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MA2103-EA
© 2021 CASIO COMPUTER CO., LTD.
Contents
OPUM-F
Watch Operation Guide 5657
1

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Table of Contents
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Summary of Contents for Casio G-Shock GST-B400

  • Page 1: Table Of Contents

    MA2103-EA © 2021 CASIO COMPUTER CO., LTD. Watch Operation Guide 5657 Contents Time Adjustment Reminder Using Watch Operations to Adjust the Time Creating a Reminder Precautions Setting Checking Reminder Details Using the Watch in a Medical Facility or 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 Watch Operation Guide 5657 Temperature Chemicals Leather Band ● ● ● Never leave your watch on the dashboard Do not allow your watch to come into Allowing your watch to remain in contact ● ● ● of a car, near a heater, or in any other contact with thinner, gasoline, solvents, with other items or storing it together with location that is subject to very high...
  • Page 4: User Maintenance

    If you ever notice any abnormality immediately stop using your watch and take it to your original retailer or to an authorized CASIO service center. Even if the surface of the metal appears ●...
  • 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 5657 General Guide Before Getting Battery level C  Started... In the Timekeeping Mode, the current charge level is indicated by the mode ① ② hand. This section provides an overview of the watch and introduces convenient ways it can be The mode hand points to while the watch D ...
  • Page 7: Navigating Between Modes

    Watch Operation Guide 5657 Navigating Between Modes Cycling Between Shifting Hands to Read the Timekeeping Mode Digital Digital Display Each press of (C) cycles between watch Display Contents modes. Hand shift moves the hands out of the way for In any mode, hold down (C) for at least one ●...
  • Page 8 Watch Operation Guide 5657 Low Battery Charging Time Guidelines ● ● Important! A low battery will cause [LOW] to flash and will The table below shows guidelines for disable the functions below. approximate charging times. Depending on light intensity and local ●...
  • Page 9: Viewing The Face In The Dark

    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 “G- ● SHOCK Connected” app installed to pair with the watch.
  • Page 10: Linking With A Phone

    Your watch will connect with a phone at preset In Google Play or the App Store, search for the of) the watch. times each day and adjust its time settings CASIO “G-SHOCK Connected” app and 3. X Press (D). automatically.
  • Page 11: Configuring Reminder Settings

    Watch Operation Guide 5657 Configuring the Summer Time Setting ● Configuring Reminder Configuring World Time Settings Settings 1. Y Tap the “G-SHOCK Connected” icon. After you use G-SHOCK Connected to create Specifying a World Time City with G-SHOCK 2. X Hold down (C) for at least three seconds reminders, appointments, anniversaries, or Connected causes the watch’s World Time...
  • Page 12: Adjusting Hand Alignment

    Watch Operation Guide 5657 Swapping Your World Time and Home ● Adjusting Hand Alignment 2. X If the watch is in any mode besides the Time Timekeeping Mode, hold down (C) for at If the hands are out of alignment even though 1.
  • Page 13: Changing The Home City Summer Time Setting

    Watch Operation Guide 5657 Changing the Home City Recording Your Current Connection Summer Time Setting Location (TIME & PLACE) Connecting with a Phone While traveling or otherwise on the go, you can 1. Y Your watch can connect with a phone that is Tap the “G-SHOCK Connected”...
  • Page 14: Disconnecting From Your Phone

    Watch Operation Guide 5657 Time Adjustment Note 3. X Press (C) twice. This causes the seconds to flash. The connection will be terminated if ● Your watch can connect with a phone to obtain you do not perform any operation on Seconds information that it uses to adjust its date and the watch or phone for a fixed amount...
  • Page 15: Using Watch Operations To Adjust The Time Setting

    Watch Operation Guide 5657 Setting the Time/Date ● Using Watch Operations to Configure the date and time settings. Adjust the Time Setting Enter the Timekeeping Mode. To reset the seconds to 00: Press (D). ● Navigating Between Modes 1 is added to the minutes when the If your watch cannot connect with a phone for current count is between 30 and 59 Hold down (A) for at least two seconds.
  • Page 16: Using The Watch In A Medical Facility Or Aircraft

