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Casio 5086 User Manual

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MA1108-EB

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  • Page 1 MA1108-EB...

  • Page 2: Countdown Timer

    Thank you for purchasing this CASIO watch. To ensure that it can provide you with the years of service for which it is designed, be sure to read this manual carefully and follow the instructions contained herein. Pay particular attention to the Safety Precautions on the following pages.

  • Page 3: Safety Precautions

    Safety Precautions Symbols This manual and the watch itself use various symbols that are intended to ensure safe operation of the watch, to prevent injury to you and others, and to protect against material damage and loss. The following explains the meanings of the symbols. Example Symbols symbol indicates something you need to exercise caution about.
  • Page 4 Disregarding information with this label Danger! creates the risk of death or serious personal injury. Disregarding information with this label could possibly create the risk of death or Warning! serious personal injury. Disregarding information with this label Caution! could possibly create the risk of personal injury or material loss.
  • Page 5 Warning! Do not use this watch while scuba diving (aqualung). • This watch is not a diving watch. Improper use of this watch can lead to serious accident. Battery Whenever removing the button type battery, take care to ensure that the battery is not swallowed accidentally. Special care is required where young children are present.

  • Page 6: User Maintenance

    Caution! User Maintenance A dirty or rusty case or band can soil the sleeve of your clothing. Be sure to keep the case and band clean at all times. Rust tends to form easily after the watch is exposed to seawater and then left without cleaning.
  • Page 7 Caution! Skin Irritation Since the watch and the band come into direct contact with the skin, the following conditions may cause irritation of the skin. 1. When a wearer is allergic to metal or leather 2. When the watch or band is rusty dirty, sweaty, etc. 3.
  • Page 8 Caution! Never try to take the watch apart! Never try to take the watch apart. Doing so creates the risk of personal injury and malfunction of the watch.
  • Page 9 Caution! Use of the Watch To avoid unexpected accidents, always check around you to ensure you are in a safe place before looking at the display of the watch. Looking at the watch while running or jogging on the open road, while riding a bicycle, or operating a motor vehicle can lead to accidents.
  • Page 10 Caution! Use of the Watch When picking up or otherwise coming into contact with a child, remove the watch from your wrist to avoid injury to the child or causing irritation of the child’s skin.

  • Page 11: Before Using The Watch

    Before using the watch... Expose the watch to light. Your watch runs on electrical power generated from light, which is stored by a rechargeable battery. Long-term storage of the watch can cause power to run low, so be sure to expose the watch to light before using it for the first time.
  • Page 12  Though the hands are stopped, the watch continues to keep time internally.  Note that the watch also may enter the sleep state if its face is blocked from light by your sleeve.  The watch does not enter the sleep state if it is in the Stopwatch Mode or Countdown Timer Mode.

  • Page 13: Table Of Contents

    Contents Safety Precautions ..........2 Symbols ................2 Example Symbols ............2 Before using the watch........10 Expose the watch to light..........10 Power Saving .............10 Modes and Indicators ........16 Solar Charging ............18 How a Radio-controlled Watch Works ....24 What is a radio-controlled watch? ......24 Calibration Signal ............25 Reception Ranges ............27 Reception Time ............30...
  • Page 14 Calibration Signal Reception Precautions ....38 Troubleshooting ............39 Stopwatch ............42 To start or stop an elapsed time operation ....... 42 To measure elapsed time ............ 44 To measure split times ............44 Countdown Timer ..........46 To set the countdown timer start time ......47 To use the countdown timer ..........
  • Page 15 Auto Hand Home Position Correction ....73 To trigger the auto hand home position correction operation manually ............. 74 Manual Home Position Correction ....75 Specifications .............82 Operating Precautions ........84 Battery ..............89 User Maintenance ..........90...

  • Page 17: Modes And Indicators

    Modes and Indicators Each press of C cycles through modes in the sequence shown below. • Stopping at a mode for about one second will cause the display to change to the data for that mode. • Operating a button while the hands are moving at high speed may cause the hands to stop temporarily.
  • Page 18 • The shape and markings of the face depend on the watch model.

  • Page 19: Solar Charging

    Solar Charging Your watch runs on electrical power generated from light, which is stored by a rechargeable battery. To ensure stable operation, make sure that the watch is exposed to light as much as possible. • Whenever you are not wearing the watch on your wrist, position it so the face (solar cell) is pointed in the direction of a source of bright light.
  • Page 20 How the solar cell and battery work While the watch is exposed to light... While the watch is not exposed to light... Your watch continues to operate even when it is not exposed to light. Leaving the watch in the dark can run down its battery and cause functions to become disabled.

