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Casio 3153 Operation Manual

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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.
Keep the watch exposed to bright light
Bright Light
Solar cell
• 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
result in some watch functions to be disabled. If the battery goes dead, you
will have to re-configure watch settings after recharging. To ensure normal
watch operation, be sure to keep it exposed to light as much as possible.
Battery charges in the light.
Bright Light
Solar cell
(Converts light to
electrical power.)
Rechargeable battery
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press L to
illuminate the display.
Current Time
PM indicator
Day of week
Month – Day
Hour : Minutes
Dual Time
City code
Dual time
Operation Guide 3153
The electricity generated by the solar cell of the
watch is stored by a built-in battery. Leaving or
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.
• When you are not wearing the watch on your
wrist, position the face so it is pointed at a
source of bright light.
• You should try to keep the watch outside of
your sleeve as much as possible. Charging is
reduced significantly if the face is only partially
Battery discharges in the dark.
Timekeeping Mode
Press C.
Press the B button to toggle the lower display
between the day of the week and date, and the
currently selected World Time city and time (Dual
Use the Timekeeping Mode to set and view the
current time and date.
• 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 5 minutes exposure to bright sunlight coming in through a
Approximately about 8 hours exposure to indoor fluorescent lighting
• Be sure to read "Power Supply" for important information you need to
know when exposing the watch to bright light.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch's Power Saving
function has turned off the display to conserve power.
• See "Power Saving Function" for more information.
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 product or its malfunction.
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
• 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 mode. Further details and technical information
can be found in the "Reference" section.
Some or all
Rally Mode
Countdown Timer
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 are displayed
in accordance with the time and date settings you configure in the
Timekeeping Mode.
To set the time and date
• Make sure you select your Home City code before changing any other
• For full information on city codes, see the "City Code Table".
3. Press C to move the flashing in the sequence shown below to select the
other setting.
City Code
Power Saving
• The following steps explain how to configure timekeeping settings only.
Recall Mode
World Time Mode
Stopwatch Mode
Alarm Mode
1. In the Timekeeping Mode hold down A until
the city code starts to flash, which indicates
the setting screen.
2. Use D and B to select the city code you



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  Summary of Contents for Casio 3153

  • Page 1: Getting Acquainted

    Getting Acquainted • The actual level at which some functions are disabled depends on the Congratulations upon your selection of this CASIO watch. To get the most out watch model. of your purchase, be sure to read this manual carefully.
  • Page 2 Operation Guide 3153 4. When the timekeeping setting you want to change is flashing, use D or 12-hour and 24-hour timekeeping B to change it as described below. • With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for times in the range of noon to 11:59 p.m.
  • Page 3: Recall Mode

    Operation Guide 3153 To record the time paused on the display Total measured time (TTL) While a time is paused on the display (see above), press the B button. Total measured When the total measured time • This will save the paused time in memory and display the ongoing special...
  • Page 4: Alarm Types

    Operation Guide 3153 4. While a setting is flashing, use D and B to change it as described below. To view the time in another city While in the World Time Mode, use the D (eastward) and B (westward) Screen To do this: Do this: buttons to scroll through the city codes (time zones).
  • Page 5: Countdown Timer

    To illuminate the display manually charge. If you experience problems getting the special rechargeable battery In any mode, press L to turn on illumination. to charge fully, contact your dealer or CASIO distributor about having it • The above operation turns on illumination replaced.
  • Page 6 Operation Guide 3153 Battery Power Indicator and Recover Indicator Recovery Times The table below shows the amount exposure that is required to take the The battery power indicator on the display shows you the current status of the battery from one level to the next.
  • Page 7: Utc Differential/City Code List

    Operation Guide 3153 UTC Differential/City Code List To turn Power Saving on and off City City Other major cities in same time zone 1. In the Timekeeping Mode, hold down A until Code Differential Pago Pago –11.0 the city code starts to flash, which indicates Honolulu –10.0...