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MA2111-A
© 2021 CASIO COMPUTER CO., LTD.
User's Guide
Watch
5679 EN

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Summary of Contents for Casio 5679

  • Page 1 MA2111-A © 2021 CASIO COMPUTER CO., LTD. User’s Guide Watch 5679 EN...
  • Page 2 Congratulations upon your selection of this CASIO watch. To ensure that this watch provides you with the years of service for which it is designed, carefully read and follow the instructions in this manual, especially the information under “Operating Precautions” and “User Maintenance”.
  • Page 3 About This Manual • Depending on the model of your watch, display text appears either as dark figures on a light background, or light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background.
  • Page 4: Table Of Contents

    Contents About This Manual ....................EN-1 Watch Features ....................EN-5 Selecting a Mode ....................EN-6 Timekeeping ...................... EN-10 To set the digital time and date ..............EN-11 To toggle between 12-hour and 24-hour timekeeping ........EN-14 To toggle the Timekeeping Mode digital time between DST and Standard Time ................EN-15 To adjust the analog time ................EN-16 Telememo ......................
  • Page 5 To delete a Telememo record ................EN-23 World Time ......................EN-25 To set the World Time ..................EN-26 To view the time in another city code ............EN-27 To toggle a city code time between Standard Time and Daylight Saving Time ..........EN-28 Alarm ........................EN-29 To set an alarm time ..................EN-30 To test the alarm ....................EN-32 To turn an alarm and the Hourly Time Signal on and off ........EN-32...
  • Page 6 Specifications ....................EN-38 Operating Precautions ..................EN-40 User Maintenance .................... EN-51 EN-4...
  • Page 7: Watch Features

    Watch Features Telememo ◆ Telememo lets you store up to 30 records, each containing name and telephone number data. World Time ◆ Display the current time in any one of 32 cities (29 time zones) around the globe. Alarm ◆ Timer ◆...
  • Page 8: Selecting A Mode

    Selecting a Mode • Press C to change from mode to mode. After you perform an operation in any mode, pressing C returns to the Timekeeping Mode. Timekeeping Mode Telememo Mode World Time Mode EN-6...
  • Page 9 Hand Setting Mode Alarm Mode Stopwatch Mode Timer Mode EN-7...
  • Page 10 Auto Return Feature • The watch automatically returns to the Timekeeping Mode if you do not perform any button operation for two or three minutes in the Telememo, Alarm, or Hand Setting Mode. • If you leave a screen with flashing digits or a cursor on the display for two or three minutes without performing any operation, the watch automatically exits the setting screen.
  • Page 11 Initial Screens • When you enter the Telememo, World Time, or Alarm Mode, the data you were viewing when you last exited the mode appears first. EN-9...
  • Page 12: Timekeeping

    Timekeeping This watch features separate digital and analog timekeeping. The procedures for setting the digital time (page EN-11) and analog time (page EN-15) are different. • In the Timekeeping Mode, press A to toggle the display between the date screen and the time screen.
  • Page 13: To Set The Digital Time And Date

    Digital Time and Date Use the Timekeeping Mode to set and view a digital display of the current time and date. When setting the digital time, you can also configure settings for summer time (Daylight Saving time or DST). To set the digital time and date 1.
  • Page 14 3. When the setting you want to change is flashing, use B and D to change it as described below. Screen To do this: Do this: Reset the second to 00 Press D. Toggle between Daylight Saving Time (ON) Press D. and Standard Time (OFF) Change the hour or minute Use B (–) and D (+).
  • Page 15 4. Press A to exit the setting screen. • Resetting the seconds only (without changing the hour, minute, or DST setting) causes the analog minute hand setting to be adjusted automatically. If you change the hour, minute, or DST setting, you should also use the procedure under “To adjust the analog time”...
  • Page 16: To Toggle Between 12-Hour And 24-Hour Timekeeping

    To toggle between 12-hour and 24-hour timekeeping In the Timekeeping Mode, press D to toggle between 12-hour timekeeping (indicated by A or P on the display), or 24-hour timekeeping. • With the 12-hour format, the P (PM) indicator appears on the display for times in the range of noon to 11:59 p.m.
  • Page 17: To Toggle The Timekeeping Mode Digital Time Between Dst And Standard Time

    To toggle the Timekeeping Mode digital time between DST and Standard Time 1. In the Timekeeping Mode, hold down A until the second start to flash, which indicates the setting screen. 2. Press C once to display the DST setting screen. 3.
  • Page 18: To Adjust The Analog Time

