Casio QW 2320/2321 Watch 2321 Qw2321

User Manual: Casio Casio Watch 2321

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Module No. 2320/2321
GENERAL GUIDE
• Press A to change from mode to mode.
Timekeeping Mode

Calendar Mode

ABOUT THE BACKLIGHT (MODULE 2321 ONLY)
• Hold down L to illuminate the display for about 2 seconds. The backlight is disabled while an input screen (with a flashing setting) is on the display.
• The backlight of this watch employs an electro-luminescent (EL) light, which loses
its illuminating power after very long term use.
• Frequent use of the backlight shortens the battery life.
• The watch emits an audible sound whenever the display is illuminated. This does
not indicate malfunction of the watch.
• The illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
• The backlight automatically turns off whenever an alarm sounds.
• When the backlight is turned on, it blinks whenever the minute hand moves. This is
normal, and does not indicate malfunction of the watch.

Dual Time Mode

Stopwatch Mode

1. Hold down B until the month digits start to flash.
2. Press A to increase the month digits. Holding down A changes the digits at high
speed.
3. Press B to move the selection to day digits.
4. Press A to increase the day digits. Holding down A changes the digits at high
speed.
5. Press B to move the selection to the day of the week indication.
6. Press A to advance to the next day. Holding down A changes the indication at
high speed.
7. Press B to complete the procedure.
• 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 Calendar Mode automatically.

DUAL TIME MODE
TIMEKEEPING MODE
• Use this mode to set the current time. An incorrect time setting will result in incorrect operation of the calendar.

To set the time and date
Hour

Minutes

12/24

Hour
Seconds
Minutes

To set the Dual Time

Seconds

Hour

12/24

Minutes

Hour
Seconds
Minutes

1. Hold down B until the seconds digits start to flash.
2. Press A to reset the seconds to 00. If you press A while the seconds count is in
the range of 30 to 59, the seconds are reset to 00 and 1 is added to the minutes. If
the seconds count is in the range of 00 to 29, the minutes count is unchanged.
3. Press B to move the selection to the hour digits.
4. Press A to increase the hour digits. Holding down A changes the hour digits at
high speed.
5. Press B to move the selection to the minutes digits.
6. Press A to increase the minutes digits. Holding down A changes the minutes
digits at high speed.
7. Press B to move the selection to 12/24.
8. Press A to toggle the timekeeping format between 12-hour and 24-hour.
9. Press B to complete the procedure.
• 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 Timekeeping Mode automatically.

1. Hold down B until the hour digits start to flash.
2. Press A to increase the hour digits. Holding down A changes the digits at high
speed.
3. Press B to move the selection to the minutes digits.
4. Press A to increase the minutes digits. Holding down A changes the digits at high
speed.
5. Press B to move the selection to 12/24.
6. Press A to toggle the timekeeping format between 12-hour and 24-hour.
7. Press B to complete the procedure.
• 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 Dual Time Mode automatically.
• In the Dual Time Mode, the seconds count is synchronized with the seconds count
of the Timekeeping Mode.

STOPWATCH MODE
The stopwatch Mode lets you measure elapsed time. The
range of the stopwatch is 59 minutes 59.99 seconds.

To set the hands

To use the Stopwatch

When in any Mode, press H with a thin object to advance the analog time setting.
Each press of H advances the time by 20 seconds. Three presses advance by one
minute.
Holding down H advances the analog setting at high speed. You can only advance
the setting and cannot reverse it.
Minutes
1/100 second
Seconds

CALENDAR MODE
• This is the normal mode for this watch.

To set the date
Hour hand

Minute hand

Month

Month

Day of week
Day

Day

Day of week

1. Press B to start the stopwatch.
2. Press B to stop the time measurement.
• You can press B as many times as you want to resume
and stop timing.
3. After you are finished using the stopwatch, hold down
B to clear the stopwatch time to all zeros.
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