CASIO GMS-S5600RT-4 Smart Watch Installation Guide

June 1, 2024
Casio

CASIO GMS-S5600RT-4 Smart Watch

CASIO-GMS-S5600RT-4-Smart-Watch

Precautions

Operating Precautions

  • Water Resistance
  • The information below applies to watches with WATER RESIST or WATER RESISTANT marked on the back cover.
  • Do not use your watch for scuba diving or other types of diving that requires air tanks.
  • Watches that do not have WATER RESIST or WATER RESISTANT marked on the back cover are not protected against the effects of sweat. Avoid using such a watch under conditions where it will be exposed to large amounts of sweat or moisture, or to direct splashing with water.
  • Even if a watch is water resistant, note the usage precautions described below. Such types of use reduce water resistance performance and can cause fogging of the glass.
  • Do not operate the crown or buttons while your watch is submersed in water or wet.
  • Avoid wearing your watch while in the bath.
  • Do not wear your watch while in a heated swimming pool, sauna, or any other high temperature/high humidity environment.
  • Do not wear your watch while washing your hands or face, while doing housework, or while performing any other task that involves soaps or detergents.
  • After submersion in seawater, use plain water to rinse all salt and dirt from your watch.
  • To maintain water resistance, have the gaskets of your watch replaced periodically (about once every two or three years).
  • A trained technician will inspect your watch for proper water resistance whenever you have its battery replaced. Battery replacement requires the use of special tools. Always request battery replacement from your original retailer or from an authorized CASIO service center.
  • Some water-resistant watches come with fashionable leather bands. Avoid swimming, washing, or any other activity that causes direct exposure of a leather band to water.
  • The inside surface of the watch glass may fog when the watch is exposed to a sudden drop in temperature. No problem is indicated if the fogging clears up relatively quickly. Sudden and extreme temperature changes (such as coming into an air conditioned room in the summer and standing close to an air conditioner outlet, or leaving a heated room in the winter and allowing your watch to come into contact with snow) can cause it to take longer for glass fogging to clear up. If glass fogging does not clear up or if you notice moisture inside of the glass, immediately stop using your watch and take it to your original retailer or to an authorized CASIO service center.
  • Your water-resistant watch has been tested in accordance with International Organization for Standardization regulations.

Band

  • Tightening the band too tightly can cause you to sweat and make it difficult for air to pass under the band, which can lead to skin irritation. Do not fasten the band too tightly. There should be enough room between the band and your wrist so you can insert your finger.
  • Deterioration, rust, and other conditions can cause the band to break or come off of your watch, which in turn can cause band pins tofly out of position or to fall out. This creates the risk of your watch falling from your wrist and becoming lost, and also creates the risk of personal injury. Always take good care of your band and keep it clean.
  • Immediately stop using a band if you even notice any of the following: loss of band flexibility, band cracks, band discoloration, band looseness, band connecting pin flyingor falling out, or any otherabnormality. Take your watch to your original retailer or to a  CASIO service center for inspection and repair (for which you will be charged) or to have the band replaced (for which you will be charged).

Temperature

  • Never leave your watch on the dashboard of a car, near a heater, or in any other location that is subject to very high temperatures. Do not leave your watch where it will be exposed to very low temperatures. Temperature extremes can cause your watch to lose or gain time, to stop, or otherwise malfunction.
  • Leaving your watch in an area hotter than +60 °C (140 °F) for long periods can lead to problems with its LCD. The LCD may become difficult to read at temperatures lower than 0 °C (32 °F) and greater than +40 °C (104 °F).

Impact

  • Your watch is designed to withstand impact incurred during normal daily use and duringlight activity such as playing catch, tennis, etc. Dropping your watch or otherwise subjecting it to strong impact, however, can  lead to malfunction. Note that watches with shock-resistant designs (G‑SHOCK,BABY‑G, G‑MS) can be worn whileoperating a chain saw or engaging in other  activities that generate strong vibration, or while engaging in strenuous sports activities (motocross, etc.)

Magnetism

  • Though a digital watch normally is not affected by magnetism, very strong magnetism (from medical equipment, etc.) should be avoided because it can cause malfunction and damage to electronic components.

