Casio DQ-643 User Manual 2

USER’S GUIDE DQ-643

• A sticker is affixed to the display of this clock when you purchase it. Be sure to remove the sticker before using
the clock.

• Depending on the clock model, the configuration of your clock may differ somewhat from that shown in the
illustration.

PM indicator

Alarm Off Alarm On

DATE (month - date)

Day of the week

Current time
(Hour, minutes, seconds)

Alarm time

Snooze on indicator

Alarm on indicator

GENERAL GUIDE

11

1 Snooze/Light button

11

• Press to turn on the backlight for three or four seconds.

• Pressing this button while the alarm is sounding stops the alarm.

22

2 Alarm Time Set buttons

22

Use these buttons to set the alarm time or current time.

33

3 SET button

33

Use this button when setting the current time.

44

4 RESET button

44

Press to reset the clock after replacing batteries.

55

5 Alarm Switch

55

Use this switch to turn the alarm on and off, and to turn on the snooze alarm.

SETTING THE TIME

1. Open the battery compartment cover. Press the SET button (
below.

Year Setting Screen 12-hour/24-hour Timekeeping Screen

Month and Day Setting Screen Time Setting Screen

2. While the screen you want is on the display, use the Alarm Time Set buttons (
flashing.

the flashing digits.

• Holding down 왕 or 왓 changes the flashing digits at high speed.

• You can set the year in the range of 2000 to 2039. The day of the week is set automatically in accordance with

the date setting.

• Pressing 왕 or 왓 while the Time Setting Screen is on the display causes the seconds count to be reset to 00.

• Each press of 왕 or 왓 while the 12-hour/24-hour Timekeeping Screen is on the display toggles between

12-hour and 24-hour timekeeping.

3. After making the settings you want, use the SET button (

• The clock automatically returns to the Normal Timekeeping Screen if you leave a setting screen on the display

for about three minutes without performing any operation.

Normal Timekeeping Screen

33

3) to cycle through the setting screens as shown

33

22

2)

to change the digits that are

22

Press 왕 to increase
the flashing digits.Press 왓 to decrease

33

3)

to display the Normal Timekeeping Screen.

33

1