Page 1 Module No. 3069...
Page 2: Getting Acquainted
Getting Acquainted Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to read this manual carefully. • Be sure to keep all user documentation handy for future reference. Applications The built-in sensors of this watch measure direction, barometric pressure, temperature and altitude.
Page 3 • Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss suffered by you or any third party arising through...
Page 4 Keep the watch exposed to bright light The electricity generated by the solar cell of the watch is stored by a built-in battery. Leaving or Bright light using the watch where it is not exposed to light causes the battery to run down. Make sure the watch is exposed to light as much as possible.
Page 5 • The watch continues to operate, even when it is not exposed to light. Leaving the watch in the dark can cause the battery to run down, which will cause some watch functions to be disabled. If the battery goes dead, you will have to re-configure watch settings after recharging.
Page 6 • The actual level at which some functions are disabled depends on the watch model. • Frequent display illumination can run down the battery quickly and require charging. The following guidelines give an idea of the charging time required to recover from a single illumination operation. Approximately five minutes exposure to bright sunlight coming in through a window Approximately 50 minutes exposure to indoor fluorescent lighting...
Page 7: About This Manual
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 8: Table Of Contents
Contents General Guide ................. E-10 Radio-controlled Atomic Timekeeping ........... E-12 Digital Compass ................E-32 Barometer/ Thermometer ..............E-54 Altimeter ..................E-61 Altitude Data Recall ................ E-83 World Time ..................E-89 Stopwatch ..................E-91 Countdown Timer ................E-93 Alarms ....................E-95 Illumination ..................
Page 9 Procedure Lookup The following is a handy reference list of all the operational procedures contained in this manual. To specify your Home City ............. E-13 To perform manual receive ............. E-25 To turn auto receive on and off ............E-27 To check the latest signal reception results .........
Page 10 To determine the direction angle to an objective on a map and head in that direction ............E-51 To take barometric pressure and temperature readings ..... E-54 To display your current altitude ............E-65 To select the altitude measurement type ........E-67 To select an Altimeter Mode display format .........
Page 11 To measure times with the stopwatch ........... E-92 To set the countdown start time ............. E-93 To use the countdown timer ............E-94 To set an alarm time ................ E-96 To test the alarm ................E-97 To turn an alarm and the Hourly Time Signal on and off ..... E-97 To turn on illumination manually ............
Page 12: General Guide
General Guide • The illustration below shows which buttons you need to press to navigate between modes. Timekeeping Mode • In any mode, press L to illuminate the display. World Time Data Recall Mode Mode Press D. Countdown Stopwatch Mode Timer Mode Alarm Mode Receive Mode...
Page 13 • You can use buttons A, B, and C to enter a sensor mode directly from the Timekeeping Mode or from another sensor mode. To enter a sensor mode from the Data Recall, World Time, Stopwatch, Countdown Timer, Alarm, or Receive Mode, first enter the Timekeeping Mode and then press the applicable button.
Page 14: Radio-Controlled Atomic Timekeeping
Radio-controlled Atomic Timekeeping This watch receives a time calibration signal and updates its time setting accordingly. • This watch is designed to pick up the time calibration signals transmitted in Germany (Mainflingen), England (Anthorn), and the United States (Fort Collins) and the time calibration signals transmitted in Japan. •...
Page 15: To Specify Your Home City
• When using the watch outside the areas covered by the time signal transmitters, you will have to adjust the current time setting manually as required. See “Timekeeping” (page E-116) for more information about manual time settings. • The U.S. time calibration signal can be picked up by the watch while in North America.
Page 16 NYC :New York, Detroit, Miami, Boston, Montreal CHI :Chicago, Houston, Dallas/Fort Worth, New Orleans, Winnipeg, Mexico City DEN :Denver, El Paso, Edmonton, Culiacan LAX :Los Angeles, San Francisco, Las Vegas, Seattle/Tacoma, Vancouver, Tijuana 3. Press E to exit the setting screen. •...
Page 17 Time Calibration Signal Reception There are two different methods you can use to receive the time calibration signal: auto receive and manual receive. • Auto Receive With auto receive, the watch receives the time calibration signal automatically up to six times a day. When any auto receive is successful, the remaining auto receive operations are not performed.
Page 18 Important! • When getting ready to receive the time calibration signal, position the watch as shown in the nearby illustration, with its 12 o’clock side facing towards a window. Make sure there are no metal objects nearby. 12 o’clock • Make sure the watch is facing the right way. E-16...
Page 19 • Proper signal reception can be difficult or even impossible under the conditions listed below. Among or Inside or Inside a Near a Near high- Near behind among vehicle construction tension household mountains buildings site, airport, power lines appliances, or other office sources of equipment,...
Page 20 • The time calibration signal the watch will attempt to pick up depends on its current Home City code setting as shown below. Home City Code Transmitter Frequency LON, Anthorn (England) 60.0 kHz PAR, BER, ATH Mainflingen (Germany) 77.5 kHz Fukushima (Japan) 40.0 kHz TYO, SEL...
Page 21 Approximate Reception Ranges U.S. Signal U.K. and Germany Signals 2,000 miles 1,500 kilometers (3,000 kilometers) 600 miles Anthorn (1,000 kilometers) Fort Collins Mainflingen 500 kilometers 500 kilometers The Anthorn 500 kilometers signal is receivable within Fukushima this area. Fukuoka/Saga 1,000 kilometers 1,000 kilometers Japan Signals E-19...