  • Page 21: Charging Precautions

    Charging Precautions Avoid charging the watch in the following locations, and anywhere else where the watch may become very hot. • On the dashboard of an automobile parked in the sun • Very close to an incandescent light source or other sources of heat •...
  • Page 23 Recover Mode If you use the alarm, calibration signal receive or any other function that puts a large load on the battery, the hands will stop temporarily. During this time all watch functions will be disabled. Normal operation will return after the battery recovers. Charging Guide •...
  • Page 24 • Approximate Charge Times Required to Advance to a Higher Level Approximate Charging Time Exposure Level Until Hand (Brightness) Until Full Charge Movement Restarts Outdoor Sunlight 2 hours 23 hours (50,000 lux) Sunlight through a 6 hours 85 hours Window (10,000 lux) Daylight through a Window on an...

  • Page 25: How A Radio-Controlled Watch Works

    How a Radio-controlled Watch Works What is a radio-controlled watch? A radio-controlled watch is designed to receive a time calibration signal that contains standard time data and adjust its current time setting accordingly. After the watch receives the Standard Time signal, it performs internal calculations to determine the current time.

  • Page 26: Calibration Signal

    Calibration Signal • The Japanese calibration signal (Call Sign: JJY) is maintained by the National Institute of Information and Communications Technology (NICT). It is transmitted 24 hours a day from Mt. Otakadoya (40 kHz) located in Tamura-gun, Fukushima Prefecture, and from Mt. Hagane (60 kHz) located on the border between Saga Prefecture and Fukuoka Prefecture.
  • Page 27 Note that transmission of the Japanese calibration signal may be interrupted occasionally due to maintenance, lightning, etc. For more information, visit the website of the Japan Standard Time Group of the National Institute of Information and Communications Technology (NICT) at the following URL. http://jjy.nict.go.jp •...

  • Page 28: Reception Ranges

    Reception Ranges The table below shows the time calibration signal that the watch receives when a particular city code is selected as your Home City. • For information about the Home City setting, see page 62. See page 56 for details on city codes. Home City Receivable Transmitter (Supports signal reception)
  • Page 29 • Certain conditions can make reception impossible even when the watch is within one of the reception ranges shown above. Signals become weaker outside of the smaller circles indicated by dashed lines in the nearby maps, so the reception environment has a greater effect on signal reception.
  • Page 30 • The following also can affect signal reception: geographic contours, structures, weather, climate, time of day (afternoon, evening), noise.

  • Page 31: Reception Time

    Reception Time A receive operation can take anywhere from about two to seven minutes. • Under certain conditions, a receive operation can take as long as 14 minutes. Positioning the Watch for Best Reception Remove the watch from your wrist and place it somewhere so its top (12 o’clock side, where the antenna is located) is facing approximately in the direction of the signal transmitter.

  • Page 32: Receiving A Calibration Signal

    Important! Reception is difficult and may even be impossible in the locations described below. Avoid such locations when performing signal reception. • You should think of your watch as operating like a radio or TV when it is receiving the calibration signal. Among or near Near high-voltage Inside an automobile,...

  • Page 33: Auto Receive

    Auto receive • You will need to perform the operations described below before you can use Auto Receive. • In the Timekeeping Mode, select a Home City that supports reception of your local time calibration signal. See pages 27 to 29, and page 62 for more information.
  • Page 34 • Calibration signal reception will start automatically whenever the current time in the Timekeeping mode (page 16) reaches one of the Auto Receive Start Times shown below. Auto receive can be performed up to six times a day, but any time a signal receive operation is successful, no more auto receive operations are performed that day.

  • Page 35: Using Manual Receive

    When reception is successful After a receive operation is complete, the watch will return to regular timekeeping, which will show the newly adjusted time. When reception fails This will cause the watch to return to regular timekeeping without adjusting the time setting. Using Manual Receive Hold down A for about two seconds in the Timekeeping Mode.
  • Page 36 While reception is in progress... • The second hand will indicate the current reception status. READY (or R): Unstable reception WORK (or W): Stable reception • Keep the watch in a location where reception is stable while a receive operation is in progress. •...

