Casio Clock Radio 3793 User Manual

MA0508-EA  
Operation Guide 3793  
About This Manual  
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.  
General Guide  
Press B to change from mode to mode. After you perform an operation (except for  
C) in any mode, pressing B returns to the Timekeeping Mode.  
In any mode, press C to illuminate the display.  
Timekeeping Mode  
Telememo Mode  
World Time Mode  
Alarm Mode  
Countdown Timer  
Mode  
Stopwatch  
Mode  
Hand Setting  
Mode  
Press  
.
To toggle between 12-hour and 24-hour timekeeping  
Timekeeping  
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping (indicated  
by A or P on the display), or 24-hour timekeeping.  
This watch features separate digital and analog timekeeping. The procedures for  
setting the digital time and analog time are different.  
In the Timekeeping Mode, press A to toggle the display between the date screen  
and the time screen.  
With the 12-hour format, the P (PM) indicator appears on the display for times in the  
range of noon to 11:59 p.m. and the A (AM) indicator appears for times in the range  
of midnight to 11:59 a.m.  
With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without  
Date Screen  
Time Screen  
any indicator.  
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is  
applied in all modes.  
Hour hand  
Minute hand  
Seconds  
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.  
Press  
.
Day of week  
PM indicator  
Hour : Minutes  
To toggle the Timekeeping Mode digital time between DST and Standard Time  
1. In the Timekeeping Mode, hold down A until the  
seconds start to flash, which indicates the setting  
screen.  
Month – Day  
2. Press B once to display the DST setting screen.  
3. Press D to toggle between Daylight Saving Time (ON  
displayed) and Standard Time (OFF displayed).  
4. Press A to exit the setting screen.  
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).  
The DST indicator appears on the Timekeeping, Alarm,  
and Hand Setting Mode to indicate that Daylight Saving  
DST indicator  
Time is turned on.  
To set the digital time and date  
1. In the Timekeeping Mode, hold down A until the  
seconds start to flash, which indicates the setting  
screen.  
2. Press B to move the flashing in the sequence shown  
below to select the other settings.  
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 B six times to enter  
the Hand Setting Mode.  
2. Hold down A until the current digital time starts to  
flash, which indicates the analog setting screen.  
3. Press D to advance the analog time setting by 20  
seconds.  
Holding down D advances the analog time setting at  
high speed.  
DST  
Hour  
Seconds  
Minutes  
Year  
Day  
Month  
3. When the setting you want to change is flashing, use C and D to change it as  
described below.  
Screen  
FA  
To do this:  
Reset the seconds to AA  
Toggle between Daylight Saving Time (ON) and  
Standard Time (OFF)  
Change the hour or minutes  
Change the year  
Do this:  
Press D.  
Press D.  
If you need to advance the analog time a long way, press D and C at the same  
time. 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 alarm) starts to sound.  
4. Press A to exit the setting screen.  
OFF  
P
10:08  
Press D (+) and C ().  
CAAF  
6-30  
To return to the Timekeeping Mode, press B.  
Change the month or day  
4. Press A to exit the setting screen.  
Resetting the seconds only (without changing the hour, minute, or DST setting)  
causes the analog minute hand setting to be adjusted automatically. If you change  
the hour, minute, or DST setting, you should also use the procedure under To  
adjust the analog timeto adjust the analog hands accordingly.  
See Digital Time Daylight Saving Time (DST) Settingfor details about the DST  
setting.  
Resetting the seconds to AA 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 AA without changing the minutes.  
The day of the week is automatically displayed in accordance with the date (year,  
month, and day) settings.  
The year can be set in the range of 2000 to 2099.  
The watchs built-in full automatic calendar makes allowances for different month  
lengths and leap years. Once you set the date, there should be no reason to change  
it except after you have the watchs battery replaced.  
1
 