Page 22 • Even when the watch is within the reception range of a transmitter, signal reception may be impossible at times due to the effects of geographic contours, structures, weather, the season of the year, the time of day, radio interference, etc. Note that the signal becomes weaker at distances of approximately 500 kilometers from the transmitter, which means that the influence of the conditions listed above becomes even greater.
Page 23 Auto Receive Start Times Your Home City Standard Time 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am Midnight Daylight Saving Time 2:00 am 3:00 am 4:00 am 5:00 am Midnight 1:00 am* Standard Time 2:00 am 3:00 am 4:00 am 5:00 am Midnight 1:00 am* Daylight Saving Time 3:00 am 4:00 am 5:00 am Midnight 1:00 am* 2:00 am* Standard Time 3:00 am 4:00 am 5:00 am Midnight 1:00 am* 2:00 am*...
Page 24 Note • When a calibration time is reached, the watch will receive the calibration signal only if it is in either the Timekeeping Mode or World Time Mode. Reception is not performed if a calibration time is reached while you are configuring settings.
Page 25 About the Receiving Indicator The receiving indicator shows the strength of the calibration signal being received. For best reception, be sure to keep the watch in a location where signal strength is strongest. The receiving indicator is displayed while an auto or manual receive operation is in progress.
Page 26 • Use the receiving indicator as a guide for checking signal strength and for finding the best location for the watch during signal receive operations. • Following reception of the time calibration signal and calibration of the watch’s time setting, the Level 5 receiving indicator will remain on the display in all modes.
Page 27: To Perform Manual Receive
To perform manual receive 1. Enter the Receive Mode (page E-10). Receiving 2. Place the watch on a stable surface so its 12 o’clock side is facing towards a window (page E-16). 3. Hold down A for about two seconds until starts to flash on the display.
Page 28 • If the current reception fails but a previous Receive failed reception was successful, the display shows the previous reception’s date and time, and the indicator. indicates that none of the reception operations were successful. The watch will enter the Receive Mode without changing the time setting if you press A or if you do not perform any button operation for about one or two minutes.
Page 29: To Turn Auto Receive On And Off
To turn auto receive on and off 1. Enter the Receive Mode (page E-10). 2. In the Receive Mode, hold down E until the current auto receive setting ( starts to flash. This is the setting screen. • Note that the setting screen will not appear if the currently selected Home City is one that does not support time calibration reception.
Page 30: To Check The Latest Signal Reception Results
To check the latest signal reception results Enter the Receive Mode (page E-10). • When receive is successful, the display shows the time and date that receive was successful. indicates that none of the reception operations were successful. • To return to the Timekeeping Mode, press D. E-28...
Page 31 Signal Reception Troubleshooting Check the following points whenever you experience problems with signal reception. Problem Probable Cause What you should do • The watch is not in the Receive • Enter the Receive Mode Cannot perform manual receive. and try again. Mode.
Page 32 Problem Probable Cause What you should do • Even if receive is successful, the •Check to make sure the Auto receive is turned on, but Level 5 receiving indicator watch is in a location the Level 5 disappears from the display where it can receive the receiving each day when the first auto...
Page 33 Problem Probable Cause What you should do • If the time is one hour off, the • Change the DST setting Time setting is incorrect DST setting may be incorrect. to Auto DST (page • The Home City code setting is following signal E-121).
Page 34: Digital Compass
Digital Compass A built-in bearing sensor detects magnetic north and indicates one of 16 directions on the display. Direction readings are performed in the Digital Compass Mode. You can store a direction reading in Bearing Memory and display that reading as you take subsequent readings.
Page 35: To Enter And Exit The Digital Compass Mode
To enter and exit the Digital Compass Mode 1. While in the Timekeeping Mode or in any of 12 o’clock position the other sensor modes, press C to enter the Digital Compass Mode. • At this time, the watch will start a Digital Compass operation.
Page 36: To Take A Direction Reading
To take a direction reading North pointer 1. While the watch is in the Digital Compass Mode, place it on a flat surface, or if you are 12 o’clock position wearing the watch, make sure that your wrist Direction is horizontal (in relation to the horizon). indicator 2.
Page 37 • While the watch is taking compass readings, it displays a direction angle, a direction indicator, and four direction pointers, which change dynamically when the watch is moved. The direction angle, direction indicator and direction pointers all disappear from the display after the compass reading operation is complete.
Page 38 • The following table shows the meanings of each of the direction abbreviations that appear on the display. Direction Meaning Direction Meaning Direction Meaning Direction Meaning North- East- North Northeast northeast northeast East- South- East Southeast southeast southeast South- West- South Southwest southwest...
Page 39 Digital Compass Precautions This watch features a built-in magnetic bearing sensor that detects terrestrial magnetism. This means that north indicated by this watch is magnetic north, which is somewhat different from true polar north. The magnetic north pole is located in northern Canada, while the magnetic south pole is in southern Australia.
Page 40 • Accurate direction readings are impossible while in a train, boat, air plane, etc. • Accurate readings are also impossible indoors, especially inside ferro- concrete structures. This is because the metal framework of such structures picks up magnetism from appliances, etc. Storage •...