  • Page 37: To Cancel A Manual Receive Operation

    When reception is complete... • When signal reception is successful, the second hand will move to YES (Y for some models) and the current time setting will be adjusted according to the received information. Next, the watch will return to regular timekeeping. •...

  • Page 38: To Check The Result Of The Last Receive Operation

    To check the result of the last receive ■ operation In the Timekeeping Mode, press A. • The second hand will move to YES (or Y) if the last receive operation was successful or to NO (or N) if the last receive operation was unsuccessful.

  • Page 39: Calibration Signal Reception Precautions

    Calibration Signal Reception Precautions • Auto receive can be performed while the watch is in the Timekeeping Mode or World Time Mode only. • The receive operation is disabled under any of the following conditions. • When a timer operation is in progress •...

  • Page 40: Troubleshooting

    Troubleshooting 1 The watch cannot receive the time calibration signal. • Is there something in the immediate area that may be interfering with reception? Even if you are within the reception range of a transmitter, electrical noise or objects between you and the transmitter can interfere with reception.
  • Page 41 3 Time calibration signal reception is successful, but the current time setting is wrong. • Are your Home City settings configured correctly? Select the correct Home City code using the procedure under “Configuring Home City Settings” on page 62. • Are the home positions of the hands off? Strong magnetism or impact can cause the hands and/or date of the watch to be off.

  • Page 43: Stopwatch

    Stopwatch The stopwatch measures elapsed time in units of 1/20 second up to 23 hours, 59 minutes, 59.95 seconds (24 hours). When the maximum limit is reached, the elapsed time returns to zero automatically and timing continues from there. To start or stop an elapsed time ■...
  • Page 44 Use the C button to enter the Stopwatch Mode as shown under “Modes and Indicators” on page 16. • Pressing D during an elapsed time operation stops the hands at the split time. Elapsed time measurement continues internally. After about five seconds, the hands will return to normal elapsed time indication.

  • Page 45: To Measure Elapsed Time

    To measure elapsed time ■ To measure split times ■ • Pressing D again while a split time is indicated will cause the hands to jump to a new (current) split time. • Pressing B while a split time is indicated will stop the elapsed time operation, causing the hands to jump to the stop time.

  • Page 47: Countdown Timer

    Countdown Timer • The Countdown Timer lets you set a start time of up to 24 hours in 1-minute steps, and then countdown from there in one-second steps. • The watch beeps for 10 seconds when the end of the countdown is reached.

  • Page 48: To Set The Countdown Timer Start Time

    Use the C button to enter the Countdown Timer Mode as shown under “Modes and Indicators” on page 16. To set the countdown timer start time ■ With the countdown timer stopped in the Countdown Timer Mode, press D. Use D (+) and A (–) to change the countdown timer start time.

  • Page 49: To Use The Countdown Timer

    To use the countdown timer ■ In the Countdown Timer Mode, press B to start and stop the countdown timer. • The right dial hands count down the time in one-second steps. • The right dial hands move counterclockwise during countdown timer operation.

  • Page 50: To Stop The Time Up Alert

    • Pressing D while the countdown timer is stopped resets the displayed time to the start time. • Pressing B while the countdown timer is stopped will restart the countdown. • When the end of the countdown is reached, the watch will beep and start an elapsed time operation.

  • Page 51: World Time

    World Time World time lets you display the current time in any one of 29 cities (29 time zones) around the world. • If the current time is not correct, check your current Home City settings and make adjustments as required (page 62). •...

  • Page 52: To Search For A City

    Use the C button to enter the World Time Mode as shown under “Buttons and Indicators” on page 16. To search for a city ■ In the World Time Mode, press D to move the second hand (which is pointing at the currently selected city code) clockwise.

  • Page 53: Summer Time

    Summer Time Summer time, or Daylight Saving Time (DST) as it is known in some countries, calls for setting clocks ahead one hour from standard time (STD) during the summer season. • Note that the start and end of daylight time, and whether it is used at all depends on each country and geographic area.

  • Page 54: To Switch Between Standard Time And Summer Time Manually

    To switch between standard time and ■ summer time manually In the World Time Mode, press D to move the second hand clockwise to the city code of the city whose STD/DST setting you want to change. • Hold down A for about two seconds to toggle the currently selected city between STD (standard time) and DST (summer time).

