CASIO BGT100F-4A
Owner's Manual

To switch between standard time and daylight saving time
1. In the World Time Mode, display the time zone whose standard/daylight saving time setting you want to change. You can make separate daylight saving time settings for each individual city. 2. Hold down until the DST On/Off setting starts to flash on the display. The setting flashes because it is selected. The DST indicator flashes along with the current on/ off setting. 3. Press or to toggle Daylight Saving Time on ( ON ) and off ( Aff ). 4. After you are finished making the setting you want, press to return to the World Time Mode. The DST indicator is on the display whenever you display a city for which daylight saving time is turned on.

(a) Elapsed time measurement Start Stop Re-start Stop Clear

(b) Split time measurement Start Split Split release Stop Clear

(c) Split time and 1st-2nd place times

ALARM MODE
Hourly time signal on indicator Tone alarm on indicator City code

Start

Split

When the Daily Alarm is turned on, the alarm sounds for 20 seconds at the preset time each day. Press any button to stop the alarm after it starts to sound. When the Hourly Time Signal is turned on, the watch beeps every hour on the hour. The Daily Alarm and the Hourly Time Signal can be set to sound in accordance with the Timekeeping Mode time or the time of one of the World Time Mode city codes. In addition to the alarm buzzer sounding, you can also set the EL backlight to flash when an alarm time is reached. The term �current time� as used in this manual refers to the time kept in the Timekeeping Mode. The alarm does not sound if the alarm time is reached while you are making watch settings (while digits or settings are flashing on the display).

First runner finishes.

Stop

Second runner finishes. Record time of first runner.

Split release

Record time of second runner.

Clear

AUTO DISPLAY FUNCTION
The Auto Display function of this watch continually changes the contents of the digital display. Note that you cannot use any of the watch's other functions (except for backlight) while the Auto Display function is operating.

To turning the Auto Display Off
Hold down beeps. for about three seconds until the watch

Hour : Minutes Mode indicator Current time

To turning the Auto Display On
Hold down for about three seconds in the Timekeeping Mode until the watch beeps. Note The Auto Display function cannot be performed while you are making settings (i.e. while digits or other settings are flashing on the display).

To set the alarm time
1. Hold down while on the Alarm Mode until the city code starts to flash on the display. The city code flashes because it is selected. 2. Press to change the selection in the following sequence.
City code Hour Minutes

CITY CODE TABLE
City Code ADL ANC BCN BKK CAI CCS CHI DAC DEL DEN DXB GUM HKG HNL IST JED JRS KBL KHI LAX LON MIA MLE NOU NYC PAR PPG PPT RGN RIO ROM SEL SFO SIN SPN SYD THR TYO WLG YVR City ADELAIDE ANCHORAGE BARCELONA BANGKOK CAIRO CARACAS CHICAGO DHAKA DELHI DENVER DUBAI GUAM HONG KONG HONOLULU ISTANBUL JEDDAH JERUSALEM KABUL KARACHI LOS ANGELES LONDON MIAMI MALE NOUMEA NEW YORK PARIS PAGO PAGO PAPEETE YANGON RIO DE JANEIRO ROME SEOUL SAN FRANCISCO SINGAPORE SAIPAN SYDNEY TEHRAN TOKYO WELLINGTON VANCOUVER GMT differential +9.5 �09 +01 +07 +02 �04 �06 +06 +5.5 �07 +04 +10 +08 �10 +02 +03 +02 +4.5 +05 �08 +00 �05 +05 +11 �05 +01 �11 �10 +6.5 �03 +01 +09 �08 +08 +10 +10 +3.5 +09 +12 �08

3. While any setting is selected, press to advance it, or to move it back. Holding down either button changes the setting at high speed. If you want the Daily Alarm to operate in accordance with the time kept in the Timekeeping Mode, select HOME for the city code. Otherwise, select the city code for any other city you want to select. See the �CITY CODE TABLE� at the back of this manual for a full list of city codes. Note that the HOME setting is not included in the �CITY CODE TABLE�. When scrolling through city codes on the display, HOME is located between the ADL and YVR codes. The format (12-hour and 24-hour) of the alarm time matches the format you select for normal timekeeping. When setting the alarm time using the 12-hour format, take care to set the time correctly as morning (A) or afternoon (P). 4. After you set the alarm time, press to return to the Alarm Mode. If you do not operate any button for a few minutes while a selection is flashing, the flashing stops and the watch goes back to the Alarm Mode automatically.

To turn the Daily Alarm and Hourly Time Signal on and off
Hourly time signal on indicator Tone alarm on indicator

In the Alarm Mode, use to turn the Daily Alarm on and off, and to select the alarm type. Use to toggle the Hourly Time Signal on and off. Indicators as shown in the nearby illustration appear on the display to indicate that the EL alarm ( EL ALM), tone alarm ( ALM), or Hourly Time Signal ( SIG) is turned on. The Hourly Time Signal sounds in accordance with the time for the city code for which you set the alarm.

City code

Each press of

cycles through the alarm settings as shown below.
Tone Alarm EL Alarm Off

When the EL alarm is turned on, the alarm tone sounds and the backlight flashes whenever the alarm time is reached. Turning on the tone alarm sounds the alarm tone only, without the flashing backlight.

To test the alarm
Hold down

while in the Alarm Mode to sound the alarm.

STOPWATCH MODE
Hours Mode indicator

The Stopwatch Mode lets you measure elapsed time, split times, andminutes, 59.99 seconds. of the stopwatch is 23 hours, 59 two finishes. The range

Minutes

1/100 second Seconds

*Based on data as of September 1997.

-3-