Electrostatic Charge

  • Exposure to very strong electrostatic charge can cause your watch to display the wrong time. Very strong electrostatic charge even can damage electronic components.
  • Electrostatic charge can cause the display to go blank momentarily or cause a rainbow effect on the display.
  • Chemicals
  • Do not allow your watch to come into contact with thinner, gasoline, solvents,oils, or fats, or with any cleaners, adhesives, paints, medicines, or cosmetics that contain  such ingredients. Doing so can cause discoloration of or damage to the resin case, resin band, leather, and other parts.

Storage

  • If you do not plan to use your watch for a long time, thoroughly wipe it free of all dirt, sweat, and moisture, and store it in a cool, dry place.
  • Resin Components
  • Allowing your watch to remain in contact with other items or storing it together with other items for long periods while it is wet can cause color on resin components to transfer to the other items, or the color of the other items to transfer to the resin components of your watch. Be sure to dry off your watch thoroughly before storing it and make sure it is not in contact with other items.
  • Leaving your watch where it is exposed to direct sunlight (ultraviolet rays) for long periods or failure to clean dirt from your watch for long periods can cause it to become discolored.
  • Friction caused by certain conditions (strong external force, sustained rubbing, impact, etc.) can cause discoloration of painted components.
  • If there are printed figures on the band, strong rubbing of the printed area can cause discoloration.
  • Leaving your watch wet for long periods can cause fluorescent color to fade. Wipe the watch dry as soon as possible after it becomes wet.
  • Semi-transparent resin parts can become discolored due to sweat and dirt, and if exposed to high temperatures and humidity for long periods.
  • Daily use and long-term storage of your watch can lead to deterioration, breaking, or bending of resin components. The extent of such damage depends on usage conditions and storage conditions.

Leather Band

  • Allowing your watch to remain in contact with other items or storing it together withother items for long periods while it is wet can cause the color of the leather band totransfer to the other items or the color of the other items to transfer to the leather band. Be sure to dry off your watch thoroughly with a soft cloth before storing it and make sure it is not in contact with other items.
  • Leaving a leather band where it is exposed to direct sunlight (ultraviolet rays) for long periods or failure to clean dirt from a leather band for long periods can cause it to become discolored.

CAUTION : Exposing a leather band to rubbing or dirt can cause color transfer and discoloration.

  • Metal Components
  • Failure to clean dirt from metal components can lead to formation of rust, even if components are stainless steel or plated. If metal components exposed to sweat or water, wipe thoroughly with a soft, absorbent cloth and then place the watch in a well-ventilated location to dry.
  • Use a soft toothbrush or similar tool to scrub the metal with a weak solution of water and a mild neutral detergent, or with soapy water. Next, rinse with water to remove all remaining detergent and then wipe dry with a soft absorbent cloth. When washing metal components, wrap the watch case with kitchen plastic wrap so it does not come into contact with the detergent or soap.
  • Bacteria and Odor Resistant Band
  • The bacteria and odor resistant band protects against odor generated by the formation of bacteria from sweat, which ensures comfort and hygiene. In order to ensure maximum bacteria and odor resistance, keep the band clean. Use an absorbent soft cloth to thoroughly wipe the band clean of dirt, sweat, and moisture. A bacteria and odor resistant band suppresses the formation of organisms and bacteria. It does not protect against rash due to allergic reaction, etc.
  • Liquid Crystal Display
  • 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 watch or its malfunction.

User Maintenance

  • Caring for Your Watch
    Remember that you wear your watch next to your skin, just like a piece of clothing. Toensure your watch performs at the level for which it is designed, keep it clean by frequently wiping with a soft cloth to keep your watch and band free of dirt, sweat, water and other foreign matter.

  • Whenever your watch is exposed to sea water or mud, rinse it off with clean fresh water.

  • For a metal band or a resin band with metal parts, use a soft toothbrush or similar tool to scrub the band with a weak solution of water and a mild neutral detergent, or with soapy water. Next, rinse with water to remove all remaining detergent and then wipe dry with a soft absorbent cloth. When washing the band, wrap the watch case with kitchen plastic wrap so it does not come into contact with the detergent or soap.

