Casio Watch CA 53W 1CH User Manual

MA1002-EA  
Operation Guide 437/438/3208  
Reading The Display  
Calculator  
Mode  
Daily Alarm Mode Dual Time Mode  
Stopwatch  
Mode  
Regular timekeeping  
Alarm-ON-mark  
P.M.  
Mode indicator  
Calendar  
Time  
Time-signal-ON-mark  
Mode indicator  
P.M.  
Hour  
Day  
Date  
Press  
.
Month  
Year  
Press  
.
Day  
Second  
Minute  
Release  
.
Hour  
Hour  
Minute  
Release  
.
Press  
.
A.M.  
Minute  
Minute  
Second  
Second  
Mode indicator  
1/100 second  
Module No. 437/3208  
SU: Sunday MO: Monday  
TU: Tuesday WE: Wednesday  
TH: Thursday FR: Friday  
SA: Saturday  
Module No. 438  
(Reversion to regular time) The watch reverts to the regular timekeeping display after  
operating in any mode.  
(Auto return feature) The watch will return to the regular timekeeping display  
automatically if you do not perform any operation for five or six minutes in the  
calculator or alarm display.  
Calculator Operation  
Stopwatch Operation  
A signal confirms start/stop operation. The tone sounds at  
10-minute intervals.  
Appears when a number is set as  
a constant.  
A function command sign.  
(Working range) The stopwatch display is limited to 23  
hours 59 minutes 59.99 seconds.  
Perform the four basic  
8-digit entry (7-digit for negatives)  
can be made.  
calculations. An incorrect function  
command is corrected by  
Thereafter it can be reset and started again. The hour  
pressing the correct button.  
digits can be shown by pressing the  
button.  
Enters numerals. For decimal  
places, use the  
logical sequence.  
key in its  
Clears entry for correction.  
Releases overflow or error  
check. Overflow is indicated  
by an “E” sign and stops the  
calculation. Overflow occurs  
when the integer part of an  
answer whether intermediate  
or final, exceeds 8 digits  
Lap indicator  
Module No. 437/3208  
Press  
.
Release  
.
Minute  
Hour  
Second  
1/100 second  
(7 digits for negatives).  
Module No. 437/3208  
Obtains answer.  
Module No. 438  
(a) Elapsed time  
Module No. 438  
EXAMPLE OPERATION READ-OUT  
EXAMPLE  
OPERATION READ-OUT  
×
Basic  
3
4 = 12  
(Time loss)  
Stop  
calculation:  
(4 is constant)  
4
3
Start  
Re-start  
Stop  
Stop  
Reset  
12  
5
(12 – 0.5) × 3 ÷ 7  
3
7
= 4.9285714 ...  
×
÷
÷
=
=
=
8
3
8
4
4
4
32  
0.75  
2
8
4
8
(b) Lap time  
Constant  
3
calculation:  
Start  
Lap  
Lap release  
Stop  
Reset  
Reset  
+
=
3
4
7
(4 is constant)  
4
8
4
8
3
3
(c) Two finishes  
+
=
Power  
calculation:  
32  
8
3
8
4
4
4
12  
Start  
Lap  
Lap release  
= –  
1
3
3
The first runner  
finishes.  
The second runner Record the time of  
finishes.  
the second runner.  
33  
Record the time of  
the first runner.  
=
4
To save battery power, press the B button in the calculator mode to silence the tone.  
To retrieve sound, press the B button again.  
Setting Time And Calendar  
1) To set time and calendar, press B in the regular timekeeping mode.  
2) Press the key on a time signal to correct seconds.  
Setting Daily Alarm Time  
3) Press C to move the flashing in the sequence shown below to select the other  
Every time the  
button is pressed in the alarm time mode, the alarm-ON-mark  
settings.  
(
) appears or disappears. When the alarm-ON-mark is lit, the buzzer sounds for 20  
seconds at the preset time every day until cleared. To stop the buzzer while sounding,  
press any button.  
HOUR  
(tens)  
HOUR  
(ones)  
MINUTE  
(tens)  
SECOND  
AM/PM  
DATE  
(Setting the time signal) Every time the  
button is pressed in the alarm time mode,  
the time-signal-ON-mark ( ) appears or disappears. When the time-signal-ON-mark  
is lit, the watch sounds every hour on the hour.  
MINUTE  
(ones)  
MONTH  
YEAR  
(Sound demonstration) While both  
the buzzer sounds.  
and  
buttons are pressed simultaneously,  
AM or PM can be entered by pressing the  
4) A numeral can be entered in the flashing position by pressing the required numeral  
button.*  
[Presetting alarm time]  
1) Press B to set new alarm time.  
key.  
2) Press  
to set PM or AM.*  
5) Press B to complete setting.  
3) A numeral can be entered in the flashing position by pressing the required numeral  
key. The flashing digit can be shifted in the following order:  
*While setting time and calendar, with every push of  
between 12-hour and 24-hour formats.  
, the display is switched  
HOUR  
(tens)  
HOUR  
(ones)  
MINUTE  
(tens)  
MINUTE  
(ones)  
4) Press B to complete setting.  
* When the watch is in the 24-hour system, the alarm time is displayed in that system.  
Setting Dual Time  
1) Press B to set new time in dual time mode.  
2) Press  
to set PM or AM.*  
3) A numeral can be entered in the flashing position by pressing the required numeral  
key. The flashing digit can be shifted in the following order:  
HOUR  
(tens)  
HOUR  
(ones)  
MINUTE  
(tens)  
MINUTE  
(ones)  
4) Press B to complete setting.  
* When the watch is in the 24-hour system, the dual time is displayed in that system.  
1
 

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