Page 41 Calibrating the Bearing Sensor You should calibrate the bearing sensor whenever you feel that the direction readings being produced by the watch are off. There are three different calibration methods available: magnetic declination correction, bidirectional calibration, and northerly calibration. • Magnetic Declination Correction With magnetic declination correction, you input a magnetic declination angle (difference between magnetic north and true north), which allows the watch to indicate true north.
Page 42 • Bidirectional Calibration and Northerly Calibration Bidirectional calibration and northerly calibration calibrate the accuracy of the direction sensor in relation to magnetic north. Use bidirectional calibration when you want to take readings within an area exposed to magnetic force. This type of calibration should be used if the watch becomes magnetized for any reason.
Page 43: To Perform Magnetic Declination Correction
To perform magnetic declination correction 1. In the Digital Compass Mode, hold down E Magnetic declination for about two seconds until the magnetic angle direction declination angle value starts to flash. This is the setting screen. 2. Use A (+) and C (–) to change the magnetic declination angle value.
Page 44 • The illustration on page E-41, for example, shows the value you should input and the direction setting you should select when the map shows a magnetic declination of 1° West. 5. When the setting is the way you want, press E to exit the setting screen. •...
Page 45: To Perform Bidirectional Calibration
To perform bidirectional calibration 1. In the Digital Compass Mode, hold down E for about two seconds until the magnetic declination angle value starts to flash. This is the setting screen. 2. Press D twice to display the bidirectional calibration screen. •...
Page 46: To Perform Northerly Calibration
If keeps appearing, contact your original dealer or nearest authorized CASIO distributor to have the watch checked. To perform northerly calibration 1. In the Digital Compass Mode, hold down E for about two seconds until the magnetic declination angle value starts to flash.
Page 47 When disappears after about one second, try performing the calibration again. If keeps appearing, contact your original dealer or nearest authorized CASIO distributor to have the watch checked. E-45...
Page 48: To Store A Compass Reading In Bearing Memory
Bearing Memory Bearing Memory lets you store a direction Bearing Memory indicator reading and display that reading as you take subsequent readings. Bearing Memory The Bearing Memory screen displays the direction angle 12 o’clock direction angle for the stored direction, along with position an indicator in the ring around the display that also indicates the stored direction.
Page 49 2. While direction angle readings are in progress, press E. • This will cause the direction angle to flash for about one second as it is stored in Bearing Memory, and then the Bearing Memory screen will appear. • While the Bearing Memory screen is on the display, you can press C to start a 20-second direction reading operation that displays the direction angle for the direction that the 12 o’clock position of the watch is pointed.
Page 50 Using the Digital Compass While Mountain Climbing or Hiking This section provides three practical applications for using the watch’s built-in digital compass. • Setting a map and finding your current location Having an idea of your current location is important when mountain climbing or hiking.
Page 51: To Set A Map And Find Your Current Location
To set a map and find your current location 1. With the watch on your wrist, position it so the North indicated on the map face is horizontal. 2. In the Timekeeping, Digital Compass, Barometer/Thermometer, or Altimeter Mode, press C to take a compass reading. •...
Page 52: To Find The Bearing To An Objective
To find the bearing to an objective 1. Set the map so its northerly indication is aligned with north as indicated by the watch, and determine your current location. • See “To set a map and find your current location” on page E-49 for information about how to perform the above step.
Page 53: To Determine The Direction Angle To An Objective On A Map And Head In That Direction
• This will position the map in accordance with your current location, so the bearing to your objective is straight ahead of you. To determine the direction angle to an objective on a map and head in that direction 1. Set the map so its northerly indication is aligned with north as indicated by the watch, and determine your current location.
Page 54 • If you find it difficult to perform the above step while keeping everything aligned, first move into the correct position (12 o’clock position of the watch pointed at the objective) without worrying about the orientation of the map. Next, perform step 1 again to set the map. 3.
Page 55 4. After setting the map, keep the map and watch pointed in the same direction as you press E to record the currently displayed direction in Bearing Memory. • See “Bearing Memory” (page E-46) for more information. 5. Now you can advance while monitoring the indicator (indicating the direction stored in Bearing Memory) to ensure that it remains in the 12 o’clock position.
Page 56: Barometer/Thermometer
Barometer/Thermometer This watch uses a pressure sensor to measure air pressure (barometric pressure) and a temperature sensor to measure temperature. • You can calibrate the pressure sensor and the temperature sensor (page E-136) if you suspect that readings are incorrect. To take barometric pressure and temperature readings Pressing B in the Timekeeping Mode or in any Pressure...
Page 57 • The displayed barometric pressure value changes to hPa if a xxxx measured barometric pressure falls outside the range of 260 hPa to 1100 hPa. The barometric pressure value will reappear as soon as the measured barometric pressure is within the allowable range. •...
Page 58 Barometric Pressure Graph Barometric pressure indicates changes in the atmosphere. By monitoring these changes you can predict the weather with reasonable accuracy. This watch takes barometric pressure measurements automatically every two hours (at the top of each even-numbered hour), regardless of its current mode.
Page 59 A rising graph generally means improving weather. A falling graph generally means deteriorating weather. Note that if there are sudden changes in weather or temperature, the graph line of past measurements may run off the top or bottom of the display. The entire graph will become visible once barometric conditions stabilize.