    To adjust the analog time 1. In the Timekeeping Mode, press C six times to enter the Hand Setting Mode (page EN-7). 2. Hold down A until the current digital time starts to flash, which indicates the analog setting screen. 3.
  • Page 19: Telememo

    Telememo Telememo lets you store up to 30 records, each Remaining memory containing name and telephone number data. Records Name are automatically sorted based on the characters of the name. You can recall records by scrolling through them on the display. •...
  • Page 20: To Create A New Telememo Record

    To create a new Telememo record 1. In the Telememo Mode, press B and D at the same time to display the new data screen. • The new data screen shows ———, which indicates that there is no text in the name field. •...
  • Page 21 — (space) A to Z 0 to 9 • You can input spaces, alpha characters, symbols, and numbers in a name. For details, see the “Character List” at the back of this manual. 4. When the character you want is at the cursor position, press C to move the cursor to the right.
  • Page 22 • The name field has spaces for eight characters, so you must press C to move past the 8th character in order to get to the number field. • The number field has spaces for 16 digits. Pressing C until the cursor moves past the 16th digit causes it to jump back to the first character of the name field.
  • Page 23 10. Press A to store your data and return to the Telememo record screen (without the cursor). • After you press A to store data, the name flashes for about one second to indicate that records are being sorted. • Note that a record must have something input in the name field, otherwise you will not be able to store it.
  • Page 24: To Recall Telememo Records

    To recall Telememo records In the Telememo Mode, press D (+) to scroll through Telememo records on the display. • Only name data appears when you scroll through Telememo records. • Press A to toggle the screen between the name and number fields. Name Number •...
  • Page 25: To Edit A Telememo Record

    To edit a Telememo record 1. In the Telememo Mode, use D to scroll through the records and display the one you want to edit. 2. Hold down A until the flashing cursor appears on the display. 3. Use C to move the flashing to the character you want to change. 4.
  • Page 26 3. Press B and D at the same time to delete the record. • CLR appears to indicate that the record is being deleted. After the record is deleted, the cursor appears on the display, ready for input. 4. Input data or press A to return to the Telememo record screen. EN-24...
  • Page 27: World Time

    World Time World Time digitally displays the current time in 30 cities City code (29 time zones) around the world. • All of the operations in this section are performed in the World Time Mode, which you enter by pressing C (page EN-6). World Time The time settings of the Timekeeping Mode and the World Time Mode are independent of each other, so...
  • Page 28: To Set The World Time

    • If your location is not included in the preset city codes, select the preset city code that is in the same time zone as your location. • For full information on city codes, see the “City Table” at the back of this manual. To set the World Time 1.
  • Page 29: To View The Time In Another City Code

    4. While a setting is flashing, use B and D to change it. • Pressing B and D at the same time while any World Time setting is flashing causes the displayed time to change to the same setting as the current Timekeeping Mode time.
  • Page 30: To Toggle A City Code Time Between Standard Time And Daylight Saving Time

    To toggle a city code time between Standard Time and Daylight Saving Time 1. In the World Time Mode, use D to display the city code whose Standard Time/Daylight Saving Time setting you want to change. 2. Hold down A until the DST On/Off setting of the world time starts to flash, which indicates the setting screen.
  • Page 31: Alarm

    Alarm You can set three independent Daily Alarms. When an AM indicator alarm is turned on, the alarm tone sounds when the alarm time is reached. One of the alarms is a snooze alarm (SNZ). You can turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour.
  • Page 32: To Set An Alarm Time

    To set an alarm time 1. In the Alarm Mode, use D to scroll through the alarm screens until the one whose time you want to set is displayed. • To set a daily alarm, display one of the daily alarm screens: AL1, AL2 or SNZ (snooze alarm).
  • Page 33 4. While a setting is flashing, use B (–) and D (+) to change it. • When setting the alarm time using the 12-hour format, take care to set the time correctly as a.m. (A indicator) or p.m. (P indicator). 5.
  • Page 34: To Test The Alarm

    To test the alarm In the Alarm Mode, hold down D to sound the alarm. To turn an alarm and the Hourly Time Signal on and off 1. In the Alarm Mode, use D to select an alarm or the Hourly Time Signal. 2.
  • Page 35 • The above on indicators appear on the display in all modes. • An on indicator on the display flashes while its corresponding alarm operation is sounding. • The snooze alarm on indicator flashes during the 5-minute intervals between alarms. EN-33...
  • Page 36: Timer

