CASIO QW1826 (SM578)
Manual de Servicio

COUNTDOWN ALARM MODE
Mode indicator
TR 0

To turn the daily alarm and hourly time signal on and off
Press B while in the Alarm Mode to change the status of the daily alarm and hourly time signal in the following sequence.
ALM SIG Both ON Both OFF ALM Daily Alarm Only SIG Hourly Time Signal Only

A C

B E

The countdown alarm can be set within a range of 1/10 1 second to 24 hours. When the countdown seconds reaches zero, an alarm sounds for 10 seconds or until you press any button.

To set the countdown start time

? 0000 0
D

Hours Seconds Minutes

1. Hold down A while in the Countdown Alarm Mode. The hour setting flashes on the display because it is selected. 2. Press C to change the selection in the following sequence.
Hour Minutes Seconds

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

To test the alarm sound
Hold down E while in the Alarm Mode to sound the alarm.

3. Press E to increase the selected setting or B to decrease it. Holding down either button changes the setting at high speed. � To set the starting value of the countdown time to 24 hours, set 0:00' 00". 4. After you set the countdown start time, press A to return to the Countdown Alarm Mode. � If you do not operate any button for a few minutes while a setting is flashing, the flashing stops and the watch goes back to the Countdown Alarm Mode automatically.

To use the countdown alarm
1. Press E while in the Countdown Alarm Mode to start the countdown alarm. 2. Press E again to stop the countdown alarm. � You can resume a paused countdown alarm operation by pressing E. 3. Stop the countdown alarm and then press B to reset the countdown time to its starting value. � When the end of the countdown is reached and auto repeat timing is off, the alarm sounds for 10 seconds or until you stop the alarm by pressing any button. Countdown timing stops and the countdown time is automatically reset to its starting value after the alarm stops.

To turn auto repeat timing on and off
1. Hold down A while in the Countdown Alarm Mode until the hour setting flashes. 2. Press D to turn auto repeat on and off.
Auto repeat indicator

A C

TR

B E
Press D

A C

TR

B E

0 1500
D
OFF

0 1500
D
ON

3. Press A to return to the Countdown Alarm Mode. � When the end of the countdown is reached while auto repeat is on, the alarm sounds, but the countdown restarts from the beginning without stopping. You can stop the countdown by pressing E and manually reset to the start time by pressing B. � When the starting value of the countdown time is set at 10 seconds or less and auto repeat is turned on, the countdown alarm tone sounds for only one second instead of the normal 10 seconds. If the Flash Alarm is turned on, the EL backlight does not flash under the above conditions.

ALARM MODE
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 on, the watch beeps every hour on the hour.
Mode indicator

Alarm on indicator

A C

AL

B E

Hourly time signal on indicator

6 45
D
Hours Minutes

To set the alarm time
1. Hold down A until the hour setting starts to flash on the display. The hour setting flashes because it is selected. � This operation automatically turns on the Daily Alarm. 2. Press C to change the selection in the following sequence.
Hour Minutes

3. While the hour or minutes setting is selected (flashing) press E to increase it or B to decrease it. Holding down either button changes the current setting at high speed. � 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 (no indicator) or afternoon (P). 4. After you set the alarm time, press A to return to the Alarm Mode. � If you do not operate any button for a few minutes while a setting is flashing, the flashing stops and the watch goes back to the Alarm Mode automatically.

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