Page 60 Barometric Pressure Differential Pointer This pointer indicates the relative difference between the most recent barometric pressure reading indicated on the barometric pressure graph (page E-56), and the current barometric pressure value displayed in the Barometer/Thermometer Mode (page E-54). • Pressure differential is indicated in the range of ±5 hPa, in 1-hPa units. •...
Page 61 Current pressure greater than most recent measured pressure hPa values Barometric pressure differential Current pressure less than most recent measured pressure E-59...
Page 62 About Barometric and Temperature Measurements • Barometric pressure and temperature measurement operations are performed as soon as you enter the Barometer/Thermometer Mode. After that, barometric pressure and temperature measurements are taken every five seconds. • You also can perform a barometric pressure and temperature measurement at any time by pressing B in the Barometer/Thermometer Mode.
Page 63: Altimeter
Altimeter The watch’s altimeter uses a pressure sensor to detect current air pressure, which is then used to estimate the current altitude based on ISA (International Standard Atmosphere) preset values. You also can specify a reference altitude, which the watch will use to calculate your current altitude based on the value you specify.
Page 64 • To avoid the effect of sudden temperature changes during measurement, keep the watch on your wrist in direct contact with your skin. • Do not rely upon this watch for altitude measurements or perform button operations while sky diving, hang gliding, or paragliding, while riding a gyrocopter, glider, or any other aircraft, or while engaging in any other activity where there is the chance of sudden altitude changes.
Page 65 When you measure altitude using a reference altitude specified by you After you specify a reference altitude, the watch uses that value to convert the current measured barometric pressure value to altitude. • When mountain climbing, you can set the reference value in accordance with a marker along the way or altitude information from a map.
Page 66 The Altimeter Mode gives you a choice of four different display formats (page E-68). The format you choose determines what type of data is displayed. The Altimeter Mode screen can show any three of the following four items: altitude graph, altitude value, altitude differential, and the current time. You also can select either of the following two altitude measurement types.
Page 67: To Display Your Current Altitude
To display your current altitude 1. Press A in the Timekeeping Mode or in any Current altitude of the other sensor modes to enter the Altitude Altimeter Mode. graph • The watch will start altitude measurement automatically, and display the result. •...
Page 68 Notes • Normally, displayed altitude values are based on the watch’s preset conversion values. You also can specify a reference altitude, if you want. See “Specifying a Reference Altitude” (page E-76). • Altitude is displayed in units of 5 meters. •...
Page 69: To Select The Altitude Measurement Type
To select the altitude measurement type 1. In the Altimeter Mode, hold down E for about Altitude measurement type two seconds until either OFF or the current reference altitude value starts to flash. This is the setting screen. 2. Press D to display the current altitude measurement type setting.
Page 70: To Select An Altimeter Mode Display Format
To select an Altimeter Mode display format 1. In the Altimeter Mode, hold down E for about Display format number two seconds until either OFF or the current reference altitude value starts to flash. This is the setting screen. 2. Press D twice to display the format selection screen.
Page 71 Format 1 Format 2 Format 3 Format 4 Altitude Altitude Altitude Altitude Current Current graph graph differential differential time time Altitude Altitude Current time Altitude Current time Altitude 4. Press E to exit the setting screen. • If you selected display format 3 or 4, the watch will measure the altitude differential.
Page 72: To Start A New Save Session
Saving Altitude Data An altitude data save operation saves data in three different records: periodic records (page E-71), a current session record (page E-72), and a historical record (page E-75). To start a new save session 1. Press A to enter the Altimeter Mode (page E-11).
Page 73 • Once you start a save session, measurement continues to be performed, and the REC indicator flashes on the display, even if you change to another mode. 3. To stop an ongoing save session, hold down A for about one second until REC disappears from the screen.
Page 74 How periodic records are created and saved Note The following operation is performed simultaneously with the operation described under “How current session record data is updated” (page E-73). a. The watch creates Periodic Record 1 when you start a new save session (page E-70).
Page 75 Data Description High Altitude Highest altitude reached during the current session. Low Altitude Lowest altitude reached during the current session. Total Ascent Total cumulative ascent during the current session. Total Descent Total cumulative descent during the current session. • The maximum total ascent and total descent value is 99,995 meters. Each value reverts to zero after the maximum is reached.
Page 76 a. When you hold down A to start a save session (page E-70), the watch will clear data that is already stored in the current session record. b. The watch will measure altitude and calculate data as described below, and update the current session record accordingly. Note that measurement and saves depend on whether or not the watch is in the Altimeter Mode.
Page 77 Historical Record The Historical Record keeps track of high altitude, low altitude, total ascent, and total descent values across multiple save sessions. The contents of this record are updated continually while an altitude measurement operation is in progress. How the historical record is updated The watch performs the following operations continually while an altitude measurement is in progress.
Page 78 • See “Clearing the Historical Record” (page E-88) for information about clearing the historical record, which restarts all data values from zero. Other Altimeter Mode Features This section explains other features and settings that are available in the Altimeter Mode. Note that all of the information in this section applies to all types of Altimeter Mode measurements, unless specifically indicated otherwise.
Page 79: To Set A Reference Altitude
To set a reference altitude 1. In the Altimeter Mode, hold down E for about two seconds until either OFF or the current reference altitude value starts to flash. This is the setting screen. 2. Press A (+) or C (–) to change the current reference altitude value by 5 meters.
