutes 59
seconds
Measurement Functions:
Normal elapsed time, cumulative time,
lap/split times, distance/pace display
switching, auto/manual lap
measurement, auto lap alert, 45-record
data memory
Timer :
Measuring unit: 1 second
Measuring range: 60 minutes
Number of intervals: 1 to 5
Number of auto repeats: 1 to 20
Time setting unit: 1 second
Time setting range: 1 second to 60 minutes
Final 5-second countdown, time-up beeper
Auto Start
Dual Time :
Hour, minute, second
Home Time swapping
23