  • For a resin band, wash with water and then wipe dry with a soft cloth. Note that sometimes a smudge like pattern may appear on the surface of a resin band. This will not have any effect on your skin or clothing. Wipe with a cloth to remove the smudge pattern.

  • Clean water and sweat from a leather band by wiping with a soft cloth.

  • Not operating a watch crown, buttons, or rotary bezel could lead to later problems with their operation. Periodically rotate the crown and rotary bezel, and press buttons to maintain proper operation.

Dangers of Poor Watch Care

Rust

  • Though the metal steel used for your watch is highly rust-resistant, rust can form if your watch is not cleaned after it becomes dirty.
  • Dirt on your watch can make it impossible for oxygen to come into contact with the metal, which can lead to breakdown of the oxidization layer on the metal surface and the formation of rust.
  • Rust can cause sharp areas on metal components and can cause band pins to fly out of position or to fall out. 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 clean, sweat and rust in crevasses can soil the sleeves of clothing, cause skin irritation, and even interfere with watch performance.

Premature Wear

  • Leaving sweat or water on a resin band or bezel, or storing your watch an area subject to high moisture can lead to premature wear, cuts, and breaks.

Skin Irritation

  • Individuals with sensitive skin or in poor physical condition may experience skin irritation when wearing a watch. Such individuals should keep their leather band or resin band particularly clean. Should you ever experience a rash or other skin irritation, immediately remove your watch and contact a skin care professional.

Battery

  • The special rechargeable battery used by your watch is not intended to be removed or replaced by you. Use of a rechargeable battery other than the special one specified for your watch can damage your watch.
  • The rechargeable (secondary) battery is charged when the solar panel is exposed tolight, so it does not require regularreplacement as the primary battery requires. Note, however, that long use or operating conditions can cause thecapacity or charging efficiency of the rechargeable battery to deteriorate. If you feel that the amount of operation provided by charging is too short, contact your original retailer or CASIO service center.

Before Getting Started…

This section provides an overview of the watch and introduces convenient ways it can be used.

Watch Features

  • Solar Charging
    Sunlight and artificial light generate electricity for watch operation as it charges.

  • World Time
    You can display the current time in any one of 48 cities around the globe, as well as for UTC (Coordinated Universal Time). You can select up to five cities in the World Time Mode.

  • Alarm
    An alarm sounds whenever a time specified by you is reached.

  • Stopwatch
    The stopwatch measures elapsed time in units of one second (1/100 second for the first hour) up to 24 hours.

  • Timer
    Countdown from a start time specified by you. An alarm sounds when the countdown reaches zero.

Note: The illustrations included in this operation guide have been created to facilitate explanation. An illustration may differ somewhat from the item it represents.

General Guide

  1. Day of the week
  2. Month, day
  3. Hour, minute, second
  • A. button
    Holding down this button for at least two seconds in any mode displays the setting screen.

  • B. button
    Press to turn on illumination.

  • C. button
    Each press cycles between watch modes. In any mode, hold down this button for at least one second to return to the Timekeeping Mode.

  • D. button
    Pressing this button while any setting screen is displayed will change the setting.

Indicators

  1. A. Displayed while the snooze alarm is turned on.
  2. B. Displayed while an alarm is turned on.
  3. C. Displayed while the hourly time signal is enabled.
  4. D. Displayed while the button operation tone is disabled.
  5. E. Displayed during p.m. times while 12-hour timekeeping is being used.
  6. F. Displayed while Power Saving is enabled.
  7. G. Displayed while the watch is indicating summer time.
  8. H. Shows the current charge level.

Navigating Between Modes
Press (C) to cycle between modes.

  • In any mode, hold down (C) for at least one second to return to the Timekeeping Mode.

CASIO-GMS-S5600RT-4-Smart-Watch-fig-3

Charging
This watch runs on power supplied from a rechargeable (secondary) battery that is charged by a solar panel. The solar panel is integrated into the face of the watch, and power is generated whenever the face is exposed to light.

  • Charging the Watch
    When you are not wearing the watch, put it in a location where it is exposed to bright light.