    Watch Operation Guide 5657 Using the Watch in a Medical World Time City Setting World Time Facility or Aircraft Use the procedure in this section to select a World Time city. If you are in an area that World Time lets you look up the current time Whenever you are in a hospital, on an aircraft, observes summer time, you can also in any one of 38 cities around the globe, and...
  • Page 17: Swapping Your Home Time And World Time

    Watch Operation Guide 5657 Alarm Note Use (B) and (D) to change the hour setting. If you are using 12-hour timekeeping, ● While [UTC] is selected as the city, you [P] indicates p.m. ● The watch will beep when an alarm time is will not be able to change or check the reached.
  • Page 18: Enabling The Hourly Time Signal

    Watch Operation Guide 5657 Enabling the Hourly Time Moving to Another Enter the Alarm Mode. Signal Time Zone Navigating Between Modes Use (D) to scroll through the alarm ([AL1] Enter the Alarm Mode. to [AL5]) and hourly time signal ([SIG]) Use the procedure below to easily change day Navigating Between Modes screens until the one you want to turn off...
  • Page 19: Stopwatch

    Watch Operation Guide 5657 After Arriving ● Measuring Elapsed 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- Before swapping After swapping second units after that for up to 24 hours.
  • Page 20: Measuring Lap Times

    Watch Operation Guide 5657 Using G-SHOCK Connected Use the operations below to measure Use the operations below to measure to Configure Timer Settings elapsed time. elapsed time. Pressing (A) displays the elapsed time Each time you press (A), the watch ●...
  • Page 21: Using The Timer

    Watch Operation Guide 5657 Using the Timer Creating a Reminder Hand Alignment Adjustment Use G-SHOCK Connected to create Enter the Timer Mode. reminders. Navigating Between Modes To use G-SHOCK Connected, you first ● Strong magnetism or impact can cause the need to pair your watch with a phone.
  • Page 22: Other Settings

    Watch Operation Guide 5657 Other Settings Press (C) 10 times. Press (D) to select [KEY♪] or [MUTE]. This causes the language setting to flash. [KEY♪]: Operation tone enabled. This section explains other watch settings you [MUTE]: Operation tone muted. can configure. Changing the Date Display Format Use (D) to select a language.
  • Page 23: Returning The Watch To Its Factory Default Settings

    Watch Operation Guide 5657 Returning the Watch to Its Other Information City Offset Factory Default Settings BAR: Baker Island BAKER ISLAND This section provides non-operational This section explains how to return the watch PPG: Pago Pago information you also need to know. Refer to settings below to their initial factory defaults.
  • Page 24: Supported Phones

    Auto Time Adjustment: 4 times/day Alarm: Once (10 seconds)/day Supported Phones Illumination: Once (1.5 seconds)/day Power Saving: 6 hours/day For information about phones that can connect with the watch, visit the CASIO Specifications are subject to change without website. notice. https://world.casio.com/os_mobile/wat/...
  • Page 25: Copyrights And Registered Copyrights

    Bluetooth SIG, Inc. and any use of such phone. marks by CASIO Computer Co., Ltd. is under license. Is G-SHOCK Connected running? I’ve never been able to establish a iPhone and App Store are trademarks of ●...
  • Page 26 Watch Operation Guide 5657 Phone-Watch Connection Auto Time Adjustment by I can’t connect while my phone is in the Airplane Mode. Bluetooth Connection (Time Connection with the watch is not possible Adjustment) I can’t establish a connection while the phone’s Airplane Mode is enabled. between the phone and watch.
  • Page 27 Charging Adjusting Hand Alignment Check the information below to find out how ● to align the hands manually. Hand Alignment Adjustment Other I can’t find the information I need here. Visit the website below. https://world.casio.com/support/...

This manual is also suitable for:

G-shock 5657

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