CASIO BG180-1V
Manual de Usuario

Operation Guide 2902/2952
Countdown Timer
Timekeeping Mode time (Hour : Minutes) Mode indicator

Illumination
The countdown timer can be set within a range of one second to 24 hours. An alarm sounds when the countdown reaches zero. � You can also select auto-repeat, which automatically restarts the countdown from the original value you set whenever zero is reached. � If you have Flash Alert turned on, display illumination will also flash while the countdown alarm is sounding. � All of the operations in this section are performed in the Countdown Timer Mode, which you enter by pressing C. An LED (light-emitting diode) and light guide panel illuminate the entire display for easy reading in the dark. � See �Illumination Precautions� for other important information.

Flash alert indicator

To illuminate the display In any mode, press L to illuminate the display for about two seconds.

Flash Alert
When Flash Alert is turned on, the display illumination flashes while a multi-function alarm, Hourly Time Signal, or countdown alarm is sounding.

Hours Seconds Minutes

To use the countdown timer
Press B while in the Countdown Timer Mode to start the countdown timer. � When the end of the countdown is reached and auto-repeat is turned off, 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. � The countdown alarm will sound for only one second when the countdown start time is 10 seconds or less. � The countdown timer measurement operation continues even if you exit the Countdown Timer Mode. � Press B while a countdown operation is in progress to pause it. Press B again to resume the countdown. � To completely stop a countdown operation, first pause it (by pressing B), and then press A. This returns the countdown time to its starting value.

To toggle Flash Alert on and off
In the Timekeeping Mode, hold down B for about two seconds to toggle Flash Alert on ( displayed) and off ( not displayed).

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.

Auto return features
If you leave a screen with flashing digits for two or three minutes without performing any operation, the watch automatically saves any settings you have made up to that point and exits the setting screen.

To set the countdown start time 1. In the Countdown Timer Mode, press A. This causes
the countdown start time hour digits to flash on the display, which indicates the setting screen. 2. Press C to move the flashing in the sequence shown below to select other settings.
Hour Minutes Seconds

Scrolling
The B button is used to scroll through setting screen data on the display. Holding down this button during a scroll operation scrolls through the data at high speed.

Illumination Precautions

� Illumination may be hard to see when viewed under direct sunlight. � Frequent use of illumination runs down the battery.

3. While a setting is flashing, press B to increase it. � To set the starting value of the countdown time to 24 hours, set 0:00. 4. Press A to exit the setting screen.

To turn auto-repeat on and off 1. In the Countdown Timer Mode, press A. This causes Auto-repeat indicator the countdown start time hour digits to flash on the display, which indicates the setting screen. 2. Press L to toggle auto-repeat on (auto-repeat indicator displayed) and off (auto-repeat indicator not displayed). 3. Press A to exit the setting screen. � When the end of the countdown is reached while autorepeat is on, the alarm sounds, but the countdown restarts from the beginning without stopping. You can stop the countdown by pressing B and manually reset to the start time by pressing A. � The auto-repeat indicator appears in the Countdown Timer Mode only.

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 seconds. � After the elapsed time reaches one hour, the display changes to show the hours, minutes, and seconds in 1-second units. � 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 C.
Mode indicator Timekeeping Mode time (Hour : Minutes) Hours

Times greater than one hour

Minutes 1/100 second Seconds

Minutes

Seconds

To measure times with the stopwatch
Elapsed time Start Split time Start Two Finishes Start Split
First runner finishes. Display time of first runner.

Stop

Re-start

Stop

Clear

Split ( displayed)

Split release

Stop

Clear

Stop
Second runner finishes.

Split release
Display time of second runner.

Clear

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