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MA2303-EC
© 2022 CASIO COMPUTER CO., LTD.
Contents
OPUM-G
Watch Operation Guide 3509
1

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Summary of Contents for Casio 3509

  • Page 1: Table Of Contents

    MA2303-EC © 2022 CASIO COMPUTER CO., LTD. Watch Operation Guide 3509 Contents Time Adjustment Other Settings Using Watch Operations to Adjust the Time Changing the Date Display Format Precautions Setting Specifying the Day of the Week Language Using the Watch in a Medical Facility or...
  • 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 Leather Band ● Electrostatic charge can cause the display ● Note that CASIO Computer Co., Ltd. to go blank momentarily or cause a rainbow Allowing your watch to remain in contact ● assumes no responsibility for any effect on the display.
  • Page 4: User Maintenance

    CASIO service indicating possible damage is noticed in a 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 3509 General Guide Indicators Before Getting Started... ① ① ② This section provides an overview of the watch and introduces convenient ways it can be ⑥ ② used. ⑦ ③ Watch Features ⑧ ④ ⑨ ⑤ Phone Linking ●...
  • Page 7: Navigating Between Modes

    Watch Operation Guide 3509 Navigating Between Modes Selecting a Timekeeping Viewing the Face in the Dark Mode Digital Display Format Each press of (C) cycles between watch The watch has a light that illuminates the face modes. for viewing in the dark.
  • Page 8: Useful Features

    Getting Ready Press (A) to exit the setting screen. Hold down (B) for at least three seconds Your phone needs to have the CASIO to toggle Auto Light between enabled and ● “CASIO WATCHES” app installed to pair disabled.
  • Page 9: 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 10: Receiving Casio Watches Information On The Watch

    You can configure settings so the watch Specifying a World Time City with the CASIO Whenever you want to trigger immediate time receives CASIO WATCHES update and other WATCHES phone app causes the watch’s...
  • Page 11: Phone Finder

    Watch Operation Guide 3509 Configuring the Summer Time Setting Swapping Your World Time and Home ● ● Phone Finder Time 1. Y Tap the “CASIO WATCHES” icon. You can use phone finder to trigger a tone on 1. Y Tap the “CASIO WATCHES” icon.
  • Page 12: Configuring Watch Settings

    If the watch is not paired with the phone you on your phone. Recorded location information ● want to connect with, refer to the information can be viewed on a CASIO WATCHES map 2. X Hold down (C) for at least three below and pair them.
  • Page 13: Disconnecting From Your Phone

    Press (A) to return to the Timekeeping Unpairing the watch from a phone requires You can adjust time settings by Mode. both CASIO WATCHES phone app and watch performing operations on the watch. operations. Using Watch Operations to Adjust the...
  • Page 14: Using Watch Operations To Adjust The Time Setting

    Watch Operation Guide 3509 Using Watch Operations to Use (D) to select a summer time setting. Keep pressing (C) until the setting you Adjust the Time Setting want to change is flashing. Each press of (D) cycles through available settings in the sequence shown below.
  • Page 15: Using The Watch In A Medical Facility Or Aircraft

    Watch Operation Guide 3509 Using the Watch in a Medical Configure the date and time settings. Press (C) eight times. Facility or Aircraft To reset the seconds to 00: Press (D). This causes [12H] or [24H] to flash on the ●...
  • Page 16: World Time

    If the watch is paired with a phone, you can down (A) for about two seconds. go to the section below. also use CASIO WATCHES to set the World Moving to Another Time Zone Time city. Use (D) to select a summer time setting.
  • Page 17: Alarm

    [P] indicates p.m. Using CASIO WATCHES to Configure Alarm Settings If the watch is paired with a phone, you can also use CASIO WATCHES to set alarms. Press (C). Turning Off an Alarm or the Configuring Watch Settings This causes the minutes digits to flash.
  • Page 18: Moving To Another Time Zone

    Watch Operation Guide 3509 Moving to Another Stopwatch Enter the Alarm Mode. Time Zone Navigating Between Modes The stopwatch measures elapsed time in Use (D) to scroll through the alarm ([AL1] 1/100-second units for the first hour, and in 1-...
  • Page 19: Measuring A Split Time

    First hour After first hour units. If the watch is paired with a phone, you can also use the CASIO WATCHES phone app to set the timer start time. First hour After first hour Configuring Watch Settings...
  • Page 20: Using The Timer

    Watch Operation Guide 3509 Using the Timer Other Settings Press (C). This causes the minutes digits to flash. Enter the Timer Mode. This section explains other watch settings you Navigating Between Modes can configure. Changing the Date Display Minutes Format...
  • Page 21: Specifying The Day Of The Week Language

    Watch Operation Guide 3509 Specifying the Day of the Enabling the Button Resetting Watch Settings Week Language Operation Tone This section explains how to return the watch settings below to their initial factory defaults. You can select any one of six languages for...
  • Page 22: Other Information

    Watch Operation Guide 3509 Summer Time Table Other Information City Offset TBU: Nuku’alofa When [AUTO] is selected for a city that NUKUALOFA observes summer time, switching between This section provides non-operational CXI: Kiritimati standard time and summer time will be information you also need to know.
  • Page 23: Supported Phones

    Sunday in March November Specifications are subject to change without The information in the above table is current notice. ● as of January 2022. Supported Phones For information about phones that can connect with the watch, visit the CASIO website. https://world.casio.com/os_mobile/wat/...
  • Page 24: Copyrights And Registered Copyrights

    Bluetooth SIG, Inc. and any use of such phone. marks by CASIO Computer Co., Ltd. is under license. Is the CASIO WATCHES phone app I’ve never been able to establish a...
  • Page 25 On your phone, re-enable Bluetooth, and then Note that auto time adjustment is not phone? go to the Home Screen and tap the “CASIO performed for 24 hours after swapping of WATCHES” icon. Next, on the watch, hold After deleting pairing information from the Home Time and World Time, or after down (C) for at least three seconds.
  • Page 26 Watch Operation Guide 3509 The watch does not connect with a phone and adjust its time when I press (D). The watch will not adjust its time if you press (D) while a timer countdown operation is in progress. Stop the timer countdown operation and then press (D) again.

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