CASIO-GMS-S5600RT-4-Smart-Watch-fig-4

While you are wearing the watch, make sure that its face (solar panel) is not blocked from light by the sleeve of your clothing. Power generation efficiency is reduced even when the face of the watch is blocked only partially.

Important!

  • Some light sources and environments can cause the watch to become extremely hot during charging, which creates the risk of burn injury and damage to internal watch components. Avoid charging the watch under conditions like the ones described below, where the temperatures may exceed 60 °C (140 °F).
    • On the dashboard of a vehicle parked in the sun.
    • Near incandescent lamps, camera lights, halogen lamps, or other sources of heat.
    • In locations exposed to direct sunlight for long periods and other hot locations.

Checking the Charge Level
A display indicator shows the watch’s current charge level.

Charge Level 3: Low
[L] and [LOW] flash on the display and the functions below become disabled.

  • Face illumination
  • Sounds (alarm, etc.)
  • All functions except for the Timekeeping Mode

Charge Level 4: Low
When the battery charge drops lower than Level 3, [CHG] starts to flash on the display and all functions become disabled.

Charge Level 5: Dead
The digital display will go blank if the battery goes dead. Memory data is lost, and watch settings are returned to their initial factory defaults.

Important! Should the battery go low or go dead, expose the face (solar panel) to light as soon as possible.

Note: When [H], [M], and [L] are all flashing on the display, it means that all functions are disabled due to momentary battery power consumption. [H], [M], and [L] are flashing on the display.

Charging Time Guidelines
The table below shows guidelines for approximate charging times.

Charging Times Required for 1 Day of Operation

Light Level (Lux)| Approximate

Charging Time

---|---
50,000| 5 minutes
10,000| 24 minutes
5,000| 48 minutes
500| 8 hours

Charge Recovery Times
Sunny day, outdoors (50,000 lux)

Dead battery n Medium charge 3 hours
Medium charge n High charge 25 hours
High charge n Full charge 7 hours

Sunny day, near a window (10,000 lux)

Dead battery n Medium charge 10 hours
Medium charge n High charge 127 hours
High charge n Full charge 34 hours

Overcast day, near a window (5,000 lux)

Dead battery n Medium charge 19 hours
Medium charge n High charge 257 hours
High charge n Full charge 69 hours

Indoor fluorescent lighting (500 lux)

Dead battery n Medium charge 271 hours
Medium charge n High charge
High charge n Full charge

Note

  • Actual charging time depends on the charging environment, watch settings, and other factors.

  • Power Saving Function
    Leaving the watch in a dark location for about one hour between the hours of 10 p.m. and 6 a.m. will cause the display to go blank, and the watch to enter Level 1 power saving. If the watch is left in this condition for six or seven days, the watch will enter Level 2 power saving.

  • Power Saving Level 1:
    Digital display goes blank to save power.

  • Power Saving Level 2:
    Digital display goes blank to save power. All functions are disabled.

Recovering from Power Saving Operation
Use one of the operations below to exit power saving.

  • Press any button.
  • Move the watch to a bright location.

Note

  • The watch will not enter power saving in the cases below.
    • While in the Stopwatch Mode
    • While in the Timer Mode
  • You can enable or disable Power Saving as required. Configuring Power Saving

Function Settings

  • Note that the watch also may enter power saving if its face is blocked from light by your sleeve while you are wearing it.

Viewing the Face in the Dark
The watch has a light that illuminates the face for viewing in the dark.

  • Turning On Illumination
  • Press (B) to turn on illumination.
  • Illumination will turn off automatically if an alarm starts to sound.

Important! Frequent use of illumination will run down the battery.

Note: Display illumination is disabled when any one of the conditions below exists.Alarm, timer alert, or other beeper sounding.

Specifying the Illumination Duration You can select either 1.5 seconds or three seconds as the illumination duration.

  1. Enter the Timekeeping Mode.
    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.

  3. Press (C) 12 times.
    This will cause [1] or [3] to appear on the display.

  4. Press (D) to toggle between the two illumination duration settings.

    • [1]: 1.5-second illumination
    • [3]: 3-second illumination
  5. Press (A) to complete the setting operation.