Operation Guide 3793  
To test the alarm  
In the Alarm Mode, hold down D to sound the alarm.  
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.  
To turn an alarm and the Hourly Time Signal on and off  
1. In the Alarm Mode, use D to select an alarm or the Hourly Time Signal.  
2. Press A to toggle it on and off.  
The indicators shown below appear on the display when the daily alarm and Hourly  
Time Signal are turned on. Each indicator disappears when the corresponding  
function is turned off.  
Auto Return Feature  
The watch automatically returns to the Timekeeping Mode if you do not perform any  
button operation for two or three minutes in the Telememo, Alarm, or Hand Setting  
Mode.  
If you leave a screen with flashing digits or a cursor on the display for two or three  
minutes without performing any operation, the watch automatically exits the setting  
screen.  
Alarm 1  
on indicator  
Hourly time signal  
on indicator  
Holding down B for about one second in any mode jumps directly to the  
Timekeeping Mode. This operation does not work while a setting screen is on the  
display.  
Snooze alarm  
on indicator  
Alarm 2  
on indicator  
The above on indicators appear on the display in all modes.  
Scrolling  
An on indicator on the display flashes while its corresponding alarm operation is  
The C and D buttons are used in various modes and setting screens 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.  
sounding.  
The snooze alarm on indicator flashes during the 5-minute intervals between  
alarms.  
Initial Screens  
When you enter the Telememo, World Time, or Alarm Mode, the data you were  
viewing when you last exited the mode appears first.  
Countdown Timer  
The countdown timer can be set within a range of one  
World Time  
Seconds  
minute to 24 hours. An alarm sounds when the countdown  
The UTC differentials associated with each city code are used to calculate World  
Time Mode times, based on the time you set for any one of the World Time cities.  
The UTC differential is a value that indicates the time difference between a  
reference point in Greenwich, England and the time zone where a city is located.  
The letters UTCis the abbreviation for Coordinated Universal Time, which is the  
world-wide scientific standard of timekeeping. It is based upon carefully maintained  
atomic (cesium) clocks that keep time accurately to within microseconds. Leap  
seconds are added or subtracted as necessary to keep UTC in sync with the Earths  
rotation.  
reaches zero.  
All of the operations in this section are performed in the  
Countdown Timer Mode, which you enter by pressing  
B.  
To set the countdown start time  
1. In the Countdown Timer Mode, hold down A until the  
hour setting of the countdown start time starts to  
flash,which indicates the setting screen.  
2. Press B to move the flashing between the hour and  
minute settings.  
Hours  
Minutes  
Display Illumination Precautions  
The light that illuminates the face uses two LEDs (light-emitting diode) and a light  
guide panel that cause the display to glow for easy reading in the dark. In any mode  
(except when a setting screen is on the display), press C to illuminate the display for  
about one second.  
3. While a setting is flashing, use D (+) and C () to change it.  
To set the starting value of the countdown time to 24 hours, set  
4. Press A to exit the setting screen.  
0:00.  
The illumination provided by the light may be hard to see when viewed under direct  
To use the countdown timer  
sunlight.  
Press D while in the Countdown Timer Mode to start the  
countdown timer.  
When the end of the countdown is reached, the alarm  
sounds for 10 seconds or until you stop it by pressing  
any button. The countdown time is automatically reset to  
its starting value after the alarm stops.  
Press D while a countdown operation is in progress to  
pause it. Press D again to resume the countdown.  
To completely stop a countdown operation, first pause it  
(by pressing D), and then press A. This returns the  
countdown time to its starting value.  
The light automatically stops illuminating whenever an alarm sounds.  
Frequent use of the light shortens the battery life.  
Character List  
The countdown timer measurement operation continues  
even if you exit the Countdown Timer Mode.  
Stopwatch  
The stopwatch lets you measure elapsed time, split times,  
and two finishes.  
The display range of the stopwatch is 23 hours,  
59 minutes, 59.99 seconds.  
Seconds  
1/100  
second  
The stopwatch continues to run, restarting from zero  
after it reaches its limit, until you stop it.  
The stopwatch measurement operation continues even  
if you exit the Stopwatch Mode.  
Exiting the Stopwatch Mode while a split time is frozen  
on the display clears the split time and returns to  
elapsed time measurement.  
All of the operations in this section are performed in the  
Stopwatch Mode, which you enter by pressing B.  
City Code Table  
Hours  
Minutes  
City  
Code  
UTC  
City  
Other major cities in same time zone  
Differential  
PPG  
HNL  
ANC  
LAX  
DEN  
Pago Pago  
Honolulu  
Anchorage  
Los Angeles  
Denver  
11.0  
10.0  
09.0  
08.0  
07.0  
Papeete  
Nome  
To measure times with the stopwatch  
Elapsed Time  
San Francisco, Las Vegas, Vancouver, Seattle, Dawson City  
El Paso, Edmonton  
Houston, Dallas/Fort Worth, New Orleans, Mexico City,  
Winnipeg  
CHI  
Chicago  
06.0  
Montreal, Detroit, Miami, Boston, Panama City, Havana,  
Lima, Bogota  
Start  
Stop  
Split  
Split  
Re-start  
Split release  
Stop  
Stop  
Clear  
Clear  
Clear  
NYC  
CCS  
New York  
Caracas  
05.0  
04.0  
03.0  
02.0  
01.0  
+00.0  
La Paz, Santiago, Port Of Spain  
Split Time  
RIO Rio De Janeiro  
Sao Paulo, Buenos Aires, Brasilia, Montevideo  
– – –  
– – –  
LON  
PAR  
BER  
CAI  
JRS  
JED  
MOW  
THR  
DXB  
KBL  
KHI  
DEL  
DAC  
RGN  
BKK  
Praia  
Start  
Stop  
London  
Paris  
Berlin  
Cairo  
Jerusalem  
Jeddah  
Moscow  
Tehran  
Dubai  
Kabul  
Karachi  
Delhi  
Dublin, Lisbon, Casablanca, Dakar, Abidjan  
Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg,  
Frankfurt, Vienna, Stockholm  
+01.0  
+02.0  
+03.0  
Two Finishes  
Athens, Helsinki, Istanbul, Beirut, Damascus, Cape Town  
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi  
Start  
Split release  
Display time of  
second runner.  
First runner  
Second runner  
finishes.  
+03.5  
+04.0  
+04.5  
+05.0  
+05.5  
+06.0  
+06.5  
+07.0  
Shiraz  
Abu Dhabi, Muscat  
finishes.  
Display time of  
first runner.  
Male  
Mumbai, Kolkata  
Colombo  
Dhaka  
Yangon  
Bangkok  
Jakarta, Phnom Penh, Hanoi, Vientiane  
Singapore, Kuala Lumpur, Beijing, Taipei, Manila, Perth,  
Ulaanbaatar  
HKG  
Hong Kong  
+08.0  
TYO  
ADL  
SYD  
NOU  
WLG  
Tokyo  
Adelaide  
Sydney  
Noumea  
Wellington  
+09.0  
+09.5  
+10.0  
+11.0  
+12.0  
Seoul, Pyongyang  
Darwin  
Melbourne, Guam, Rabaul  
Port Vila  
Christchurch, Nadi, Nauru Island  
*Based on data as of December 2004.  
3
 

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