MA1108-EA
Operation Guide 5245
ENGLISH
Congratulations upon your selection of this CASIO watch.
This watch does not have a city code that corresponds to the UTC offset of –3.5 hours for Newfoundland, Canada.
E-1
About This Manual
E-2
Button operations are indicated using the letters A through Dshown in the illustration.
Hand Functions z Hour Hand
x Second Hand
c Minute Hand
v 24-hour Hand
b Left Dial Hands
n Right Dial Hand: Indicates the current mode. m Day
This User’s Guide uses numbers shown above to identify watch hands and indicators.
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To configure Home City settings” (page E-20) to configure your Home City and daylight saving time settings.
Important!
World Time settings depend on correct Home City, time, and date settings in the Timekeeping Mode. Make sure these settings are configured correctly.
3. Set the current time.
See “Configuring Current Time and Date Settings” (page E-24).
The watch is now ready for use.
E-4
E-20 Configuring Home City Settings
E-20 To configure Home City settings
E-22 To toggle the Home City time between standard time and daylight saving time
E-24 Configuring Current Time and Date Settings
E-24 To change the current time setting
E-27 To change the current date setting
E-32 Using the Stopwatch
E-33 To perform elapsed time measurement
E-33 To perform an elapsed time operation
E-33 To pause at a split time
E-36 Checking the Current Time in a Different Time Zone
E-37 To view the time in another time zone
E-38 To specify standard time or daylight saving time (DST) for a city E-40 To swap your Home City and World Time City
E-6
Charging the Watch
The face of the watch is a solar panel that generates power from light. The generated power charges a built-in rechargeable battery, which powers watch operations. The watch charges whenever it is exposed to light.
Charging Guide
Whenever you are not |
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When wearing the watch, |
wearing the watch, be sure |
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makes sure that its face is |
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to leave it in a location |
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not blocked from light by the |
where it is exposed to light. |
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sleeve of your clothing. |
x Best charging |
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x The watch may enter a |
performance is achieved |
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sleep state (page E-14) if |
by exposing the watch to |
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its face is blocked by your |
light that is as strong as |
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sleeve even only partially. |
possible. |
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Things to check before using the watch
1.Hold down Cfor about two seconds to enter the Timekeeping Mode, and then observe the movement of the x Second Hand.
Is the x Second Hand moving smoothly at one-second intervals?
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NO |
YES |
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Is the x Second Hand moving at |
The watch is charged sufficiently. |
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two-second intervals or is it stopped |
For details about charging, see |
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completely? |
“Charging the Watch” (page E-8). |
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YES |
NEXT |
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Power is low. Charge the watch by placing |
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Go to step 2. |
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it in a location where it is exposed to light. |
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For details, see “Charging the Watch” |
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(page E-8). |
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E-3
Contents
E-2 About This Manual
E-3 Things to check before using the watch
E-8 Charging the Watch
E-15 To recover from the sleep state
E-16 Mode Reference Guide
E-17 To determine the watch’s current mode
E-17 To return to the Timekeeping Mode from any other mode E-18 To select a mode
E-19 Timekeeping
E-5
E-42 Using the Alarm
E-43 To change the alarm time setting
E-43 To turn the alarm on or off
E-43 To stop the alarm
E-44 Adjusting the Home Positions
E-44 To adjust the home positions
E-48 Troubleshooting
E-52 Specifications
E-7
Warning!
Leaving the watch in bright light for charging can cause it to become quite hot. Take care when handling the watch to avoid burn injury. The watch can become particularly hot when exposed to the following conditions for long periods.
x On the dashboard of a car parked in direct sunlight x Too close to an incandescent lamp
x Under direct sunlight
Important!
x Keep the watch in an area normally exposed to bright light when storing it for long periods. This helps to ensure that power does not run down.
x Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is blocked from exposure to light can cause power to run down. Make sure that the watch is exposed to bright light whenever possible.
E-8 |
E-9 |
Operation Guide 5245
Power Levels
You can get an idea of the watch’s power level by observing the movement of the x Second Hand in the Timekeeping Mode.
x If the x Second Hand is moving normally at one-second intervals, power is at Level 1.
x If the x Second Hand is moving at two-second intervals, power is at Level 2, which is quite low. Expose the watch to light as soon as possible so it can charge.
Moving at two-second intervals.
