MO1610-EA © 2016 CASIO COMPUTER CO., LTD.
Operation Guide 3451
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.
Applications
The built-in sensors of this watch measure direction and temperature. Measured values are then shown on the display. Such features make this watch useful when hiking, mountain climbing, or when engaging in other such outdoor activities.
ENGLISH
Warning!
•The measurement functions built into this watch are not intended for use in taking measurements that require professional or industrial precision. Values produced by this watch should be considered as reasonably accurate representations only.
•When engaging in mountain climbing or other activities in which losing your way can create a dangerous or life-threatening situation, always be sure to use a second compass to confirm direction readings.
•Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss suffered by you or any third party arising through the use of your watch or its malfunction.
E |
E-1 |
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About This Manual
(Light) • 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.
• Button operations are indicated using the letters shown
in the illustration.
• Each section of this manual provides you with the information you need to perform operations in each
(Light) mode. Further details and technical information can be 
found in the “Reference” section.
Contents
Mode Reference Guide ……………………………………………………………… E-6 General Guide ………………………………………………………………………… E-8
Timekeeping ……………………………………………………………………………E-10
To set your Home City time and date …………………………………………E-12
To toggle the Timekeeping Mode time between DST and
Standard Time ………………………………………………………………E-16 To specify the Local Time City…………………………………………………E-18
To toggle a Local Time City time between Standard Time and
Daylight Saving Time ………………………………………………………E-19 To swap your Home City and Local Time City ………………………………E-20
Digital Compass/Thermometer ……………………………………………………E-23
To enter and exit the Digital Compass/Thermometer Mode ………………E-24 To take a direction reading ……………………………………………………E-27 To calibrate the bearing sensor ………………………………………………E-35
E-2 |
E-3 |
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To perform magnetic declination correction …………………………………E-37 To take a temperature reading ………………………………………………E-42 To calibrate the temperature sensor …………………………………………E-45 To specify the temperature display unit ………………………………………E-46
World Time………………………………………………………………………………E-47
To view the time in another city ………………………………………………E-48
To toggle a city code time between Standard Time and
Daylight Saving Time ………………………………………………………E-48 To swap your World Time City and Local Time City ………………………E-49
Stopwatch ………………………………………………………………………………E-50
To measure times with the stopwatch ………………………………………E-51
Countdown Timer………………………………………………………………………E-52
To configure countdown start time and auto-repeat settings ………………E-53 To use the countdown timer……………………………………………………E-54
E-4
Alarms……………………………………………………………………………………E-55
To set an alarm time ……………………………………………………………E-56 To test the alarm ………………………………………………………………E-57 To turn an alarm and the hourly time signal on and off ……………………E-58
Illumination ……………………………………………………………………………E-59
To turn on illumination …………………………………………………………E-60 To change the illumination duration …………………………………………E-60
Reference ………………………………………………………………………………E-62
To turn the button operation tone on and off …………………………………E-63
Specifications …………………………………………………………………………E-67
E-5
Mode Reference Guide
Your watch has 6 “modes”. The mode you should select depends on what you want to do.
To do this: |
Enter this mode: |
See: |
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• View the current time and date in your Home City and the |
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current time in the Local Time City |
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• Configure the Daylight Saving Time (DST) settings of your |
Timekeeping Mode |
E-10 |
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Home City and Local Time City |
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• Configure the time and date settings of your Home City |
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and the time setting of the Local Time City |
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• Determine north and the bearing to a destination |
Digital Compass/ |
E-23 |
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• Determine the temperature at your current location |
Thermometer Mode |
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• View the current time in one of 48 cities (31 time zones) |
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and UTC* time |
World Time Mode |
E-47 |
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• Simultaneously view the current time in your World Time |
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City, Home City, and Local Time City. |
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Use the stopwatch to measure elapsed time |
Stopwatch Mode |
E-50 |
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E-6 |
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To do this: |
Enter this mode: |
See: |
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Use the countdown timer |
Countdown Timer |
E-52 |
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Mode |
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Set an alarm time |
Alarm Mode |
E-55 |
* Coordinated Universal Time (UTC) is the global time standard used to regulate time.
E-7
General Guide
•The illustration below shows which buttons you need to press to navigate between modes.
•In any mode (except when a setting screen is on the display), press Bto illuminate the display.
•You can enter the Digital Compass/Thermometer Mode from the Timekeeping Mode by pressing D. To enter from another mode, first use Cto enter the Timekeeping Mode, and then press D.
Digital Compass/ |
Timekeeping Mode |
Thermometer Mode |
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Press D. |
Press C. |
World Time Mode |
Stopwatch Mode |
Alarm Mode |
Countdown Timer Mode |
Press C.
E-8 |
E-9 |
Operation Guide 3451
Timekeeping
This watch can keep track of the current time in up to three different time zones.
Home Time
• This is the time in the city where you normally use your watch (Home City). It is the time displayed in the Timekeeping Mode.
Local Time
• This is the time in the city located in the time zone that is highlighted on the watch’s world map (Local Time City).
World Time
• This is the time in the city you select in the World Time Mode (page E-47).
