Casio Watch QW 1848 User Manual

2. OPERATION CHART : QW-1848  
GENERAL GUIDE  
Press  
to change from mode to mode.  
After you perform an operation in any mode, pressing  
Press  
returns to the Timekeeping Mode.  
Alarm Mode  
in any mode to illuminate the display.  
Timekeeping Mode  
Countdown Alarm Mode  
Stopwatch Mode  
To set the alarm time  
1. Press while in the Alarm Mode. The hour digits flash on the display because they  
are selected.  
TIMEKEEPING MODE  
To set the time and date  
Day of week  
1. Press while in the Timekeeping Mode. The seconds  
digits flash on the display because they are selected.  
This operation automatically turns on the alarm.  
Month  
2. Press  
to change the selection in the following sequence.  
Day  
2. Press  
to change the selection in the following  
Hour Minutes  
Month  
Day  
sequence.  
Seconds  
Day  
Hour  
Minutes  
Year  
3. Press  
to increase the selected digits. Holding down  
changes the number at  
high speed.  
To set an alarm that does not include a month (Daily alarm, Monthly alarm), set for  
Month  
the month. Press  
digits are flashing.  
until the  
mark appears (between 12 and 1) while the month  
3. While the seconds digits are selected (flashing), press  
to reset the seconds to . If you press while the  
seconds count is in the range of 30 to 59, the seconds  
are reset to and 1 is added to the minutes. If the  
seconds count is in the range of 00 to 29, the minutes  
count is unchanged.  
To set an alarm that does not include a day (Daily alarm, 1-Month alarm), set  
the day. Press until the  
are flashing.  
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  
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 Alarm Mode automatically.  
for  
Hour  
Seconds  
mark appears (between 31 and 1) while the day digits  
Minutes  
PM indicator  
4. While any other digits (besides seconds) are selected (flashing), press  
to  
increase the number. Holding down  
While any digits are selected, press  
formats.  
changes the number at high speed.  
to switch between the 12-hour and 24-hour  
to return to the Alarm Mode.  
When the 12-hour format is selected, the P (PM) indicator appears on the display to  
indicate “p.m.” times. There is no indicator for “a.m.” times.  
Selecting the 24-hour format causes the 24 indicator to appear on the display.  
To stop the alarm  
Press any button to stop the alarm after it starts to sound.  
5. After you set the time and date, press  
to return to the Timekeeping Mode.  
The day of the week is automatically set in accordance with the date.  
The date can be set within the range of January 1, 1995 to December 31, 2039.  
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.  
To turn the alarm and Hourly Time Signal on and off  
Press  
while in the Alarm Mode to change the status of the alarm and Hourly Time  
Signal in the following sequence.  
[Alarm On Indicator/Hourly Time Signal On Indicator]  
BACKLIGHT FUNCTION  
Both ON  
Both OFF  
Alarm Only  
Hourly Time  
Signal Only  
A backlight that uses an EL (electro-luminescent) panel  
causes the entire display to glow for easy reading in the  
dark. An EL alarm feature can be turned on so the backlight  
flashes whenever an alarm or hourly time signal sounds.  
The EL alarm on indicator (  
) is shown on the display  
in all modes while the EL alarm is on.  
COUNTDOWN ALARM MODE  
EL alarm on indicator  
Note  
The backlight of the watch employs an electro-luminescent (EL) light, which loses  
illuminating power after very long use.  
The illumination provided by the backlight may be hard to see when viewed under  
direct sunlight.  
Mode indicator  
The countdown timer can be set within a range of 1 second  
to 24 hours. When the countdown reaches zero, an alarm  
sounds for 10 seconds or until you press any button.  
Note that you can also select auto repeat timing that  
automatically restarts the countdown from the original  
value you set whenever zero is reached.  
Current time  
To set the countdown time  
1. Press while in the Countdown Alarm Mode. The hours  
digit flashes on the display because it is selected.  
To manually turn on the backlight  
Pressing  
in any mode causes the backlight to turn on for about three seconds.  
The backlight automatically turns off whenever an alarm sounds.  
The above operations turn on the backlight, regardless of the current EL alarm  
settings.  
2. Press  
sequence.  
to change the selection in the following  
Hours  
Minutes  
Seconds  
Hours  
Minutes  
Seconds  
To turn the EL alarm on and off  
In the Timekeeping Mode, hold down  
on ( indicator displayed) and off (  
When the EL alarm is on, the backlight flashes while the alarm and hourly time signal  
tones are sounding.  
for about two seconds to toggle the EL alarm  
indicator not displayed).  
3. Press  
at high speed.  
To set the starting value of the countdown time to 24 hours, set to  
4. After you set the countdown time, press to return to the Countdown Alarm Mode.  
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 Countdown Alarm Mode automatically.  
to increase the selected number. Holding down  
changes the selection  
.
To use the countdown timer  
ALARM MODE  
1.Press  
2. Press  
while in the Countdown Alarm Mode to start the countdown timer.  
again to stop the countdown timer.  
Hourly time signal on  
indicator  
You can set an alarm with hour, minutes, month, and day.  
When the alarm is turned on, the alarm sounds for 20  
seconds at the preset time. When the Hourly Time Signal  
is turned on, the watch beeps every hour on the hour.  
You can continue countdown timer operation by pressing  
3. Stop the timer and then press 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.  
.
Mode indicator  
Month  
Day  
Alarm Types  
The types of alarm you get depends on the information you  
set.  
To set a Daily alarm  
Set the hour and minutes for the alarm time. Set  
the month and for the day (see step 3 under “To set  
the alarm time”). This type of setting causes the alarm  
to sound everyday at the time you set.  
To turn auto repeat timing on and off  
for  
1. Press while in the Countdown Alarm Mode. The hours  
digit flashes on the display because it is selected.  
2. Press  
to turn auto repeat on (AUTO displayed) and  
off (AUTO not displayed).  
Minutes  
Hour  
To set a Date alarm  
3. Press  
to return to the Countdown Alarm Mode.  
Set the month, day, hour and minutes for the alarm time.  
This type of setting causes the alarm to sound at the  
specific time, on the specific date you set.  
When the end of the countdown is reached while auto  
repeat is on, the alarm sounds, but the countdown starts  
again automatically whenever the countdown reaches  
zero. You can stop timing by pressing , and manually  
Alarm on indicator  
Auto repeat on indicator  
To set a 1-Month alarm  
Set the month, hour and minutes for the alarm time. Set  
for the day (see step  
reset to the starting countdown time by pressing  
.
3 under “To set the alarm time”). This type of setting causes the alarm to sound every  
day at the time you set, only during the month you set.  
To set a Monthly alarm  
Set the day, hour and minutes for the alarm time. Set  
for the month (see step 3  
under “To set the alarm time”). This type of setting causes the alarm to sound every  
month at the time you set, on the day you set.  
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