Casio Watch 1949 User Manual

1949-1  
Module No. 1949  
GENERAL GUIDE  
Press C to change from mode to mode.  
After you perform an operation in any mode, pressing C returns to the Timekeeping Mode.  
If you do not press any button for a few minutes while making settings in any mode (indicated when settings are flashing), the watch automatically clears the setting screen (settings stop  
flashing) and returns to the normal display for the mode you are in.  
This watch returns to the Timekeeping Mode whenever you hold down the Cbutton for one or two seconds. If you ever lose track of what mode you are in or what you should do next,  
hold down C to return to normal timekeeping.  
In any mode press Lto illuminate the display.  
Timekeeping Mode  
Countdown Alarm Mode  
Stopwatch Mode  
Alarm Mode  
Dual Time Mode  
The auto light switch indicator is shown on the display in all modes while the auto  
light switch function is on.  
In order to protect against running down the battery, the auto light switch function is  
automatically turned off approximately three hours after you turn it on. Repeat the  
above procedure to turn the auto light switch function back on if you want.  
Pressing L while in the Timekeeping Mode illuminates the display, regardless of  
the auto light switch’s on/off setting.  
TIMEKEEPING MODE  
PM indicator  
Day of week  
To set the time and date  
1. Hold down A while in the Timekeeping Mode until the  
seconds digits flash on the display because they are  
selected.  
2. Press C to change the selection in the following se-  
quence.  
Month - Day  
Caution  
The backlight of this watch employs an electro-luminescent (EL) light, which loses  
Seconds  
Hour  
Minutes  
12/24-Hour Format  
Month  
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 is be-  
cause the EL light vibrates slightly when lit. It does not indicate malfunction of the  
watch.  
Warning!  
Day of week  
Day  
Never try to read your watch when mountain climbing or hiking in areas that  
are dark or in areas with poor footing. Doing so is dangerous and can result  
in serious personal injury.  
Hour  
Seconds  
Minutes  
Never try to read your watch when running where there is the danger of acci-  
dents, especially in locations where there might be vehicular or pedestrian  
traffic. Doing so is dangerous and can result in serious personal injury.  
Never try to read your watch when riding on a bicycle or when operating a  
motorcycle or any other motor vehicle. Doing so is dangerous and can result  
in a traffic accident and serious personal injury.  
When you are wearing the watch, make sure that its auto light switch function  
is turned off before riding on a bicycle or operating a motorcycle or any other  
motor vehicle.  
3. While the seconds digits are selected (flashing), press D to reset the seconds to  
00. If you press Dwhile 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.  
4. While any other digits (beside seconds) are selected (flashing), press D to in-  
crease the number or B to decrease it. While the 12/24-hour format setting is  
selected, press D or B to toggle it between 12 and 24. While the day of the week  
is selected (flashing), press D to advance to the next day or B to return to the  
previous day.  
Sudden and unintended operation of the auto light switch can create a dis-  
traction, which can result in a traffic accident and serious personal injury.  
Except for when adjusting the seconds or setting the 12/24-hour format, holding  
down a button changes the current selection at high speed.  
When the 12-hour format is selected, the indicator P appears on the display to  
indicate “P.M.” times. There is no indicator for “A.M.” times.  
When the 24-hour format is selected, the indicator 24 appears on the display.  
5. After you set the time and date, press Ato return to the Timekeeping Mode.  
COUNTDOWN ALARM MODE  
Progress beeper on  
indicator  
The countdown alarm can be set within a range of 1 sec-  
ond to 24 hours. When the countdown reaches zero, an  
alarm sounds for 10 seconds or until you press any but-  
ton.  
Auto repeat on indicator  
Current time  
ABOUT THE BACKLIGHT  
About the Auto Light Switch Function  
To set the countdown start time  
1. Hold down Awhile in the Countdown Alarm Mode. The  
hours digits flash on the display because they are se-  
lected.  
2. Press C to change the selection in the following se-  
quence.  
When the auto light switch function is turned on, the backlight automatically turns on  
for two seconds under the conditions described below. Avoid wearing the watch on  
the inside of your wrist. Doing so causes the auto light switch to operate when not  
needed, which shortens battery life.  
Moving the watch to a position that is parallel to the ground and then tilting it  
towards you approximately 40 degrees causes the backlight to illuminate.  
Hour  
Minutes  
Seconds  
1/10  
Minutes  
Seconds  
Seconds  
Mode indicator  
Parallel to ground  
40°  
3. Press Dto increase the selected number or Bto decrease it. Holding down either  
button changes the selection at high speed.  
Press Dand Bat the same time to clear the starting time to 0:00' 00".  
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 twice to return to the Countdown  
Alarm Mode.  
The backlight may not illuminate if the face of the watch is more than 15 degrees off  
parallel to the left or right. Make sure that the back of your hand is parallel to the  
ground.  
Parallel to ground  
More than 15 degrees too  
high  
More than 15 degrees  
too low  
To use the countdown alarm  
1. Press D while in the Countdown Alarm Mode to start the countdown alarm.  
2. Press D again to stop the countdown alarm.  
You can resume countdown alarm operation by pressing D.  
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. Count-  
down timing stops and the countdown time is automatically reset to its starting  
value after the alarm stops.  
Static electricity or magnetic force can interfere with proper operation of the auto  
backlight function. If the auto backlight does not illuminate, try moving the watch  
back to the starting position (parallel with the ground) and then tilt it back toward  
you again. If this does not work, drop your arm all the way down so it hangs at your  
side, and then bring it back up again.  
Under certain conditions the backlight may not light until about one second or less  
after turning the face of the watch towards you. This does not necessarily indicate  
malfunction of the backlight.  
To switch auto repeat timing and the progress beeper on and off  
1. Hold down A while in the Countdown Alarm Mode. The hour digits flash on the  
display because they are selected. Press Aagain to move the flashing to the auto  
repeat ON/OFF setting.  
2. Press D or B to toggle auto repeat on ( ) and off.  
3. Press C to move the flashing to the progress beeper ON/OFF setting.  
To switch the auto light switch function on and off  
In the Timekeeping Mode, hold down Bfor one or two seconds to turn the auto light  
switch function on and off.  
4. Press D or B to toggle the progress beeper on (  
5. Press A to return to the Countdown Alarm Mode.  
) and off.  
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 D and manually reset to the start time by pressing B.  
If you set a starting time of 10 seconds or less and have Auto Repeat turned on, the  
countdown alarm tone (which normally sounds for 10 seconds) sounds for only one  
second.  
Auto light switch  
indicator  
Hold down B.  
When the progress beeper is turned on, the watch beeps as the countdown time  
passes the 10, 5, 4, 3, 2, and 1-minute marks, and the 50, 40, 30, 20, 10, 5, 4, 3, 2,  
and 1-second marks.  
ON  
OFF  
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