  • Page 55: Home Time/World Time Swapping

    Home Time/World Time Swapping Use the procedure below to swap the city you currently have selected in the World Time Mode with your Home city. Example: To swap your Home City Tokyo (TYO) with the World Time City New York (NYC) Home City World Time City Before swapping...
  • Page 56 Hold down B for about three seconds until the watch beeps. • This will make the World Time City you selected in step 1 (New York) your new Home City. • Your previous Home City (Tokyo) will be your new World Time City. Important! If you are using the watch in Japan, be sure to select TYO (Tokyo) as your Home City.

  • Page 57: City Code List

    City Code List City City City Name City Name Code Offset Code Offset Coordinated +9.5 Adelaide Universal Time Sydney London Noumea Paris Wellington Athens –11 Pago Pago Jeddah –10 Honolulu +3.5 Tehran –9 Anchorage Dubai –8 Los Angeles +4.5 Kabul –7 Denver Karachi...

  • Page 59: Alarm

    Alarm The watch will beep for 10 seconds when the Timekeeping Mode time reaches the currently set alarm time. • The alarm will sound when the current time in the Timekeeping Mode matches the alarm time. • If you do not perform any operation for about two or three minutes in the Alarm Mode, the watch will return automatically to the Timekeeping Mode.

  • Page 60: To Set The Alarm Time

    Use the C button to enter the Alarm Mode as shown under “Modes and Indicators” on page 16. To set the alarm time ■ In the Alarm Mode, use D (+) and B (–) to change the alarm setting. • Holding down either button will cause the hands to move at high speed.

  • Page 61: To Turn The Alarm On Or Off

    To turn the alarm on or off ■ In the Alarm Mode, press A to toggle the alarm on and off. To stop the time up alert ■ Pressing any button while the alert is sounding will stop it.

  • Page 63: Configuring Home City Settings

    Configuring Home City Settings Use the procedure in this section to configure your Home City (the place where you normally use the watch) and standard/summer time settings. • Use the Timekeeping Mode to configure Home City and standard/ summer time settings. In the Timekeeping Mode, keep A depressed (for about five seconds) as the...
  • Page 64 • Each press of C cycles through available settings in the sequence shown below. For information about configure time and date settings, see “Configuring Time and Date Settings Manually” (page 66). Press D to move the second hand clockwise until it points at the city you want to select as your Home City.
  • Page 65 Press B to toggle between standard time (STD) and summer time (DST). • You will not be able to change the STD/DST setting while the watch’s hands are moving to the current time for a newly selected city code. Wait until the hands stop moving.
  • Page 66 • If you want to proceed with adjusting the current time and date setting, continue from step 2 under “Configuring Time and Date Settings Manually” (page 67). If you do go the date and time adjustment procedure, note that you will not be able to return directly to this Home City and summer time setting procedure.

  • Page 67: Configuring Time And Date Settings Manually

    Configuring Time and Date Settings Manually You can use the following procedures to adjust the time and date settings when the watch is unable to receive a time calibration signal for some reason. In the Timekeeping Mode, keep A depressed (for about five seconds) as the second hand goes through the sequence described below.
  • Page 68 • Each press of C cycles through available settings in the sequence shown below. For information about the STD (standard time)/DST (summer time) setting, see “Configuring Home City Settings” (page 62). Press C. • The second hand will move to 12 o’clock, and the left dial hand will move to “0”...
  • Page 69 Use D (+) and B (–) to change the time setting in one-minute increments. • Holding down either button will cause the hands to move at high speed. Once started, high-speed hand movement will continue even if you release the button. To stop high-speed hand movement, press any button.
  • Page 70 Press C to advance to the year setting. • The year setting consists of a tens digit and a ones digit setting. Use D (ones digit) and B (tens digit) to change the year setting. • : Increases the ones digit by 1.
  • Page 71 • : Increases the tens digit by 10. Press C to advance to the month setting.
  • Page 72 Press D to move the second hand clockwise to the next month. Press C to advance to the day setting.
  • Page 73 Use D (+) and B (–) to change the day setting in one-day increments. When everything is the way you want, press A. • This will reset the seconds count to zero and return to regular timekeeping. • For best timekeeping accuracy, press A on a time signal from the TV or radio.

  • Page 74: Auto Hand Home Position Correction

    Auto Hand Home Position Correction Strong magnetism or impact can cause the hands and/or date of the watch to be off, even if the watch is able to perform the signal receive operation. Auto hand home position correction corrects the hand position automatically.

