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MA2312-EA
© 2024 CASIO COMPUTER CO., LTD.
Contents
OPUM-H
Watch Operation Guide 3542
1

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Summary of Contents for Casio 3542

  • Page 1: Table Of Contents

    MA2312-EA © 2024 CASIO COMPUTER CO., LTD. Watch Operation Guide 3542 Contents Time Adjustment Timer Time Adjustment Using a Time Signal Using CASIO WATCHES to Configure Timer Precautions Settings Overview Appropriate Signal Reception Location Setting the Countdown Start Time Operating Precautions...
  • Page 2: Precautions

    Do not operate the crown or buttons while ー  retailer or to an authorized CASIO service Example of Daily Use your watch is submersed in water or wet. center. Hand washing, rain Avoid wearing your watch while in the ー ...
  • Page 3 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 4: User Maintenance

    CASIO service by charging is too short, contact your and a mild neutral detergent, or with soapy center.
  • Page 5: 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.
  • Page 6: Before Getting Started

    Watch Operation Guide 3542 General Guide Indicators Before Getting Started... ① ② ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ This section provides an overview of the watch and introduces convenient ways it can be used. ⑩ Watch Features ⑪...
  • Page 7: Navigating Between Modes

    Watch Operation Guide 3542 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 8: Viewing The Face In The Dark

    Watch Operation Guide 3542 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 9: 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 ● “CASIO WATCHES” app installed to pair with the watch. Note Auto Light is disabled while [CHG] is ●...
  • Page 10: Linking With A Phone

    Pairing started Pairing complete In Google Play or the App Store, search for the conditions described below. “CASIO WATCHES” phone app and install it While the watch is too far away from ー  on your phone. its paired phone While communication is not possible ー ...
  • Page 11: 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 12 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 13: Phone Finder

    Alarm time, timer start time, and other settings 1. Y Tap the “CASIO WATCHES” icon. the phone to make it easy to find. The tone is can also be configured using CASIO forced to sound even if the phone is in vibrate WATCHES. 2. X Hold down (C) for at least three mode.
  • Page 14: 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 a CASIO WATCHES map [CNCT] start to flash. 2. X Hold down (C) for at least three while the watch is connected with your phone.
  • Page 15: Connection

    Unpairing Unpairing the watch from a phone requires 5. X both CASIO WATCHES phone app and watch Press (A) to return to the Timekeeping operations. Mode. Deleting Pairing Information from the ●...
  • Page 16: Time Adjustment

    Watch Operation Guide 3542 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 17: Appropriate Signal Reception Location

    Watch Operation Guide 3542 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 18: Signal Reception Precautions

    Watch Operation Guide 3542 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 19 Watch Operation Guide 3542 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 20: Using The Watch In A Medical Facility Or Aircraft

    Configure World Time City operation. Settings Note If the watch is paired with a phone, you can also use CASIO WATCHES to set the World While the setting is being configured, ● Time city. the watch will exit the setting operation Configuring World Time Settings Press (C) 13 times.
  • Page 21: Checking World Time

    Watch Operation Guide 3542 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 22: Alarm

    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 CASIO WATCHES to set alarms. Configuring Watch Settings Alarm minute Use (B) and (D) to set the minute setting.
  • Page 23: Enabling The Hourly Time Signal

    Watch Operation Guide 3542 Enabling the Hourly Time Moving to Another Enter the Alarm Mode. Signal Time Zone Navigating Between Modes Use (D) to scroll through the alarm ([1] to Enter the Alarm Mode. [4], [SNZ]) and hourly time signal ([SIG])
  • Page 24: Stopwatch

    Watch Operation Guide 3542 After Arriving ● Measuring a Split Time Stopwatch Swap the origin time zone time with the Enter the Stopwatch Mode. destination time zone time. The stopwatch measures elapsed time in Navigating Between Modes 1/100-second units for the first hour, and in 1-...
  • Page 25: Timing The First And Second Place Finishers

    First hour After first hour If the watch is paired with a phone, you can Press (A) to exit the setting screen. also use the CASIO WATCHES phone app to set the timer start time. Note Configuring Watch Settings While the setting is being configured,...
  • Page 26: Using The Timer

    Pause Creating a Reminder Resume Use CASIO WATCHES to create reminders. To use CASIO WATCHES, you first need to ● (Time up) pair your watch with a phone. A beeper will sound for 10 seconds to Note ●...
  • Page 27: Other Settings

    Watch Operation Guide 3542 Specifying the Day of the Enabling the Button Other Settings Week Language Operation Tone This section explains other watch settings you You can select any one of six languages for Use the procedure below to enable or disable can configure.
  • Page 28: Configuring Power Saving Function Settings

    Watch Operation Guide 3542 Configuring Power Saving Resetting Watch Settings Other Information Function Settings This section explains how to return the watch settings below to their initial factory defaults. This section provides non-operational Enter the Timekeeping Mode. information you also need to know. Refer to Watch Settings ●...
  • Page 29: Summer Time Table

    St. John’s Sunday in Sunday in March time, two finishes November The information in the above table is current ● as of July 2023. Supported Phones For information about phones that can connect with the watch, visit the CASIO website. https://world.casio.com/os_mobile/wat/...
  • Page 30: Copyrights And Registered Copyrights

    ® Setting a Home City Bluetooth SIG, Inc. and any use of such Frequency Band: 2400MHz to 2480MHz marks by CASIO Computer Co., Ltd. is Maximum Transmission: 0 dBm (1 mW) Is the watch connected with a phone? under license.
  • Page 31 Check your surroundings and move the watch and phone. watch to a location where signal reception Is the CASIO WATCHES phone app is better. Are you using a supported phone model? running? Appropriate Signal Reception Location...
  • Page 32 On your phone, re-enable Bluetooth, and then phone? performed for 24 hours after swapping of go to the Home Screen and tap the “CASIO the Home Time and World Time, or after WATCHES” icon. Next, on the watch, hold After deleting the pairing information from the time setting is adjusted manually on down (C) for at least three seconds.
  • Page 33 Watch Operation Guide 3542 Charging The watch does not connect with a phone and adjust its time when I press (D). The watch does not work even The watch will not adjust its time if you press though it is exposed to light.

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