Page 80 Altitude graph The altitude graph shows Altimeter Mode measurement results. Altitude • The vertical axis of the graph represents altitude, and each dot stands for 10 meters. • The horizontal axis represents time, and the Time flashing dot in the rightmost column indicates the latest measurement result.
Page 81 Altitude Differential You also can use the Altimeter Mode to measure the altitude differential from a specific reference altitude. Specifying the point is as simple as pressing a single button to reset the current reference altitude value to zero. Altitude differential measurement is performed each time the watch performs an altitude measurement.
Page 82: To Reset The Altitude Differential Value To Zero
To reset the altitude differential value to zero In the Altimeter Mode, press E. Altitude differential • This will start altitude measurement. The altitude differential value will show 0 after measurement is complete. • You must perform altitude differential measurement whenever you select format number 3 or 4 as the Altimeter Mode display format (page E-68).
Page 83: To Use Altitude Differential Measurement
To use altitude differential measurement 1. In the Altimeter Mode, check to make sure that the display shows the altitude differential value. Destination • If the altitude differential value is not altitude displayed, use the procedure under “To select an Altimeter Mode display format” (page E-68) to select display format 3 or 4.
Page 84 4. While monitoring the difference between the Altitude differential altitude you found on the map and the altitude differential value displayed by the watch, advance towards your destination. • If you determined that the difference between the map altitude and your current location is +80 meters, for example, you are approaching your destination when the displayed altitude differential value shows +80 meters.
Page 85: Altitude Data Recall
Altitude Data Recall Use the Data Recall Mode to view altitude periodic records currently in memory, as well as the current session record and the altitude historical record. Altitude data records are created and stored in the Altimeter Mode. Data Screens The following explains the contents of each of the screens that appear in the Data Recall Mode.
Page 86 Periodic Records Periodic records show only data for the last save session performed with the watch. There can be up to 40 periodic records in memory. Current Session Record Contents The following data items show the contents of the current session record. Data Type Screen Name Description...
Page 87 Historical Record The historical record shows data for all save sessions performed since the last time the historical record was cleared (page E-88). Data Type Screen Name Description Highest altitude reached during all High Altitude sessions. Lowest altitude reached during all Low Altitude sessions.
Page 88: To View Periodic Records And Current Session Record Contents
To view periodic records and current session record contents 1. Enter the Data Recall Mode (page E-10). 2. Use A and C to scroll through the data and display the one you want. Periodic Current session records record ( 1 ) ( 2 ) ( 40 ) •...
Page 89: To View Historical Record Contents
• When the total ascent ( ) or total descent ( ) exceeds 99,995 meters, the applicable value will restart from zero. To view historical record contents 1. Enter the Data Recall Mode (page E-10). 2. Press B to display the historical record screen (TTL REC). 3.
Page 90: To Clear The Historical Record
Clearing the Historical Record Use the following procedure when you want to clear the contents of the historical record and restart all values from zero. To clear the historical record 1. In the Data Recall Mode, press B to display the high altitude data ( ) of the historical record.
Page 91: World Time
World Time World Time displays the current time in 30 cities Current time in the zone (29 time zones) around the world. of the selected city code • If the current time shown for a city is wrong, City code check your Home City time settings and make the necessary changes (page E-117).
Page 92: 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 A (east) and DST indicator C (west) to display the city code (time zone) whose Standard Time/Daylight Saving Time setting you want to change. 2.
Page 93: Stopwatch
Stopwatch The stopwatch lets you measure elapsed time, Hours split times, and two finishes. • The display range of the stopwatch is 23 hours, 1/100 second 59 minutes, 59.99 seconds. • The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it. •...
Page 94: To Measure Times With The Stopwatch
To measure times with the stopwatch Elapsed Time Start Stop Re-start Stop Clear Split Time Start Split Split release Stop Clear (SPL displayed) Two Finishes Start Split Stop Split release Clear First runner Second runner Display time of finishes. finishes. second runner.
Page 95: Countdown Timer
Countdown Timer You can set the countdown timer within a range Hours of one minute to 24 hours. An alarm sounds when the countdown reaches zero. • All of the operations in this section are performed in the Countdown Timer Mode, which you enter by pressing D (page E-10).
Page 96: To Use The Countdown Timer
2. Press D to move the flashing between the hour and minute settings. 3. Use A (+) and C (–) to change the flashing item. • To set the starting value of the countdown time to 24 hours, set 4. Press E to exit the setting screen. To use the countdown timer Press A while in the Countdown Timer Mode to start the countdown timer.
Page 97: Alarms
Alarms You can set five independent daily alarms. When Alarm number an alarm is turned on, the alarm tone sounds when the alarm time is reached. You can also turn on an Hourly Time Signal, which will cause the watch to beep twice every hour on the hour.
Page 98: To Set An Alarm Time
To set an alarm time 1. In the Alarm Mode, use A and C to scroll Alarm on through the alarm screens until the one whose indicator time you want to set is displayed. ALM-1 ALM-2 ALM-3 ALM-5 ALM-4 2. Hold down E until the hour setting of the alarm time start to flash, which indicates the setting screen.
