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MA2408-EC
© 2024 CASIO COMPUTER CO., LTD.
Contents
OPUM-H
Watch Operation Guide 3539
Published: 8/2024
1

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Summary of Contents for Casio 3539

  • Page 1: Table Of Contents

    MA2408-EC © 2024 CASIO COMPUTER CO., LTD. Published: 8/2024 Watch Operation Guide 3539 Contents Time Adjustment Timer Time Adjustment Using a Time Signal Using CASIO WATCHES to Configure Timer About This Watch Settings Overview Appropriate Signal Reception Location Setting the Countdown Start Time...
  • Page 2: About This Watch

    Watch Operation Guide 3539 General Guide Indicators About This Watch ① ② ③ ④ ① ② This section provides an overview of the watch and introduces convenient ways it can be used. ⑧ Watch Features ⑤ ⑨ Phone Linking ●...
  • Page 3: Navigating Between Modes

    Watch Operation Guide 3539 Low Battery ● Navigating Between Modes Charging A low battery will cause [LOW] to flash and will Each press of (C) cycles between watch This watch runs on power supplied from a disable the functions below.
  • Page 4: Viewing The Face In The Dark

    Watch Operation Guide 3539 Charging Time Guidelines Power Saving Function ● ● Viewing the Face in the Dark The table below shows guidelines for Leaving the watch in a dark location for about approximate charging times. one hour between the hours of 10 p.m. and 6 The watch has a light that illuminates the face a.m.
  • Page 5: Useful Features

    To transfer data to a watch and to configure settings, you first need to pair the watch with your phone. Getting Ready Your phone needs to have the “CASIO ● WATCHES” phone app installed to pair with the watch. Note Auto Light is disabled while [CHG] is ●...
  • Page 6: Linking With A Phone

    “CASIO WATCHES” phone app and install it Note system on your phone. While the CASIO WATCHES phone ー  The first time you start up the CASIO app is not running on the phone ● Configure Bluetooth settings. ● WATCHES phone app, a message will Enable the phone’s Bluetooth.
  • Page 7: Configuring Reminder Settings

    After you use CASIO WATCHES to create Specifying a World Time City with the CASIO Whenever you want to trigger immediate time reminders, appointments, anniversaries, or WATCHES phone app causes the watch’s...
  • Page 8 In addition to the approximately 300 cities 1. Y 1. Y Tap the “CASIO WATCHES” icon. Tap the “CASIO WATCHES” icon. available with CASIO WATCHES, you can specify a location on an on-screen map and 2. X 2. X Hold down (C) for at least three Hold down (C) for at least three create a user city.
  • Page 9: Phone Finder

    1. Y Tap the “CASIO WATCHES” icon. the phone to make it easy to find. The tone is can also be configured using the CASIO forced to sound even if the phone is in vibrate WATCHES phone app. 2. X Hold down (C) for at least three mode.
  • Page 10: Changing The Home City Summer Time Setting

    1. Y Tap the “CASIO WATCHES” icon. on your phone. Recorded location information seconds. Release the button when can be viewed on the CASIO WATCHES [CNCT] start to flash. 2. X Hold down (C) for at least three phone app map.
  • Page 11: Connection

    Disconnected the watch and returns to the timekeeping display. Unpairing Unpairing the watch from a phone requires both the CASIO WATCHES phone app and 5. X Press (A) to return to the Timekeeping watch operations. Mode. Deleting Pairing Information from the ●...
  • Page 12: Time Adjustment

    Watch Operation Guide 3539 Referring to the information below, configure Time Adjustment Using a Time Adjustment the time setting in accordance with the method Time Signal that suits your own lifestyle. Your watch can obtain date and time Overview Do you use a phone?
  • Page 13: Appropriate Signal Reception Location

    Watch Operation Guide 3539 Appropriate Signal Reception Time Signal Reception Ranges Auto Time Calibration Signal Location Receive Japan (JJY) ● A time calibration signal can be received while An automatic time calibration signal receive The Japan time signal radio stations are the watch is near a window.
  • Page 14: Signal Reception Precautions

    Watch Operation Guide 3539 Using Watch Operations to Signal Reception Precautions Note Adjust the Time Setting When the watch is unable to adjust its time ● When a receive operation is in accordance with a calibration signal for ● If your watch cannot connect with a phone for...
  • Page 15 Watch Operation Guide 3539 Use (D) to select a summer time setting. Keep pressing (C) until the setting you Configure the date and time settings. want to change is flashing. Each press of (D) cycles through available To reset the seconds to 00: Press (D).
  • Page 16: Using The Watch In A Medical Facility Or Aircraft