Note: While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non- operation.

Time Adjustment

Use the procedures in this section to adjust the date and time settings.

Adjusting the Current Time Setting
Use the procedures below to adjust the current date and time settings, and to select a Home City.

Setting a Home City
Use the procedure in this section to select a city to use as your Home City. If you are in an area that observes summer time, you can also configure a summer time setting.

  1. Enter the Timekeeping Mode. 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.
  3. Use (B) and (D) to change the Home City setting.
    • Holding down (B) or (D) scrolls through settings at high speed.
    • For details refer to the information below.
  4. Press (C).
  5. Use (D) to select a summer time setting.
    • [OFF] The watch always indicates standard time.
    • [ON] The watch always indicates summer time.
      1. Press (A) to complete the setting operation.

Note: While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non- operation.

Setting the Time/Date

Important!

  • Configure the Home City setting before changing the current time and date settings.
  • Setting a Home City
  1. Enter the Timekeeping Mode. 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.
  3. Keep pressing (C) until the setting you want to change is flashing.
    • Each press of (C) moves the flashing to the next setting in the sequence shown below.CASIO-GMS-S5600RT-4-Smart-Watch-fig-17
  4. Configure the date and time settings.
    • To reset the seconds to 00: Press (D). 1 is added to the minutes when the current count is between 30 and 59 seconds.
    • For all the other settings, use (B) and (D) to change the flashing setting. Holding down (B) or (D) scrolls through settings at high speed.
  5. Repeat steps 3 and 4 to select time and date settings.
  6. Press (A) to complete the setting operation.

Note: While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non- operation.

Switching between 12-hour and 24- hour Timekeeping
You can specify either 12-hour format or 24- hour format for the time display.

  1. Enter the Timekeeping Mode. 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

  3. Press (C) eight times.
    This causes [12H] or [24H] to flash on the display.

  4. Press (D) to toggle the setting between [12H] (12-hour timekeeping) and [24H] (24-hour timekeeping).CASIO-GMS-S5600RT-4-Smart-Watch-fig-20

  5. Press (A) to complete the setting operation.

Note: While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non- operation.

World Time

You can view the current time in 48 cities (31 time zones), and UTC (Coordinated Universal Time) time.

Checking World Time

  1. Enter the World Time Mode. Navigating Between ModesEntering the World Time Mode causes a World Time number and city name to appear first. After that, the display will appear as shown below.
  • To change the selected World Time city, press (D).

World Time City Setting
You can specify up to five cities as your World Time favorites. If you are in an area that observes summer time, you can also enable or disable summer time.

  1. Enter the World Time Mode. Navigating Between Modes

  2. Use (D) to display the World Time number whose setting you want to configure.

  3. Hold down (A) for at least two seconds. This causes [WT] to flash on the display.

  4. Use (B) and (D) to display the city you want to specify as a World Time City.

    • Holding down (B) or (D) scrolls through settings at high speed.
  5. If you want to change the summer time setting, press (C).

  6. Use (D) to select a summer time setting.

    • [OFF]
      The watch always indicates standard time.

    • [ON]
      The watch always indicates summer time.

  7. Press (A) to complete the setting operation.

Note

  • While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non-operation.
  • While [UTC] is selected as the city, you will not be able to change or check the summer time setting.
  • The summer time setting you configure is applied to the currently selected city only. It does not affect other cities.

Swapping Your Home City Time and World Time
In the World Time mode, press (A) and (B) at the same time to swap your Home City time with your World Time.

Alarm

The watch will beep when the alarm time is reached. You can configure up to four standard daily alarms, and one daily alarm with snooze. The hourly time signal causes the watch to beep every hour on the hour.

  • Snooze causes the alarm to sound up to seven times, at five-minute intervals.
  • The alarm sound is muted in the cases described below.
    • When battery power is low
    • When watch is at Level 2 power saving Power Saving Function

Configuring Alarm Settings

  1. Enter the Alarm Mode.Navigating Between Modes

  2. Use (D) to display the alarm screen (alarm number [1] to [4] or [SNZ]) whose setting you want to change.

  3. Hold down (A) for at least two seconds. This causes the hours digits to flash.

    • While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non-operation.
  4. Use (B) and (D) to change the hour setting.