E-10
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). 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.
•Note that all of the times for the World Time Mode city codes (page E-48) and Local Time city codes (page E-18) are displayed in accordance with the time and date settings you configure in the Timekeeping Mode.
To set your Home City time and date
1.In the Timekeeping Mode, hold down Afor about two seconds until the time zone of the currently selected Home City starts to flash on the world map. This is the setting screen.
•The Home City code will also appear on the display. Release Aimmediately after the Home City code appears. Keeping it depressed longer (about four seconds) will switch to the Local Time City setting screen, which is indicated when the Local Time City code is displayed.
E-12
4.When the timekeeping setting you want to change is flashing, use Dand/or Bto change it as described below.
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To do this: |
Do this: |
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Change the city code |
Use D(east) and B |
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(west). |
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Toggle between Daylight Saving Time |
Press D. |
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(ON) and Standard Time (OFF). |
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Toggle between 12-hour (12H) and |
Press D. |
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24-hour (24H) timekeeping. |
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Reset the seconds to 00 |
Press D. |
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Change the hour or minute |
Use D(+) and B(–). |
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E-14 |
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Daylight Saving Time (DST) Setting
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.
To toggle the Timekeeping Mode time between DST and Standard Time
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1. In the Timekeeping Mode, hold down Afor about two |
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seconds until the time zone of the currently selected |
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Home City starts to flash on the world map. This is the |
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setting screen. |
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• Release Aimmediately after the Home City code |
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appears. Keeping it depressed longer (about four |
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seconds) will switch to the Local Time City setting |
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screen. |
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On/Off status 2. Press Conce to display the DST setting screen.
DST indicator
E-16
To specify the Local Time City
Local Time City
Hour : Minutes
Map
Local Time City code
1.In the Timekeeping Mode, hold down Afor about four seconds until the time zone of the currently selected Local Time City starts to flash on the world map. This is the setting screen.
•Note that the Home City time zone will flash on the
world map about two seconds after you hold down A. Keep Adepressed for about four seconds until the Local Time zone flashes.
2.Use Dand Bto scroll through city codes in the lower display until the one you want is displayed.
•For full information on city codes, see the “City Code Table” at the back of this manual.
•The time zone that is highlighted in the world map will change in accordance with the Local Time City code you select.
3.Press Ato exit the setting screen.
Local Time City
Hour : Minutes
Map
Home City
Hour : Minutes, Seconds Day of week, Month - Day
You can adjust the Home Time city date and time in the Timekeeping Mode. You also can simultaneously display the current time in one other time zone, by specifying a Local Time City.
•For information about selecting a Local Time City, see “To specify the Local Time City” (page E-18).
E-11
2.Use Dand Bto scroll through city codes in the lower display until the one you want is displayed.
•Make sure you select your Home City code before changing any other setting.
•For full information on city codes, see the “City Code Table” at the back of this manual.
3.Press Cto move the flashing in the sequence shown below to select the other settings.
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DST |
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12/24-Hour |
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Second |
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Hour |
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Minute |
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Format |
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Illumination Duration |
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Button Operation |
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Day |
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Month |
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Year |
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Tone (page E-63) |
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•After a city code is displayed, it will scroll once to show the full city name.
•The following steps explain how to configure timekeeping settings only.
E-13
Screen |
To do this: |
Do this: |
Change the year
Use D(+) and B(–).
Change the month or day
•For details about the above settings, see “Timekeeping” (page E-66).
5.Press Ato exit the setting screen.
•For details about other settings, refer to the sections below.
–Button Operation Tone: “To turn the button operation tone on and off” (page E-63)
–Illumination Duration: “To change the illumination duration” (page E-60)
•See “Daylight Saving Time (DST) Setting” below for details about the DST setting.
E-15
3.Press Dto toggle between Daylight Saving Time (ON displayed) and Standard Time (OFF displayed).
•Note that you cannot switch between Standard Time and Daylight Saving Time (DST) while UTC is selected as your Home City.
4.Press Ato exit the setting screen.
•The DST indicator will be in the lower left corner of the display while Daylight Saving Time is enabled.
Local Time
Local Time lets you separately display the current time in a specific time zone (Local Time City). This feature is very handy for business professionals and others who need to keep track of the current time in multiple time zones. A simple operation swaps your Home City and Local Time City, which is great for travel between time zones.
E-17
To toggle a Local Time City time between Standard Time and Daylight Saving Time
1.In the Timekeeping Mode, hold down Afor about four seconds until the time zone of the currently selected Local Time City starts to flash on the world map. This is the setting screen.
•Note that the Home City time zone will flash on the world map about two seconds after you hold down A. Keep Adepressed for about four seconds until the Local Time zone flashes.
2.Press Conce to display the DST setting screen.
3.Press Dto toggle between Daylight Saving Time (ON displayed) and Standard Time (OFF displayed).
•Note that you cannot switch between Standard Time and Daylight Saving Time (DST) while UTC is selected as your Local Time City.
4.Press Ato exit the setting screen.
•The DST indicator will be in the upper left corner of the display while Daylight Saving Time is enabled.