Page 99: To Test The Alarm
Alarm Operation The alarm sounds in all modes at the preset time for about 10 seconds, or until you stop it by pressing any button. To test the alarm In the Alarm Mode, hold down A to sound the alarm. To turn an alarm and the Hourly Time Signal on and off 1.
Page 100: Illumination
Illumination The display of the watch is illuminated using an Auto light switch EL (electro-luminescent) panel for easy reading on indicator in the dark. The watch’s auto light switch turns on illumination automatically when you angle the watch towards your face. •...
Page 101 • Illumination is disabled during time calibration signal reception, while configuring sensor measurement mode settings, and during bearing sensor calibration. About the Auto Light Switch Turning on the auto light switch causes illumination to turn on, whenever you position your wrist as described below in any mode. Note that this watch features a “Full Auto EL Light”, so the auto light switch operates only when available light is below a certain level.
Page 102 Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes illumination to turn on. • Wear the watch on the outside of your wrist. Parallel to More than ground 40°...
Page 103: To Turn The Auto Light Switch On And Off
• When you are wearing the watch, make sure that its auto light switch is turned off before riding on a bicycle or operating a motorcycle or any other motor vehicle. Sudden and unintended operation of the auto light switch can create a distraction, which can result in a traffic accident and serious personal injury.
Page 104: Questions & Answers
Questions & Answers Question: What causes incorrect direction readings? Answer: • Incorrect bidirectional calibration. Perform bidirectional calibration (page E-43). • Nearby source of strong magnetism, such as a household appliance, a large steel bridge, a steel beam, overhead wires, etc., or an attempt to perform direction measurement on a train, boat, etc.
Page 105 Question: Why am I having problems taking direction readings indoors ? Answer: A TV, personal computer, speakers, or some other object is interfering with terrestrial magnetism readings. Move away from the object causing the interference or take the direction reading outdoors.
Page 106 Question: How does the altimeter work? Answer: Generally, air pressure and temperature decrease as altitude increases. This watch bases its altitude measurements on International Standard Atmosphere (ISA) values stipulated by the International Civil Aviation Organization (ICAO). These values define relationships between altitude, air pressure, and temperature. Altitude Air Pressure Temperature...
Page 107 • Note that the following conditions will prevent you from obtaining accurate readings: When air pressure changes because of changes in the weather Extreme temperature changes When the watch itself is subjected to strong impact E-105...
Page 108 There are two standard methods of expressing altitude: Absolute altitude and relative altitude. Absolute altitude expresses an absolute height above sea level. Relative altitude expresses the difference between the height of two different places. Height of building 130 m Rooftop at an altitude of (relative altitude) 230 m above sea level (absolute altitude)
Page 109 Precautions Concerning Simultaneous Measurement of Altitude and Temperature Though you can perform altitude and temperature measurements at the same time, you should remember that each of these measurements requires different conditions for best results. With temperature measurement, it is best to remove the watch from your wrist in order to eliminate the effects of body heat.
Page 110: Power Supply
Power Supply This watch is equipped with a solar cell and a special rechargeable battery (secondary battery) that is charged by the electrical power produced by the solar cell. The illustration shown below shows how you should position the watch for charging. Solar cell Example: Orient the watch so its face is pointing at a light source.
Page 111 If you experience problems getting the special rechargeable battery to charge fully, contact your dealer or CASIO distributor about having it replaced. • Never try to remove or replace the watch’s special battery yourself. Use of the wrong type of battery can damage the watch.
Page 112 Battery Power Indicator and Recover Indicator The battery power indicator on the display shows you the current status of the rechargeable battery’s power. Level Battery Power Function Status Indicator All functions enabled. All functions enabled. Auto and manual receive, illumination, beeper, and sensor operation disabled.
Page 113 • The flashing indicator at Level 3 tells you that battery power is very low, and that exposure to bright light for charging is required as soon as possible. • At Level 5, all functions are disabled and settings return to their initial factory defaults.
Page 114 • Performing multiple sensor, illumination, or beeper operations during a short period may cause R (recover) to appear on the display. Illumination, alarm, countdown timer alarm, hourly time signal, and sensor operations will be disabled until battery power recovers. After some time, battery power will recover and R (recover) will disappear, indicating that the above functions are enabled again.
Page 115: Charging Precautions
Charging Precautions Certain charging conditions can cause the watch to become very hot. Avoid leaving the watch in the areas described below whenever charging its rechargeable battery. Also note that allowing the watch to become very hot can cause its liquid crystal display to black out.
Page 116 Charging Guide After a full charge, timekeeping remains enabled for up to about five months. • The following table shows the amount of time the watch needs to be exposed to light each day in order to generate enough power for normal daily operations.
Page 117 Recovery Times The table below shows the amount exposure that is required to take the battery from one level to the next. Approximate Exposure Time Exposure Level (Brightness) Level 5 Level 4 Level 3 Level 2 Level 1 Outdoor Sunlight 1 hour 11 hours 3 hours...
Page 118: Timekeeping
Timekeeping Use the Timekeeping Mode to set and view the current time and date. • In the Timekeeping Mode, an indicator moves along the ring around the display as seconds advance. • Pressing E while in the Timekeeping Mode will cycle through the Timekeeping Mode display formats as shown below.
Page 119: To Set The Time And Date Manually
Read This Before You Set the Time and Date! This watch is preset with a number of city codes, each of which represents the time zone where that city is located. When setting the time, it is important that you first select the correct city code for your Home City (the city where you normally use the watch).