    • Holding down (B) or (D) scrolls through settings at high speed.
    • If you are using 12-hour timekeeping, [P] indicates p.m.
  5. Press (C).
    This causes the minutes digits to flash.

  6. Use (B) and (D) to change the minute setting.

  7. Press (A) to exit the setting screen.

To stop the alarm
To stop the alarm after it starts to sound when an alarm time is reached, press any button. Snooze causes the alarm to sound up to seven times, at five- minute intervals. To cancel a snooze alarm, turn [SNZ] off. Turning Off an Alarm or the Hourly Time Signal.

Note

  • A beeper will sound for 10 seconds to let you know when the alarm time is reached.
  • The watch will automatically return to the Timekeeping Mode from the Alarm Mode after two or three minutes of non operation

Configuring the Hourly Time Signal Setting

  1. Enter the Alarm Mode. Navigating Between Modes
  2. Press (D) to display the hourly time signal screen ([SIG]).
  3. Press (A) to toggle the hourly time signal between enabled and disabled.
    • (hourly time signal) is shown on the display while the hourly time signal is enabled.

Turning Off an Alarm or the Hourly Time Signal
To stop an alarm or the hourly time signal from sounding, perform the steps below to turn it off. To have an alarm or hourly time signal sound again, turn it back on.

Note

  • Indicators are displayed while any of the alarms or the hourly time signal is turned on.
  • The applicable indicators are not displayed while all of the alarms are turned off and/or the hourly time signal is turned off.
  1. Enter the Alarm Mode. Navigating Between Modes
  2. Use (D) to display the item whose on/off setting you want to change: alarm number [1] to [4] or [SNZ], or the hourly time signal ([SIG]) screen.
  3. Press (A) to turn off the displayed alarm or the hourly time signal.
    • Each press of (A) toggles between on and off.
    • Turning off all alarms will cause (alarm) to disappear from the display, while disabling the hourly time signal causes (hourly time signal) to disappear from the display.

Note: If (alarm) is still displayed, it means that another alarm is still turned on. To turn off all of the alarms, repeat steps 2 and 3 until the (alarm) indicator is no longer displayed.

Stopwatch

The stopwatch can measure elapsed time up to 23 hours, 59 minutes, 59 seconds (24 hours).

Measuring Elapsed Time

  1. Enter the Stopwatch Mode. Navigating Between Modes
  2. Use the operations below to measure elapsed time.
    • Elapsed time is shown in 1/100-second units for the first hour of the measurement. After the first hour, elapsed time is shown in one-second units.
  3. Press (A) to reset the measurement time to all zeros.

Measuring a Split Time

  1. Enter the Stopwatch Mode. Navigating Between Modes
  2. Use the operations below to measure elapsed time.
    • Pressing (A) displays the elapsed time from the start of a race up to the point when you pressed the button (split time).
    • Elapsed time is shown in 1/100-second units for the first hour of the measurement. After the first hour, elapsed time is shown in one-second units.
  3. Press (A) to reset the measurement time to all zeros.

Timing the First and Second Place Finishers

  1. Enter the Stopwatch Mode. Navigating Between Modes
  2. Use the operations below to measure elapsed time.
    • This displays the time of the first finisher.
    • Elapsed time is shown in 1/100-second units for the first hour of the measurement. After the first hour, elapsed time is shown in one-second units.
  3. Press (A) to display the time of the second finisher.
  4. Press (A) to reset the measurement time to all zeros.

Timer

The timer counts down from a start time specified by you. A beeper sounds when the end of the countdown is reached.The beeper is muted when battery power is low.

Setting the Time
The countdown start time can be set in 1- second units up to 24 hours.

  • If a timer countdown operation is in progress, reset the timer to its current start time before performing this operation. Using the Timer
  1. Enter the Timer Mode. Navigating Between Modes

  2. Hold down (A) for at least two seconds. This causes the hours digits to flash.

  3. Use (B) and (D) to change the timer hours setting.

    • Holding down (B) or (D) scrolls through settings at high speed.
  4. Press (C).
    This causes the minutes digits to flash.

