Casio 5078 User manual

Module No. 5078
MA0904-EA

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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.
•Button operations are indicated using the letters shown
in the illustration.
•For the sake of simplicity, the sample displays in this
manual do not show the analog hands of the watch.
•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.

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•To ensure that this watch provides you with the years of service for which it is
designed, be sure to carefully read and follow the instructions under “Operating
Precautions” and “User Maintenance”.
•Be sure to keep all user documentation handy for future reference.

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Contents
General Guide ......................................................................................................... E-6
Timekeeping ............................................................................................................ E-8
World Time ............................................................................................................ E-17
Countdown Timer ................................................................................................. E-19
Stopwatch .............................................................................................................. E-25
Alarms .................................................................................................................... E-27
Illumination ............................................................................................................ E-32
Reference .............................................................................................................. E-34
Specifications ....................................................................................................... E-38
Operating Precautions ......................................................................................... E-40
User Maintenance ................................................................................................. E-49

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Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the digital time and date ........................................................................... E-11
To toggle the Timekeeping Mode digital time
between DST and Standard Time .................................................................... E-14
To adjust the analog time ..................................................................................... E-15
To view the time in another city .......................................................................... E-17
To toggle a city code time
between Standard Time and Daylight Saving Time ....................................... E-18
To configure the countdown timer ...................................................................... E-22
To use the countdown timer ................................................................................ E-24
To measure times with the stopwatch ................................................................ E-26
To set an alarm time ............................................................................................. E-28

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To test the alarm ................................................................................................... E-29
To turn an alarm on and off ................................................................................. E-30
To turn the Hourly Time Signal on and off ......................................................... E-31
To turn on illumination manually ........................................................................ E-33
To specify the illumination duration ................................................................... E-33

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General Guide
•Press Cto change from mode to mode.
•In any mode (except when a setting screen is on the display), press Bto illuminate
the display.
Press .
Timekeeping Mode World Time Mode Countdown Timer Mode

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Stopwatch Mode Alarm Mode Hand Setting Mode

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Timekeeping
This watch features separate digital and analog timekeeping. The procedures for
setting the digital time (page E-11) and analog time (page E-15) are different.
•In the Timekeeping Mode, you can press Dto change the display format as shown
below.

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Day of week Month – Day Hour :
Minutes
Seconds PM indicator
Day of the Week Month – Day Hour : Minutes
Press .

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Digital Time and Date
Use the Timekeeping Mode to set and view a digital display of the current time and date.
When setting the digital time, you can also configure settings for summer time
(Daylight Saving Time or DST), your Home City code (the code for the city where you
normally use the watch), the 12/24-hour format, and the illumination duration.
•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 digital time, it is important that you
select the correct city code for your Home City. 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-17) are
displayed in accordance with the digital time and date settings you configure in the
Timekeeping Mode.
•After you correctly set your Home City time and date, you can set the watch up for
timekeeping with a different city code simply by changing the Home City code in the
Timekeeping Mode.

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To set the digital time and date
1. In the Timekeeping Mode, hold down Auntil the
seconds start to flash, which indicates the setting
screen.
2. Press Ctwice to move the flashing to the Home City
code setting (see the illustration below), and then use
Band Dto select the code you want.
•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.
Seconds DST Home City Code Hour Minutes
Day Month Year 12/24-Hour FormatIllumination Duration

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4. When the setting you want to change is flashing, use Band Dto change it as
described below.
Screen To do this:
Reset the seconds to 00
Toggle between Daylight Saving Time ( ) and
Standard Time ( )
Change the Home City code
Change the hour or minutes
Toggle between 12-hour (12H) and 24-hour
(24H) timekeeping
Change the year
Change the month or day
Select one second ( ) or three seconds ( )
as the illumination duration
Do this:
Press D.
Press D.
Use D(east) and B(west).
Use D(+) and B(–).
Press D.
Use D(+) and B(–).
Press D.

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5. Press Ato exit the setting screen.
•Resetting the seconds only (without changing the DST, Home City code, hour, or
minute setting) causes the analog minute hand setting to be adjusted automatically.
•See “Digital Time Daylight Saving Time (DST) Setting” below for details about the
DST setting.
•The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all modes.
•For details about illumination duration, see “Illumination” on page E-32.
Digital Time Daylight Saving Time (DST) Setting
Daylight Saving Time (summer time) advances the digital time setting by one hour
from Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.

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To toggle the Timekeeping Mode digital time between DST and Standard Time
1. In the Timekeeping Mode, hold down Auntil the seconds
start to flash, which indicates the setting screen.
2. Press Conce to display the DST setting screen.
3. Press Dto toggle between Daylight Saving Time (
displayed) and Standard Time ( displayed).
4. Press Ato exit the setting screen.
•The DST indicator appears on the Timekeeping, Alarm,
and Hand Setting Mode to indicate that Daylight Saving
Time is turned on.
DST indicator

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Setting the Analog Time
Perform the procedure below when the time indicated by the analog hands does not
match the time of the digital display.
To adjust the analog time
1. In the Timekeeping Mode, press Cfive times to enter
the Hand Setting Mode (page E-7).
2. Hold down Auntil the current digital time starts to
flash, which indicates the analog setting screen.
3. Press Dto advance the analog time setting by
20 seconds.
•Holding down Dadvances the analog time setting at
high speed.

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•If you need to advance the analog time setting a long way, hold down Duntil the
time starts advancing at high speed, and then press B. This locks the high-
speed hand movement, so you can release the two buttons. High-speed hand
movement continues until you press any button. It will also stop automatically
after the time advances 12 hours or if an alarm (daily alarm, Hourly Time Signal,
or countdown beeper) starts to sound.
4. Press Ato exit the setting screen.
•The watch will automatically adjust the minute hand slightly to match its internal
second count when you exit the setting screen.
•To return to the Timekeeping Mode, press C.

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World Time
World Time digitally displays the current time in 27 cities
(29 time zones) around the world.
•All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C
(page E-6).
To view the time in another city
In the World Time Mode, press Dto scroll eastwardly
through city codes.
•For full information about city codes, see the “City Code
Table” at the back of this manual.
•If the current time shown for a city is wrong, it probably
means there is a problem with your Timekeeping Mode
time and/or Home City code settings. Go to the
Timekeeping Mode and make the necessary
adjustments.
City code
Current time for the
selected city code

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To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use Dto display the city code
whose Standard Time/Daylight Saving Time setting you
want to change.
2. Hold down Afor about two seconds to toggle between
Daylight Saving Time (DST indicator displayed) and
Standard Time (DST indicator not displayed).
•The DST indicator is on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
•Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
affected.
•Note that you cannot switch between Standard Time
and Daylight Saving Time while GMT is selected as the
city code.
DST indicator

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Countdown Timer
The countdown timer can be set within a range of one
minute to 60 minutes. An alarm sounds when the
countdown reaches zero. The countdown timer also has
an auto-repeat feature and a progress beeper that signals
the progress of the countdown.
•All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C(page E-6).
Configuring the Countdown Timer
The following are the settings you should configure before
actually using the countdown timer.
Countdown start time; Auto-repeat on/off; Progress
beeper on/off
•See “To configure the countdown timer” on page E-22
for information about setting up the timer.
Seconds
Minutes