Page 120 3. Press D to move the flashing in the sequence shown below to select the other settings. 12/24-Hour City Code Seconds Hour Format Power Month Minutes Year Saving • The following steps explain how to configure timekeeping settings only. 4. When the timekeeping setting you want to change is flashing, use A and/ or C to change it as described below.
Page 121 Screen To do this: Do this: Press A . Reset the seconds to Use A (+) and C (–). Change the hour or minutes Change the year, month, or day 5. Press E to exit the setting screen. Note • Auto DST ( ) can be selected only while , or selected as the Home City code.
Page 122 Daylight Saving Time (DST) Daylight Saving Time (summer time) advances the time setting by one hour from Standard Time. Remember that not all countries or even local areas use Daylight Saving Time. The time calibration signals transmitted from Mainflingen (Germany), Anthorn (England), or Fort Collins (the United States) include both Standard Time and DST data.
Page 123: To Change The Daylight Saving Time (Summer Time) Setting
To change the Daylight Saving Time (summer time) setting 1. In the Timekeeping Mode, hold down E until DST indicator the city code starts to flash, which indicates the setting screen. 2. Press D and the DST setting screen appears. 3.
Page 124: Reference
Reference This section contains more detailed and technical information about watch operation. It also contains important precautions and notes about the various features and functions of this watch. Auto Return Features • The watch returns to the Timekeeping Mode automatically if you do not perform any button operation for two or three minutes in the Data Recall, Alarm, Receive, Digital Compass, or Barometer/Thermometer Mode.
Page 125 Scrolling The A and C buttons are used on the setting screen to scroll through data on the display. In most cases, holding down these buttons during a scroll operation scrolls through the data at high speed. Sensor Malfunction Indicator Subjecting the watch to strong impact can cause sensor malfunction or improper contact of internal circuitry.
Page 126 Whenever you have a sensor malfunction, be sure to take the watch to your original dealer or nearest authorized CASIO distributor as soon as possible. E-124...
Page 127: To Turn The Button Operation Tone On And Off
Button Operation Tone The button operation tone sounds any time you Mute indicator press one of the watch’s buttons. You can turn the button operation tone on or off as desired. • Even if you turn off the button operation tone, the alarm, Hourly Time Signal, and Countdown Timer Mode alarm all operate normally.
Page 128: Power Saving
Power Saving When turned on, Power Saving enters a sleep state automatically whenever the watch is left for a certain period in an area where it is dark. The table below shows how watch functions are affected by Power Saving. •...
Page 129: To Recover From The Sleep State
• Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state. • The watch will not enter the sleep state while the digital time is between 6:00 AM and 9:59 PM. If the watch is already in the sleep state when the digital time reaches 6:00 AM, however, it will remain in the sleep state.
Page 130: To Turn Power Saving On And Off
To turn Power Saving on and off 1. In the Timekeeping Mode, hold down E until the city code starts to flash, which indicates the setting screen. 2. Press D nine times until the Power Saving on/off screen appears. 3. Press A to toggle Power Saving on ( ) and off ( 4.
Page 131 Radio-controlled Atomic Timekeeping Precautions • Strong electrostatic charge can result in the wrong time being set. • The time calibration signal bounces off the ionosphere. Because of this, such factors as changes in the reflectivity of the ionosphere, as well as movement of the ionosphere to higher altitudes due to seasonal atmospheric changes or the time of day may change the reception range of the signal and make reception temporarily impossible.
Page 132 • Though this watch is designed to receive both time data (hour, minutes, seconds) and date data (year, month, day), certain signal conditions can limit reception to time data only. • If you are in an area where proper time calibration signal reception is impossible, the watch keeps the time with the precision noted in “Specifications”.
Page 133 Transmitters The time calibration signal received by this watch depends on the currently selected Home City code (page E-13). • When a U.S. time zone is selected, the watch receives the time calibration signal transmitted from the United States (Fort Collins). •...
Page 134 When PAR, BER, or ATH is selected as the Home City code: In this case: The watch does this: The first signal search 1. Checks the Mainflingen signal first. operation after the Home City 2. If the Mainflingen signal cannot be code has been changed received, checks the Anthorn signal.
Page 135 Timekeeping • Resetting the seconds to while the current count is in the range of 30 to 59 causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are reset to without changing the minutes. •...
Page 136 Illumination Precautions • The electro-luminescent panel that provides illumination loses power after very long use. • Illumination may be hard to see when viewed under direct sunlight. • Illumination turns off automatically whenever an alarm sounds. • The watch may emit an audible sound whenever the display is illuminated. This is due to vibration of the EL panel used for illumination, and does not indicate malfunction.
Page 137 • Illumination may not turn on if the face of the More than 15 degrees watch is more than 15 degrees above or below too high parallel. Make sure that the back of your hand is parallel to the ground. •...
Page 138 Barometer and Thermometer Precautions • The pressure sensor built into this watch measures changes in air pressure, which you can then apply to your own weather predictions. It is not intended for use as a precision instrument in official weather prediction or reporting applications.
Page 139 Important! • Incorrectly calibrating the barometric pressure sensor can result in incorrect readings. Before performing the calibration procedure, compare the readings produced by the watch with those of another reliable and accurate barometer. • Incorrectly calibrating the temperature sensor can result in incorrect readings.