  5. Use (B) and (D) to change the timer minutes setting.

  6. Press (C).
    This causes the seconds digits to flash.

  7. Use (B) and (D) to change the seconds setting.

  8. Press (A) to exit the setting screen.

Note

  • While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non-operation.
  • Setting a start time of [0:00 00] will perform a countdown of 24 hours.

Using the Timer

  1. Enter the Timer Mode.  Navigating Between Modes
  2. Use the operations below to perform a timer operation
    • A beeper will sound for 10 seconds to let you know when the end of a countdown is reached.
    • To reset a paused countdown to the start time, press (A).
  3. Press any button to stop the tone.

Other Settings

This section explains other watch settings you can configure.

Changing the Date Display Format
You can select either month/day or day/month as the date display format.

  1. Enter the Timekeeping Mode. 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.

  3. Press (C) nine times.
    This displays a screen for selecting the date display format.

  4. Use (D) to select a date display format.

    • M: Month
    • DD: DayCASIO-GMS-S5600RT-4-Smart-Watch-fig-52
  5. Press (A) to exit the setting screen.

Note: While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non- operation.

Specifying the Day of the Week Language
You can select any one of six languages for the day of the week display in the Timekeeping Mode.

  1. Enter the Timekeeping Mode. 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.CASIO-GMS-S5600RT-4-Smart-Watch-fig-53
  3. Press (C) 10 times. This causes the language setting to flash.
  4. Use (D) to select a language.
  5. Press (A) to exit the setting screen.

Note: While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non- operation.

Enabling the Button Operation Tone

Use the procedure below to enable or disable the tone that sounds when you press a button.

  1. Enter the Timekeeping Mode. 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.

  3. Press (C) 11 times.
    This causes [KEY♪] or [MUTE] to flash on the display.

  4. Use (D) to select [KEY♪] or [MUTE].

    • [KEY♪]: Operation tone enabled.
    • [MUTE]: Operation tone muted.
  5. Press (A) to exit the setting screen.

Note

  • While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non-operation.
  • Note that alarm and timer tones will still sound even while the operation tone is muted.

Configuring Power Saving Function Settings

  1. Enter the Timekeeping Mode. 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.CASIO-GMS-S5600RT-4-Smart-Watch-fig-58

  3. Press (C) 13 times.
    This displays [POWER SAVING].

  4. Press (D) to toggle between ON and OFF.

    • [On]: Power Saving enabled.
    • [OFF]: Power Saving disabled.
  5. Press (A) to exit the setting screen.

Note

  • While the setting is being configured, the watch will exit the setting operation automatically after about two or three minutes of non-operation.
  • For details about Power Saving, refer to the information below. Power Saving Function.

Other Information
This section provides non-operational information you also need to know. Refer to this information as required.

City Table

City Offset
UTC Coordinated

Universal Time

|

0

LISBON| Lisbon
LONDON| London
MADRID| Madrid|

+1

PARIS| Paris
ROME| Rome
BERLIN| Berlin
STOCKHOLM| Stockholm
ATHENS| Athens|

+2

CAIRO| Cairo
JERUSALEM| Jerusalem
MOSCOW| Moscow| +3
JEDDAH| Jeddah
TEHRAN| Tehran| +3.5
DUBAI| Dubai| +4
KABUL| Kabul| +4.5
KARACHI| Karachi| +5
DELHI| Delhi| +5.5
KATHMANDU| Kathmandu| +5.75
DHAKA| Dhaka| +6
YANGON| Yangon| +6.5
BANGKOK| Bangkok| +7
SINGAPORE| Singapore|