E-18 |
E-19 |
Operation Guide 3451
Swapping your Home City and Local Time City
You can use the procedure below to swap your Home City and Local Time City. This capability can come in handy when you travel frequently between two cities in different time zones.
To swap your Home City and Local Time City
1.In the Timekeeping Mode, select the Local Time City you want.
•For information about selecting a Local Time City, see “To specify the Local Time City” (page E-18).
2.Hold down Bfor at least four seconds.
•This will make the Local Time City (which you selected in step 1) your Home City. At the same time, it will change the Home City you had selected prior to step 2 to your Local Time City.
Before Setting Out
Set your destination city as the Local Time City.
Current time at place |
Current time at destination |
of departure |
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Using the Watch when Travelling Between Time Zones
You can use the procedures below for smooth switching between time zones as required.
•For information about selecting a Local Time City, see “To specify the Local Time City” (page E-18).
E-20 E-21
Before Arriving at Your Destination Digital Compass/Thermometer
Swap your place of departure (Home City) and Local Time City.
Current time at place of departure |
Current time at destination |
You can take direction readings and temperature readings in the Digital Compass/ |
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Thermometer Mode. Direction readings are taken by the watch’s built-in magnetic |
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bearing sensor and displayed as one of 16 directions. A temperature sensor is used |
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for temperature readings. |
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• See “Digital Compass” on page E-26 for more information about the digital compass. |
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• See “Thermometer” on page E-41 for more information about the thermometer. |
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•For information about selecting a Local Time City, see “To specify the Local Time City” (page E-18).
E-22
To enter and exit the Digital Compass/Thermometer Mode
During readings
12 o’clock
Home time |
About two |
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1.While in the Timekeeping Mode, press Dto enter the Digital Compass/Thermometer Mode.
•The watch will start to take direction and temperature readings. After about two seconds, the angle that the 12 o’clock position of the compass dial is facing and the current temperature reading will appear on the display.
•Direction readings will be taken each second for about 10 seconds, and then stop automatically.
•Temperature readings will be taken every two seconds for about 10 seconds, and then stop automatically.
•To perform direction and temperature readings for another 10 seconds, press Dagain.
E-24
Digital Compass
The watch takes digital compass readings automatically whenever you enter the Digital Compass/Thermometer Mode. In addition, you can take readings manually by performing the procedure below.
•See “Magnetic North and True North” (page E-39) for information about the two types of north. For information about maximizing digital compass accuracy, see “Calibrating the Bearing Sensor” (page E-33) and “Digital Compass Precautions” (page E-39).
E-26
•While the watch is taking compass readings, it displays a direction angle and a direction indicator, both of which change dynamically when the watch is moved. After the compass operation is complete, the direction pointer disappears from the display, and the direction angle and direction indicator both show “- - -”. Use the direction indicators marked around the compass dial to record the indicated direction. For details, see “Example: Determining your current position and your objective on a map” (page E-31).
•The CAL appearing on the display after a direction
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reading is complete indicates that bearing sensor |
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calibration is required due to either of the reasons |
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described below. When this happens, perform the |
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procedure under “Calibrating the Bearing Sensor” |
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(page E-33). |
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• It’s been 100 days since the last bearing sensor |
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calibration. |
• The watch’s battery was replaced.
E-23
2.Press Cto return to the Timekeeping Mode.
•For information about using the digital compass, see “To take a direction reading” on page E-27.
•For information about using the thermometer, see “To take a temperature reading” on page E-42.
E-25
To take a direction reading
North pointer
12 o’clock
Angle value |
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Direction |
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(in degrees) |
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indicator |
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270° |
W NW |
NNW |
0° |
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WN |
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W |
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N |
WSW |
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NNE |
SW |
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NE |
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SSW |
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ENE |
S |
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E |
180° |
SSE |
SE |
ESE |
90° |
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1.While the watch is in the Digital Compass/Thermometer Mode, place it on a flat surface, or if you are wearing the watch, make sure that your wrist is horizontal (in relation to the horizon).
2.Point the 12 o’clock position of the compass dial in the direction you want to measure.
3.Press Dto start a Digital Compass measurement operation.
•After about two seconds, the direction that the 12 o’clock position of the compass dial is pointing appears on the display.
•The compass dial’s pointer indicates magnetic north.
•After the first reading is obtained, the watch continues to take direction readings automatically each second, for up to 10 seconds.
•To perform direction readings for another 10 seconds, press Dagain.
E-27
Note
• Note that taking a measurement while the watch is not horizontal (in relation to the horizon) can result in large measurement error.
•The margin of error for the angle value and the direction indicator is ±15 degrees. If the indicated direction is northwest (NW) and 315 degrees, for example, the actual direction can be anywhere from 300 to 330 degrees.
•Any ongoing direction measurement operation is paused temporarily while the
watch is performing an alert operation (daily alarm, Hourly Time Signal, countdown timer alarm) or while illumination is turned on (by pressing B). The measurement operation resumes for its remaining duration after the operation that caused it to pause is finished.
•The following table shows the meanings of each of the direction abbreviations that appear on the display.
E-28 |
E-29 |
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