Page 140: To Calibrate The Pressure Sensor And The Temperature Sensor
To calibrate the pressure sensor and the temperature sensor 1. Press B to enter the Barometer/ Thermometer Mode (page E-11). 2. In the Barometer/Thermometer Mode, hold down E for about two seconds until either OFF or the reference temperature value starts to flash.
Page 141 3. Use A (+) and C (–) to set the calibration value in the units shown below. Temperature 0.1°C Barometric Pressure 1 hPa • Pressing A and C at the same time returns to the factory calibration (OFF). 4. Press E to return to the Barometer/Thermometer Mode screen. E-139...
Page 142: Specifications
Specifications Accuracy at normal temperature: ±20 seconds a month Timekeeping: Hour, minutes, seconds, p.m. (P), year, 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: 3 display formats (Day of the Week/Day, Date, Barometric Pressure Graph);...
Page 143 Digital Compass: 20 seconds continuous measurement; 16 directions; Angle value 0° to 359°; Four direction pointers; Calibration (bidirectional, northerly); Magnetic declination correction; Bearing Memory Barometer: Measurement and display range: 260 to 1,100 hPa Display unit: 1 hPa Measurement timing: Daily from midnight, at two hour intervals (12 times per day);...
Page 144 Altimeter: Measurement range: –700 to 10,000 m without reference altitude Display range: –10,000 to 10,000 m Negative values can be caused by readings produced based on a reference altitude or due to atmospheric conditions. Display unit: 5 m Current Altitude Data: 5-second intervals for 1 hour (0'05),or 5-second interval for first 3 minutes followed by 2-minute interval for next 9 or 10 hours (2'00) Altitude Memory Data:...
Page 145 Other: Reference altitude setting; Altitude graph; 4 display formats; Altitude differential; Altitude measurement type (0'05 or 2'00) Bearing Sensor Precision: Direction: Within ±10° Values are guaranteed for a temperature range of – 10°C to 40°C. North pointer: Within ±2 digital segments Pressure Sensor Precision: Conditions Altimeter...
Page 146 Temperature Sensor Precision: ±2°C in range of –10°C to 60°C World Time: 30 cities (29 time zones) Other: Daylight Saving Time/Standard Time Stopwatch: Measuring unit: 1/100 second Measuring capacity: 23:59' 59.99'' Measuring modes: Elapsed time, split time, two finishes Countdown Timer: Measuring unit: 1 second Countdown start time setting range: 1 minute to 24 hours (1-hour increments and 1-minute increments)
Page 147 Power Supply: Solar cell and one rechargeable battery Approximate battery operating time: 5 months (from full charge to Level 4) under the following conditions: • Watch not exposed to light • Internal timekeeping • Display on 18 hours per day, sleep state 6 hours per day •...
Page 148: Operating Precautions
Operating Precautions Water Resistance • The following applies to watches with WATER RESIST or WATER RESISTANT marked on the back cover. Water Enhanced Water Resistance Under Resistance Daily Use Under Daily Atmospheres Atmospheres Atmospheres On watch front or Marking 5BAR 10BAR 20BAR on back cover...
Page 149 • A trained technician will know how to check 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.
Page 150 • 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.
Page 151 Should you notice any 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 152 Impact • Your watch is designed to withstand impact incurred during normal daily use and light activity such as playing catch, tennis, etc. Dropping the 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 while operating a chain saw or engaging in other activities that generate strong vibration, or while engage in strenuous sports activities (motocross, etc.).
Page 153 Electrostatic Charge • Exposure to very strong electrostatic charge can cause the 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 •...
Page 154 • 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 155 Natural Leather and Imitation Leather Bands • Allowing the watch to remain in contact with other items or storing it together with other items while it is wet for long periods can cause the color of the other items to transfer to the natural leather or imitation leather band of the watch.
Page 156 Metal Components • Failure to clean dirt from a metal band can lead to formation of rust, even if the band is stainless steel or plated. If the watch is exposed to sweat or water, wipe it thoroughly with a soft, absorbent cloth and then store it in a well-ventilated location to dry.
Page 157 • Allowing the battery to go dead, replacing the battery, or having the watch repaired can cause all data in the watch’s 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 the watch, replacement of the battery, etc.
Page 158: 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 159 • Remember that you wear your watch next to your skin, just like a piece of clothing. Because of this, you should always keep your watch clean. Use a soft, absorbent cloth to wipe off any dirt, sweat, water, or other foreign matter from the case and band.
Page 160 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. E-12...
Page 161 City Code Table...
Page 162 City Code Table City UTC Offset/GMT City UTC Offset/GMT City City Code Differential Code Differential Athens –11 –11.0 Cairo +02.0 Honolulu –10.0 Jerusalem Anchorage –09.0 Jeddah +03.0 Los Angeles –08.0 Tehran +03.5 Denver –07.0 Dubai +04.0 Chicago –06.0 Kabul +04.5 New York –05.0 Karachi...
Page 163 • Based on data as of March 2008. • The rules governing global times (UTC offset and GMT differential) and summer time are determined by each individual country. * In December 2007, Venezuela changed its offset from –4.0 to –4.5. Note, however, that this watch displays an offset of –4.0 (the old offset) for the CCS (Caracas, Venezuela) city code.

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