Casio Watch 1940 1 User Manual

Module No. 1940  
1940-1  
ABOUT THIS MANUAL  
Button operations are indicated using the letters shown in the illustration.  
Each section of this manual provides you with the information you need to perform operations in each mode. Further details and technical information can  
A
B
be found in the “REFERENCE” section.  
P
C
D
E
GENERAL GUIDE  
Press C to change from mode to mode.  
In any mode, press B to illuminate the display.  
Timekeeping Mode  
BPM Mode  
Beat Mode  
Countdown Alarm Mode  
A
B
Press C.  
BEEP  
BEEP  
P
MIN  
SEC  
C
D
Alarm Mode  
Stopwatch Mode  
E
P
TIMEKEEPING MODE  
BPM MODE  
In addition to normal timekeeping, use the Timekeeping Mode to set the current time  
and date.  
The BPM Mode makes it easy to count the number of  
beats per minute and determine the tempo of music and  
any other rhythmical process.  
Mode indicator  
A
B
The letters “BPM” stand for “beats per minute” in this  
Calibrating the Seconds Count  
manual.  
Use the following procedure to calibrate the seconds count  
on a time signal from a radio, TV, or other source.  
BEEP  
The same BPM value is used by the BPM Mode and  
the Beat Mode.  
A
B
1. In the Timekeeping Mode, hold down A until the  
seconds digits start to flash on the display.  
C
D
Counting Beats  
P
E
2. Press D to set the seconds count to 00 when the  
1. In the BPM Mode, press D to toggle between BEEP  
(BEEP indicator displayed) and LIGHT (LIGHT indicator  
displayed) as the button confirmation operation.  
BEEP causes the watch to beep each time you press  
E in the step 2 below, while LIGHT causes the backlight  
to flash when E is pressed.  
time signal you are calibrating to sounds.  
BPM value  
C
D
Pressing D while the seconds count is in the range of  
30 to 59 resets the seconds to 00 and adds 1 to the  
minutes. If the seconds count is in the range of 00 to  
29, the minutes count is unchanged.  
BEEP indicator  
E
3. Press A to return to the current time display.  
2. Press E five times in accordance with the beat of the music or rhythm.  
Each press of E causes the number of beats in the upper part of the display to cycle  
in the following sequence:  
1 2 3 4 x  
3. After you press E the fifth time, the watch calculates an average number of beats per  
minute and displays the applicable BPM value.  
The BPM value is stored in memory. You can use the BPM value to perform a beat  
operation using the procedure under “Performing a Beat Operation”.  
If you selected LIGHT in step 1, the backlight lights after step 3 for about two seconds  
to indicate that the BPM value is stored in memory.  
Setting the Current Time and Date  
1. In the Timekeeping Mode, hold down A until the  
Day of week Month – Day  
seconds digits start to flash on the display.  
The seconds digits are flashing because they are  
selected.  
A
B
2. Press C to move the flashing in the sequence shown  
below to select other digits and settings.  
P
12/24-Hour  
Format  
Minutes  
Seconds  
Hour  
C
D
See “BPM Mode Notes” for more important information about the BPM value.  
E
BEAT MODE  
Day  
Month  
Year  
Hour : Minutes  
PM indicator  
The Beat Mode can be used to produce an audible signal  
or flashing backlight in accordance with BPM value, which  
is like a digital metronome that can be used for a variety  
of different musical applications.  
Beats per  
measure  
Seconds  
Mode indicator  
3. While hour, minutes, year, month, or day is selected (flashing), press D to increase  
the setting or B to decrease it.  
A
B
When the 12/24-hour setting is selected, use D to toggle between 12-hour (12H)  
The same BPM value is used by the BPM Mode and  
the Beat Mode.  
and 24-hour (24H) timekeeping.  
BEEP  
4. After the time and date are set the way you want them, press A to return to the  
current time screen.  
Performing a Beat Operation  
1. In the Beat Mode, press D to toggle between BEEP  
(audible signal) and LIGHT (flashing backlight) as the  
beat operation type.  
BEEP (BEEP indicator displayed) causes the watch to  
beep for each beat, while LIGHT (LIGHT indicator  
displayed) causes the backlight to flash.  
C
D
Notes  
E
When 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 24-hour format causes the 24 indicator to appear on the display.  
The year can be set in the range of 1995 to 2039.  
The day of the week is automatically displayed in accordance with the month and day  
setting.  
The watch’s built-in full automatic calendar automatically make allowances for different  
month lengths and leap years. Once you set the date, there should be no reason to  
change it except after the replacement of the watch’s battery.  
BPM value  
BEEP indicator  
2. Press E to perform the selected beat operation at the speed indicated by the BPM value.  
The higher the BPM value, the faster the beat.  
The beat operation continues for one minute or until you press E again.  
When you select BEEP in step 1, the beat operation is performed in accordance with the  
number of beats per measure you specify under “Changing BPM Settings Manually” below.  
Changing BPM Settings Manually  
1. In the Beat Mode, hold down A until the BPM value  
starts to flash.  
Beats per measure  
2. Press D to increase the BPM value or B to decrease it.  
You can set the BPM value within a range of 60 to 200.  
Pressing B and D at the same time changes the BPM  
value to its standard setting of 120.  
3. Press C, and the beats per measure value starts to flash.  
4. Press D to increase the number of beats per measure  
and B to decrease it.  
A
C
B
BEEP  
D
E
You can set the number of beats per measure within a  
range of 1 to 8.  
BPM value  
5. After the BPM and number of beats per measure values are the way you want, press  
A to return to the initial Beat Mode screen.  
 

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