    Settings Note If the watch is paired with a phone, you can also use the CASIO WATCHES phone app to While the setting is being configured, set the World Time city. ● the watch will exit the setting operation Configuring World Time Settings Press (C) 13 times.
  • Page 17: Checking World Time

    Watch Operation Guide 3539 Checking World Time Swapping Your Home Time Hold down (A) for at least two seconds. and World Time This causes [WT] to flash on the display. Enter the World Time Mode. In the World Time mode, press (A) and (B) at...
  • Page 18: Moving To Another Time Zone

    This causes the minutes digits to flash. Using CASIO WATCHES to Configure Alarm Settings If the watch is paired with a phone, you can also use the CASIO WATCHES phone app to set alarms. Alarm minute Using the Watch in a Medical Facility or...
  • Page 19: Enabling The Hourly Time Signal

    Watch Operation Guide 3539 Testing the alarm ● Enabling the Hourly Time Enter the Alarm Mode. In the Alarm Mode, hold down (D) to sound the Signal Navigating Between Modes alarm. Use (D) to scroll through the alarm ([1] to To stop the alarm ●...
  • Page 20: Stopwatch

    Watch Operation Guide 3539 Measuring a Split Time Timing the First and Second Stopwatch Place Finishers Enter the Stopwatch Mode. The stopwatch measures elapsed time in Navigating Between Modes Enter the Stopwatch Mode. 1/100-second units for the first hour, and in 1-...
  • Page 21: Timer

    If the watch is paired with a phone, you can Press (A) to exit the setting screen. A beeper will sound for 10 seconds to ● also use the CASIO WATCHES phone app to let you know when the end of a set the timer start time. Note countdown is reached.
  • Page 22: Reminder

    Pressing (A) while the dot is flashing will display the title again. Home City Creating a Reminder Use CASIO WATCHES to create reminders. To use CASIO WATCHES, you first need to ● pair your watch with a phone. Getting Ready Note Press (C) nine times.
  • Page 23: Specifying The Day Of The Week Language

    Watch Operation Guide 3539 Specifying the Day of the Enabling the Button Configuring Power Saving Week Language Operation Tone Function Settings You can select any one of six languages for Use the procedure below to enable or disable Enter the Timekeeping Mode.
  • Page 24: Resetting Watch Settings

    Watch Operation Guide 3539 Resetting Watch Settings Specifications Timer : Measuring unit: 1 second This section explains how to return the watch Countdown range: 24 hours settings below to their initial factory defaults. Accuracy at normal temperature : Setting unit: 1 second Watch Settings ±15 seconds per month when time...
  • Page 25: Other Information

    Supported Phones DENVER * Denver CHICAGO * Chicago For information about phones that can NEW YORK * New York connect with the watch, visit the CASIO HALIFAX * Halifax website. ST. JOHN’S St. John’s -3.5 https://world.casio.com/os_mobile/wat/ RIO DE JANEIRO Rio de Janeiro Fernando de F.
  • Page 26: Copyrights And Registered Copyrights

    ● registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by CASIO Computer Co., Ltd. is under license. iPhone and App Store are trademarks of ● Apple Inc. in the United States and other countries.
  • Page 27: Troubleshooting

    Charging Did you install the CASIO WATCHES Is there an alarm configured to sound phone app on your phone? during the same period that the signal Is the watch in the Timekeeping Mode?
  • Page 28 Has the watch been re-paired with the On your phone, re-enable Bluetooth, and then phone? go to the Home Screen and tap the “CASIO WATCHES” icon. Next, on the watch, hold Delete the pairing information from the down (C) for at least three seconds.
  • Page 29 Watch Operation Guide 3539 Auto Time Correction by Charging The watch does not connect with a phone and correct its time when I Bluetooth Connection (Time press (D). Correction) The watch does not work even The watch will not adjust its time if you press though it is exposed to light.
  • Page 30: Precautions

    Avoid wearing your watch while in the ー  retailer or to an authorized CASIO service Example of Daily Use bath. center. Do not wear your watch while in a heated Hand washing, rain ー ...
  • Page 31 Display figures may be difficult to read when ● viewed from an angle. 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 your...
  • Page 32: User Maintenance

    CASIO service by charging is too short, contact your and a mild neutral detergent, or with soapy center.
  • Page 33: Mobile Link Precautions

    When in a hospital, on an aircraft, or in any under applicable radio laws may be a other area where the use of radio waves is not criminal offense. For details, visit the CASIO allowed, use the operation below to stop radio Website.

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