Casio 3539 - Resetting Watch Settings; Specifications

Resetting Watch Settings
This section explains how to return the watch
settings below to their initial factory defaults.
●
Watch Settings
●
Reminder
●
Stopwatch
●
Timer
●
Alarm
1. Enter the Timekeeping Mode.
l
Navigating Between Modes
2. Hold down (A) for at least two seconds.
Release the button when the name of the
currently selected Home City appears on
the display.
Home City
3. Press (C) twice.
This causes the seconds to flash.
Seconds
4. Hold down (B) for at least seven seconds.
Release the button when [ALL] stops
flashing.
Note
●
While the setting is being configured,
the watch will exit the setting operation
automatically after about two or three
minutes of non-operation.
●
Resetting the watch will also delete
information for pairing the watch with a
phone, and unpair them.
Specifications
Accuracy at normal temperature :
±15 seconds per month when time
correction by time calibration signal
reception or by communication with a
phone is not possible.
Timekeeping :
Hour, minute, second, year, month, day,
day of the week
a.m./p.m.(P)/24-hour timekeeping
Full Auto Calendar (2000 to 2099) *
* Year display on setting screen only.
Signal Receive Functions :
Auto receive, manual receive
Auto summer time switching
Auto transmitter selection (for JJY, MSF/
DCF77)
Receivable call signs:
JJY (40 kHz/60 kHz), WWVB (60 kHz), MSF
(60 kHz), DCF77 (77.5 kHz), BPC (68.5
kHz)
OFF: Signal receive disabled
World Time :
Current time in 39 cities (39 time zones) and
for UTC, auto summer time switching
Home City/World Time City swapping
Alarm :
Time alarm
Alarms: 5 (with one snooze alarm)
Setting units: Hours, minutes
Beeper: 10 seconds
Hourly time signal
Beeps every hour on the hour
Stopwatch :
Measurement unit: 1/100 seconds (first
hour); 1 second (after first hour)
Measurement range: 23 hours, 59 minutes,
59 seconds (24 hours)
Measurement functions: Elapsed time, split
time, two finishes
Timer :
Measuring unit: 1 second
Countdown range: 24 hours
Setting unit: 1 second
Time up: 10-second beeper
Mobile Link :
Auto Time Correction
Time setting corrected automatically at
preset time
One-touch Time Correction
Manual connection and time correction
Phone finder
Watch operation sounds the alert sound
of the mobile phone
World Time
Current time for approximately 300 cities
selected for the watch
Home Time/World Time swapping
Original city function (location and name
settings)
Auto Summer Time Switching
Automatic switching between standard
time and summer time
Timer Settings
Alarm Settings
Reminder
Reminds you of anniversaries and other
important dates.
Data Communication Specifications
Bluetooth
®
Frequency Band: 2400MHz to 2480MHz
Maximum Transmission: 0 dBm (1 mW)
Communication range: Up to 2 meters
(depends on environment)
Other :
LED backlight light (Super Illuminator,
afterglow with selectable 2 or 4-second
duration), Full Auto light, Power Saving,
operation tone enable/disable, selectable
date format, selectable day of the week
language, auto time adjustment enable/
disable
Power Supply :
Solar panel and one rechargeable battery
(Type: CTL1616)
Battery nominal voltage: 2.3V
Battery operating time: Approximately 10
months
Conditions:
Not exposed to light under the conditions
below.
Auto time adjust by smartphone: 4 times/
day
Alarm: Once (10 seconds)/day
Illumination: Once (2 seconds)/day
Power Saving: 6 hours/day
Specifications are subject to change without
notice.
Watch Operation Guide 3539
24