+8

HONG KONG| Hong Kong
BEIJING| Beijing
TAIPEI| Taipei
SEOUL| Seoul| +9
TOKYO| Tokyo
ADELAIDE| Adelaide| +9.5
GUAM| Guam| +10
SYDNEY| Sydney
NOUMEA| Noumea| +11
WELLINGTON| Wellington| +12
PAGO PAGO| Pago Pago| -11
HONOLULU| Honolulu| -10
ANCHORAGE| Anchorage| -9
VANCOUVER| Vancouver| -8
LOS ANGELES| Los Angeles
EDMONTON| Edmonton| -7
DENVER| Denver
MEXICO CITY| Mexico City| -6
CHICAGO| Chicago
NEW YORK| New York| -5
HALIFAX| Halifax| -4
City| Offset
---|---
ST. JOHN’S| St. John’s| -3.5
BUENOS AIRES| Buenos Aires| -3
RIO DE JANEIRO| Rio de Janeiro
F. DE NORONHA| Fernando de

Noronha

| -2
PRAIA| Praia| -1

  • The information in the above table is current as of July 2023.
  • Time zones may change and UTC differentials may become different from those shown in the table above.

Specifications

  • Accuracy at normal temperature:
    ±15 seconds a month

  • Timekeeping:
    Hour, minute, second, month, day, day of the week a.m./p.m.(P)/24-hour timekeeping Full Auto Calendar (2000 to 2099)

  • World Time:

    • 48 cities (31 time zones) and Coordinated
    • Universal Time (UTC)
    • Summer time
  • Home City Time swapping Alarm:

    • Alarms: 5 (with one snooze alarm)
    • Setting units: Hours, minutes
    • Alarm tone duration: 10 seconds
    • Hourly time signal: Beep every hour on the hour
  • Stopwatch:

    • Measurement units: 1/100 seconds (first hour); 1 second (after first hour)
    • Measuring range: 23 hours, 59 minutes, 59 seconds (24 hours)
    • Measurement Functions: Elapsed time, split times, 1st and 2nd place finisher times.
  • Timer:

    • Measuring unit: 1 second
    • Countdown range: 24 hours
    • Setting unit: 1 second
    • 10-second beeper when the end of the countdown is reached
  • Other :

    • LED backlight (Super Illuminator, afterglow, 1.5 or 3-second selectable illumination duration), power saving, battery level indicator, operation tone on/off, selectable date format, selectable day of the week language
  • Power Supply:

    • Solar panel and one rechargeable battery
    • Battery operating time: Approximately 13 months
  • Conditions:

    • Not exposed to light under the conditions below.
    • Alarm: Once (10 seconds)/day
    • Illumination: Once (1.5 seconds)/day
    • Power Saving: 6 hours/day

Specifications are subject to change without notice.

Troubleshooting

World Time

Q1 The time for a World Time City is not correct.
The summer time setting (standard time/ summer time) is wrong. World Time City Setting

Alarm and Hourly Time Signal

Q1 An alarm does not sound.

Is the watch’s battery charged?
Keep the watch exposed to light until it  recharges sufficiently. Charging Other than the above. The alarm’s settings may not be configured. Configure the alarm settings. Configuring Alarm Settings

Q2 The hourly time signal does not sound.

Is the watch’s battery charged?
Keep the watch exposed to light until it recharges sufficiently. Charging Other than the above. The hourly time signal may be disabled. Enable the hourly time signal Configuring the Hourly Time Signal Setting

Charging

Q1 The watch does not work even though it is exposed to light.
The watch stops operating whenever the battery goes dead. Keep the watch exposed to light until it recharges sufficiently.

Q2 [H], [M], and [L] are flashing on the display.
The watch is in the charge recovery mode. Wait until the recovery process is complete (about 15 minutes). The watch will recover more quickly if you place it in a brightly lit location.

  • If an alarm, hourly time signal, illumination and/or other power-intensive functions are used within a short period of time, the charging capacity of the battery will drop and cause the watch to go into a charge recovery mode. Function availability will be temporarily limited, but functionality will return after the battery recovers.

Q3 [CHG] is flashing on the display.
The charge level of the watch is extremely low. Immediately expose the watch to light to charge it. Other

Q1 I can’t find the information I need here.
Visit the website below.
https://world.casio.com/support/

Documents / Resources

| CASIO GMS-S5600RT-4 Smart Watch [pdf] Installation Guide
GMS-S5600RT-4 Smart Watch, GMS-S5600RT-4, Smart Watch, Watch
---|---

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