E-10
Power Recovery Mode
The watch is designed to go into a power recovery mode that stops hand operation temporarily whenever power suddenly drops below a certain level due to overuse of the alarm tone over a short period. Note that all operations are disabled while the watch is in the power recovery mode.
The hands will move to the correct positions and the watch will resume normal operation after power recovers (in about 15 minutes). Putting the watch in a location where it is exposed to light will help power to recover sooner.
E-12
Power Saving
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.
x There actually are two sleep state levels: “second hand sleep” and “function sleep”.
Elapsed Time in Dark |
Operation |
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60 to 70 minutes (second hand |
x Second Hand only is stopped at 12 o’clock, all other |
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sleep) |
functions are enabled. |
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6 or 7 days (function sleep) |
x All functions, including analog timekeeping, disabled |
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x Internal timekeeping maintained. |
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x The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep state.
x The watch will not enter a sleep state while it is in the Stopwatch Mode.
E-14
Mode Reference Guide
Your watch has four “modes”. The mode you should select depends on what you want to do.
To do this: |
Enter this mode: |
See: |
xView the current time in your Home City and in one of 29 cities around the globe
x Configure Home City and daylight saving time |
Timekeeping Mode |
E-19 |
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(DST) settings |
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x Configure time and date settings |
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Use the stopwatch to measure elapsed time |
Stopwatch Mode |
E-32 |
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View the current time in one of 29 cities (time zones) |
World Time Mode |
E-36 |
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around the globe |
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Set an alarm time |
Alarm Mode |
E-42 |
E-16
To select a mode
Press Cto cycle between the modes as shown below. The n Right Dial Hand indicates the currently selected mode.
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Timekeeping Mode |
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C |
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Stopwatch Mode |
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The hand indicates |
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The hand points to 0. |
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the day of the week. |
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Alarm Mode |
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World Time Mode |
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The hand points to ALM. |
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The hand points to STD |
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or DST. |
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Level |
Hand Movement |
Function Status |
1 |
Normal. |
All functions enabled. |
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2 |
x Second Hand moving at two-second |
Beeper disabled. |
intervals. |
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m Day changes to 1 (home position). |
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3 |
x Second Hand stopped. |
All functions disabled. |
z Hour Hand and c Minute Hand stopped |
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at 12 o’clock. |
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x When power drops to Level 3, all functions will be disabled but the watch will continue to keep time internally for about one week. If you recharge the battery sufficiently during this period, the analog hands will move automatically to the correct setting and regular timekeeping will resume. After one week, all settings (including timekeeping) will be cleared. Recharging the battery will reset all settings to their initial factory defaults.
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E-11 |
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Charging Times |
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Daily |
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Level Change *2 |
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Exposure Level (Brightness) |
Level 3 |
Level 2 |
Level 1 |
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Operation *1 |
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Outdoor sunlight (50,000 lux) |
8 minutes |
2 hours |
27 hours |
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Window sunlight (10,000 lux) |
30 minutes |
6 hours |
100 hours |
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Window sunlight on cloudy day |
48 minutes |
10 hours |
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(5,000 lux) |
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Indoor fluorescent lighting (500 lux) |
8 hours |
112 hours |
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*1 Approximate exposure each day to generate power for normal daily operation.
*2 Approximate exposure to take power up one level.
x The above exposure times all are for reference only. Actual exposure times depend on lighting conditions.
x For details about the operating time and daily operating conditions, see the “Power Supply” section of the Specifications (page E-53).
E-13
To recover from the sleep state
Move the watch to a well-lit area or press any button.
E-15
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch’s current mode
Check the position of the n Right Dial Hand as shown under “To select a mode” (page E-18).
To return to the Timekeeping Mode from any other mode
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Hold down Cfor about two seconds until the watch beeps |
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twice. |
E-17
Timekeeping
Use the Timekeeping Mode to view the current time and date. To enter the Timekeeping Mode from any other mode, hold down Cfor about two seconds.
Hand Functions z Hour Hand x Second Hand c Minute Hand
v 24-hour Hand: Indicates the current hour in the Home City time in 24-hour format.
b Left Dial Hands:
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Indicate the current time in the World Time City (page |
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E-36) in 24-hour format. |
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n Right Dial Hand: Indicates the day of the week. |
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m Day |
E-18 |
E-19 |