  • Page 75: To Trigger The Auto Hand Home Position Correction Operation Manually

    To trigger the auto hand home position ■ correction operation manually • Perform the following procedure when the time setting is off. In the Timekeeping Mode, hold down D for about six seconds until the second hand completes one full revolution. •...

  • Page 76: Manual Home Position Correction

    Manual Home Position Correction Strong magnetism or impact can cause the hands and/or date of the watch to be off, even if the watch is able to perform the signal receive operation. If this happens, perform the following home position correction procedure.
  • Page 77 • Each press of C cycles through available settings in the sequence shown below. Check the second hand position. Home Position Second Hand: 12 o’clock • If the second is at its proper home position, advance to step 4. • The watch will return to regular timekeeping automatically if you do not perform any operation for about two or three minutes.
  • Page 78 If the second hand home position is off Use D to adjust the second hand position. • The second hand moves clockwise only. Keep pressing the button until the second hand is at its proper home position. • Holding D will cause the hand to start to move at high speed.
  • Page 79 • If the hour, minute, and bottom dial hands all are at their proper home positions, advance to step 6. If the hour and minute hands are off Use D (+) and B (–) to adjust the hands. • Holding down either button will cause the hands to move at high speed.
  • Page 80 • If the right dial hands are at their proper home positions, advance to step 8. If the right dial hands are off Use D (+) and B (–) to adjust the right dial hands. • Holding down either button will cause the hands to move at high speed.
  • Page 81 • If left dial hand is at its proper home position, advance to step 10. If the left dial hand is off Use D (+) and B (–) to adjust the left dial hand. • Holding down either button will cause the hand to move at high speed.
  • Page 82 • If the day is at its proper home position, advance to step 12. If the day is off Use D (+) and B (–) to adjust the day. • Holding down either button will cause the day to scroll at high speed.

  • Page 83: Specifications

    Specifications Quartz Oscillation Frequency: 32,768Hz Accuracy: Within an average of ±15 seconds per month when time calibration signal reception is not performed Basic Functions: Hour, minute (moves every 10 seconds), second; 24-hour timekeeping; date; day of the week Radio-controlled Watch Functions: Auto receive; manual receive Last reception result Auto standard time/summer time switching Auto transmitter selection (for JJY, MSF/DCF77)
  • Page 84 Countdown Timer: Setting Unit: 1 minute Measurement Range: 24 hours Countdown Unit: 1 second Beeper: 10 seconds Auto switching to elapsed time measurement (1-second units) when the end of a countdown timer operation is reached World Time: Current time in 29 cities (29 time zones) around the globe, summer time, Home City Alarm: Setting Units: Hour, minute Beeper: 10 seconds...

  • Page 85: Operating Precautions

    Operating Precautions Water Resistance ■ • The following applies to watches with WATER RESIST or WATER RESISTANT marked on the back cover. Enhanced Water Resistance Under Water Daily Use resistance Under Daily Use Atmospheres Atmospheres Atmospheres On watch front or Marking 5BAR 10BAR...
  • Page 86 Should you notice any loss of flexibility, breakage, discoloration, looseness or other problem with the band, immediately contact your original retailer or an authorized CASIO service center to have it checked, repaired, or replaced. Note that you will be charged for any repair or replacement of the band.
  • Page 87 Temperature ■ • Never leave the 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 the watch where it will be exposed to very low temperatures, either.
  • Page 88 Semi-transparent resin parts can become discolored due to sweat and dirt, and if exposed to high temperatures for long periods. • Contact an authorized CASIO service center to have resin components replaced. Note that you will be charged for replacement costs.
  • Page 89 It does not protect against rash due to allergic reaction, etc. 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 this watch or its malfunction.

  • Page 90: Battery

    However, charging and discharging of the battery over the years leads naturally to a loss in its ability to sustain a charge and shortens its operating time. If this happens, contact your original retailer or authorized CASIO service center.

  • Page 91: User Maintenance

    Should your band become badly cracked or worn, be sure to have it replaced with a new one. Request band replacement from your original retailer or an authorized CASIO service center. Note that you will be charged for band replacement costs, even if your watch is still covered by its warranty.
  • Page 92 Dangers of Poor Watch Care ■ Rust • Though the stainless steel used for the watch is highly rust-resistant, rust can form if the watch is not cleaned after it becomes dirty. Failure of oxygen to come into contact with the metal because it is dirty causes breakdown of the oxidization layer on the metal surface, which leads to the formation of rust.

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