    Timer The countdown timer can be set within a range of one Seconds minute to 24 hours. An alarm sounds when the countdown reaches zero. • All of the operations in this section are performed in the Timer Mode, which you enter by pressing C (page EN-7).
  • Page 37: To Use The Timer

    To use the timer Press D while in the Timer Mode to start the countdown timer. • When the end of the countdown is reached, the alarm sounds for 10 seconds or until you stop it by pressing any button. The countdown time is automatically reset to its starting value after the alarm stops.
  • Page 38: Stopwatch

    Stopwatch The stopwatch lets you measure elapsed time, split times, Seconds and two finishes. 1/100 second • The display range of the stopwatch is 23 hours, 59 minutes, 59.99 seconds. • The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it. •...
  • Page 39: To Measure Times With The Stopwatch

    To measure times with the stopwatch Elapsed Time Start Stop Resume Stop Reset Split Time Start Split Split release Stop Reset Two Finishes Start Split Stop Split release Reset First runner finishes. Second runner Display time of Display time of first finishes.
  • Page 40 Specifications Accuracy at normal temperature: ± 30 seconds a month Timekeeping: Hour, minute, second, a.m. (A)/p.m. (P), month, day, day of the week Time format: 12-hour and 24-hour Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099 Other: 2 screen formats (Date, Time); Daylight Saving Time (summer time)/ Standard Time Telememo: Memory capacity: Up to 30 records, each including a name (8 characters) and...
  • Page 41 Timer: Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Stopwatch: Measuring unit: 1/100 of a second Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, two finishes Other: 2 analog hands: hour, minute (hand moves every 20 seconds) Battery: One lithium battery (Type: CR2025) Approximately 10 years on type CR2025 (assuming alarm operation 10 sec./day) Specifications are subject to change without notice.
  • Page 42 Operating Precautions Water Resistance • The information below applies to watches with WATER RESIST or WATER RESISTANT marked on the back cover. Enhanced Water Resistance Under Water Daily Use Resistance Under Daily 20  Atmospheres Atmospheres Atmospheres On watch front or on Marking 5BAR 10BAR...
  • Page 43 • 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.
  • Page 44 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.
  • Page 45 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).
  • Page 46 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.
  • Page 47 Magnetism • The hands of analog and combination (analog-digital) watches are moved by a motor that uses magnetic force. When such a watch is close to a device (audio speakers, magnetic necklace, cell phone, etc.) that emits strong magnetism, the magnetism can cause timekeeping to slow down, speed up, or stop, resulting in the incorrect time being displayed.
  • Page 48 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.
  • Page 49 • 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.
  • Page 50 Leather Band • 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 the color of the leather band to transfer to the other items or the color of the other items to transfer to the leather band.
  • Page 51 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.
  • Page 52 • Allowing the battery to go dead, replacing the battery, or having your watch repaired can cause all data in watch memory to be lost. Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damages or losses caused by data lost due to malfunction or repair of your watch, replacement of the battery, etc.
  • Page 53 User Maintenance Caring for Your Watch Remember that you wear your watch next to your skin, just like a piece of clothing. To ensure 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.
  • Page 54 • 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.
  • Page 55 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.
  • Page 56 Battery Replacement • Leave battery replacement up to your original retailer or authorized CASIO service center. • Have the battery replaced only with the type specified in the User’s Guide. Use of a different battery type can cause malfunction. •...
  • Page 57 Initial Battery • The battery that comes loaded in your watch when you purchase it is used for function and performance testing at the factory. • The test battery may go dead quicker than the normally rated battery life as noted in the User’s Guide.
  • Page 58 Character List City Table...
  • Page 59 Character List...
  • Page 60 City Table City UTC Offset/ City UTC Offset/ City City Code GMT Differential Code GMT Differential PAGO PAGO –11 JEDDAH HONOLULU –10 MOSCOW ANCHORAGE –9 TEHRAN +3.5 LOS ANGELES –8 DUBAI DENVER –7 KABUL +4.5 CHICAGO –6 KARACHI NEW YORK –5 DELHI +5.5...
  • Page 61 • Above table data is current as of January 2021. • This table shows the city codes of this watch. • The rules governing global times (UTC offset and GMT differential) and summer time are determined by each individual country.
  • Page 62 CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan...

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