Casio 2872 Backlight, Alarms, Alarm Operation, About the Auto Light Switch, To configure countdown timer settings, To set an alarm time, To test the alarm

Operation Guide 2872

To configure countdown timer settings

1. While the countdown start time is on the

							display in the Countdown Timer Mode, hold
		l	l	l			down A until the minute setting of the
		l	l	l			countdown start time starts to flash, which
	l				l
	l					l
	l				l		indicates the setting screen.
l						l	indicates the setting screen.
l
	l	l l				l	• If the countdown start time is not displayed,
		l l		l	l		• If the countdown start time is not displayed,
					l

use the procedure under “To use the countdown timer” to display it.

2. Press C to move the flashing in the sequence shown below to select other settings.

To set an alarm time

1. In the Alarm Mode, use D to scroll through the alarm screens until the one whose time you want to set is displayed.

AL x1 AL x2 AL x3

:00 AL x5 AL x4

2. Hold down A until the hour setting of the alarm time start to flash, which

Minute indicator

Seconds

indicator On Off

l	l	ll
l			l
l			l
l		l
			l	l l l l l
		l	l			l
		l				l
	l					l
	l						l
		l				l
			l			l
			l		l l l	l
					l l l

Auto-repeat indicator


Start	Auto-repeat	Minute, seconds
Time	on/off	indicators on/off

3.Perform the following operations, depending on which setting is currently selected on the display.

•While the minute setting is flashing, use D

(+) or B (–) to change it.

•While the auto-repeat on/off setting (ON or OFF) is flashing on the display, press D to toggle auto-repeat on (ON) and off (OFF).

•While the seconds indicator is flashing, press D to toggle display of the minute and seconds indicators on (indicated when the minute indicator is displayed) and off (minute indicator not displayed).

4.Press A to exit the setting screen.

•The auto-repeat indicator () appears on the display while auto-repeat is turned on.

	indicates the setting screen.
	• This automatically turns on the alarm.
3.	Press C to move the flashing between the hour and minute settings.
4.	While a setting is flashing, use D (+) and B (–) to change it.
	• When setting the alarm time using the 12-hour format, take care to set
	the time correctly as a.m. (no indicator) or p.m. (P indicator).
5.	Press A to exit the setting screen.

Alarm Operation

The alarm sounds in all modes at the preset time for about 10 seconds, or until you stop it by pressing any button.

To test the alarm

In the Alarm Mode, hold down D to sound the alarm.

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.When the alarm or the Hourly Time Signal you want to is selected, press E to turn it on and off.

To turn the progress beeper on and off

Pressing A while the countdown start time is on the display or while a countdown timer operation is in progress in the Countdown Timer Mode toggles progress beeper operation on ( displayed) and off ( not displayed).

Progress beeper on indicator

Indicates alarm is ON.

Indicates Hourly Time Signal is ON.

•The alarm on indicator () and the Hourly Time Signal on indicator () are shown on the display in all modes while these functions are turned on.

•If any alarm is on, the alarm on indicator is shown on the display in all modes.

Backlight

To use the countdown timer

	Minute indicator	Press E while in the Countdown Timer Mode to
	Minute indicator	start the countdown timer.
		start the countdown timer.
		• When display of the minute and seconds
		indicators is turned on, the indicators show the
		remaining countdown time (minutes and
		seconds). The seconds and minute indicators
	Seconds	are positioned at 12 o’clock when the current
	indicator	countdown time is 60 minutes.

• When the countdown reaches zero, the alarm sounds for five seconds or

until you stop it by pressing any button.

Auto light switch on indicator

The backlight uses an EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the dark. The watch’s auto light switch automatically turns on the backlight when you angle the watch towards your face.

•The auto light switch must be turned on (indicated by the auto light switch on indicator) for it to operate.

•You can specify 1.5 seconds or 2.5 seconds as the illumination duration.

•See “Backlight Precautions” for other important information about using the backlight.

• Press E while a countdown operation is in progress to pause it. Press E

again to resume the countdown.

• The countdown timer operation continues even if you exit the Countdown

Timer Mode.

• To completely stop a countdown operation, first pause it (by pressing E),

and then press A. This returns the countdown time to its starting value.

• Frequent use of auto-repeat and the alarm can run down battery power.

Alarms

To turn on the backlight manually

Press L in any mode to illuminate the display.

•The above operation turns on the backlight regardless of the current auto light switch setting.

•The backlight is disabled while you are performing a bearing sensor calibration operation in the Digital Compass Mode.

About the Auto Light Switch

Turning on the auto light switch causes the backlight to turn on, whenever you position your wrist as described below in any mode.

Alarm on indicator

Hourly time signal on indicator

Alarm number

Timekeeping

Mode time

Alarm time (Hour : Minutes)

You can set five independent daily alarms. When an alarm is turned on, the alarm tone sounds when the alarm time is reached.

You can also turn on an Hourly Time Signal, which will cause the watch to beep twice every hour on the hour.

•The alarm number (ALx1 through ALx5 ) indicates an alarm screen. :00 is shown for the alarm time when the Hourly Time Signal screen is on the display.

•When you enter the Alarm Mode, the data you were viewing when you last exited the mode appears first.

•All of the operations in this section are performed in the Alarm Mode, which you enter by pressing C.

Note that this watch features a “Full Auto EL Light”, so the auto light switch operates only when available light is below a certain level. It does not turn on the backlight under bright light.

Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes the backlight to turn on.

•Wear the watch on the outside of your wrist.

	Parallel to	More than
	ground
		40°

Warning!

•Always make sure you are in a safe place whenever you are reading the display of the watch using the auto light switch. Be especially careful when running or engaged in any other activity that can result in accident or injury. Also take care that sudden illumination by the auto light switch does not surprise or distract others around you.

•When you are wearing the watch, make sure that its auto light switch is turned off before riding on a bicycle or operating a motorcycle or any other motor vehicle. Sudden and unintended operation of the auto light switch can create a distraction, which can result in a traffic accident and serious personal injury.