Casio QW-1848 User's Manual
Contents
1. 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 w mA Loe Bi A Both ON Both OFF Alarm Only Hourly Time Signal Only COUNTDOWN ALARM MODE 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 Mode indicator Current time To set the countdown time 1 Press while in the Countdown Alarm Mode The hours D digit flashes on the display because it is selected 2 Press to change the selection in the following sequence Seconds Minutes Hours Minutes Seconds 3 Press to increase the selected number Holding down changes the selection at high speed nwan e To set the starting value of the countdown time to 24 hours set to 8 0000 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 use the countdown timer 12. 2 OPERATION CHART QW 1848 GENERAL GUIDE e Press to change from mode to mode e After you perform an operation in any mode pressing returns to the Timekeeping Mode e Press in any mode to illuminate the display Alarm Mode Timekeeping Mode TIMEKEEPING MODE Day of week To set the time and date 1 Press while in the Timekeeping Mode The seconds digits flash on the display because they are selected 2 Press to change the selection in the following sequence m Seconds Hour Minutes Day Month a Year ma 3 While the seconds digits are selected flashing press to reset the seconds to BE If you press while the seconds count is in the range of 30 to 59 the seconds are reset to B and 1 is added to the minutes If the seconds count is in the range of 00 to 29 the minutes count is unchanged Minutes PM indicator 4 While any other digits besides seconds are selected flashing press to increase the number Holding down changes the number at high speed e While any digits are selected press to switch between the 12 hour and 24 hour formats e 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 e Selecting the 24 hour format causes the 24 indicator to appear on the display 5 After you set the time and date
3. Press while in the Countdown Alarm Mode to start the countdown timer 2 Press again to stop the countdown timer 4 e You can continue countdown timer operation by pressing 3 Stop the timer and then press to reset the countdown time to its starting value e 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 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 3 Press to return to the Countdown Alarm Mode e 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 reset to the starting countdown time by pressing Auto repeat on indicator STOPWATCH MODE Mode indicator The Stopwatch Mode lets you measure elapsed time split x times and two finishes The range of the stopwatch is 23 Current time hours 59 minutes 59 seconds To measure elapsed time AD NN 1 Press to start the stopwatch i 2 Press to stop the stopwatch e You can resume the measurement op
4. arm is on the backlight flashes while the alarm and hourly time signal tones are sounding ALARM MODE 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 Hourly time signal on indicator Mode indicator Month is turned on the watch beeps every hour on the hour Day Alarm Types The types of alarm you get depends on the information you ws a YA set e To set a Daily alarm Set the hour and minutes for the alarm time Set for 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 e To set a Date alarm 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 D Minutes L Hour Alarm on indicator e To set a 1 Month alarm Set the month hour and minutes for the alarm time Set for the day see step 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 e 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 o
5. eration by press D ing again 3 Press to clear the stopwatch to all zeros e For the first 60 minutes the display shows minutes seconds and 1 100 second After 60 minutes the dis play format changes to show hours minutes and sec onds Minutes Seconds 1 100 second To record split times 1 Press to start the stopwatch 2 Press to display the timing up to that point Stopwatch timing continues internally 3 Press to clear the split time and to continue time measurement on the display e You can repeat steps 2 and 3 as many times as you want 4 Press to stop the time measurement 5 Press to clear the stopwatch to all zeros To time first and second place finishes 1 Press to start the stopwatch 2 Press when the first finisher crosses the line and record the time 3 Press when the second finisher crosses the line 4 Press to display the finishing time of the second finisher 5 Press again to clear the stopwatch to all zeros
6. n the day you set 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 e This operation automatically turns on the alarm 2 Press to change the selection in the following sequence Month Day TT m Hour Minutes 3 Press to increase the selected digits Holding down changes the number at igh speed e To set an alarm that does not include a month Daily alarm Monthly alarm set for e month Press until the mark appears between 12 and 1 while the month igits are flashing e To set an alarm that does not include a day Daily alarm 1 Month alarm set for the day Press until the mark appears between 31 and 1 while the day digits are flashing e The format 12 hour and 24 hour of the alarm time matches the format you select or normal timekeeping e 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 to return to the Alarm Mode e If you do not operate any button for a few minutes while a selection is flashing the lashing stops and the watch goes back to the Alarm Mode automatically jon To stop the alarm Press any button to stop the alarm after it starts to sound To turn the alarm and Hourly Time
7. press to return to the Timekeeping Mode e The day of the week is automatically set in accordance with the date e The date can be set within the range of January 1 1995 to December 31 2039 e 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 m EL alarm on indicator Note e 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 BACKLIGHT FUNCTION 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 e The EL alarm on indicator lt gt is shown on the display in all modes while the EL alarm is on To manually turn on the backlight Pressing in any mode causes the backlight to turn on for about three seconds e The backlight automatically turns off whenever an alarm sounds e The above operations turn on the backlight regardless of the current EL alarm settings To turn the EL alarm on and off In the Timekeeping Mode hold down for about two seconds to toggle the EL alarm on 48 indicator displayed and off 8 indicator not displayed e When the EL al
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