Casio CA-53W-1CH User Manual

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Casio CA-53W-1CH User Manual

MA1002-EA

Operation Guide 437/438/3208

Reading The Display

Calculator

Daily Alarm Mode Dual Time Mode

Stopwatch

 

Mode

 

Mode

 

 

 

Regular timekeeping

 

 

Alarm-ON-mark

P.M.

 

Calendar

 

 

Time

 

 

 

 

 

 

 

 

 

Month

Day

Date

Hour

P.M.

Press

Time-signal-ON-mark

Mode indicator

Mode indicator

 

.

 

 

 

 

 

 

 

Press

Day

.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year

 

 

 

 

Second

 

 

 

 

 

Release

Press

Release

.

Minute

 

Hour

 

Hour

Minute

 

 

 

 

 

 

 

 

.

 

.

 

 

 

 

A.M.

Minute

Minute

Second

 

 

 

 

 

 

 

Mode indicator

Second

1/100 second

 

 

 

 

Module No. 437/3208

 

 

 

 

 

 

 

 

Module No. 438

MO: Monday

 

(Reversion to regular time) The watch reverts to the regular timekeeping display after

 

 

 

 

SU: Sunday

 

operating in any mode.

 

 

 

 

 

 

 

TU: Tuesday

WE: Wednesday

 

 

 

 

 

 

 

 

TH: Thursday

FR: Friday

 

(Auto return feature) The watch will return to the regular timekeeping display

 

 

 

 

SA: Saturday

 

 

automatically if you do not perform any operation for five or six minutes in the

 

 

 

 

 

 

 

calculator or alarm display.

 

 

 

Calculator Operation

Appears when a number is set as

A function command sign.

a constant.

 

Perform the four basic

 

 

8-digit entry (7-digit for negatives)

calculations. An incorrect function

can be made.

 

command is corrected by

Enters numerals. For decimal

pressing the correct button.

 

places, use the

key in its

Clears entry for correction.

logical sequence.

 

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

 

Module No. 437/3208

(7 digits for negatives).

 

 

Obtains answer.

Module No. 438

 

EXAMPLE

OPERATION READ-OUT

Basic

 

 

calculation:

 

 

(12 – 0.5) × 3 ÷ 7 12

5

= 4.9285714 ...

3

7

Constant

 

 

calculation:

 

 

3

+ 4

= 7

 

 

(4 is constant)

4

3

8

+ 4

= 12

8

 

3

– 4

= –1

4

3

8

– 4

= 4

8

 

 

EXAMPLE

OPERATION READ-OUT

3

× 4 = 12

 

 

(4 is constant)

4

3

8

× 4 = 32

8

 

3

÷ 4 = 0.75

4

3

8

÷ 4 = 2

8

 

Power

 

 

calculation:

 

 

32

3

 

33

3

 

To save battery power, press the B button in the calculator mode to silence the tone. To retrieve sound, press the B button again.

Stopwatch Operation

 

A signal confirms start/stop operation. The tone sounds at

 

10-minute intervals.

 

 

 

 

(Working range) The stopwatch display is limited to 23

 

hours 59 minutes 59.99 seconds.

 

 

 

Thereafter it can be reset and started again. The hour

 

digits can be shown by pressing the

button.

 

Module No. 437/3208

Lap indicator

.

 

 

Press

 

 

 

 

Release

.

 

 

Minute

 

 

Hour

 

 

 

Second

 

 

 

 

 

1/100 second

 

 

 

Module No. 438

 

 

 

 

(a) Elapsed time

 

 

 

 

 

 

(Time loss)

 

 

 

 

Start

Stop

Re-start

Stop

 

Reset

(b) Lap time

 

 

 

 

 

Start

Lap

Lap release

Stop

 

Reset

(c) Two finishes

 

 

 

 

 

Start

Lap

Stop

Lap release

Reset

 

The first runner

The second runner

Record the time of

 

 

finishes.

finishes.

the second runner.

 

 

 

Record the time of

 

 

 

 

 

the first runner.

 

 

 

Setting Daily Alarm Time

Every time the button is pressed in the alarm time mode, the alarm-ON-mark

( ) 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.

(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.

(Sound demonstration) While both

and

buttons are pressed simultaneously,

the buzzer sounds.

 

 

[Presetting alarm time]

 

 

1)

Press Bto set new alarm time.

 

 

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

HOUR

MINUTE

MINUTE

 

 

(tens)

(ones)

(tens)

(ones)

4)

Press Bto complete setting.

 

 

* When the watch is in the 24-hour system, the alarm time is displayed in that system.

Setting Time And Calendar

1)To set time and calendar, press Bin the regular timekeeping mode.

2)Press the key on a time signal to correct seconds.

3)Press Cto move the flashing in the sequence shown below to select the other settings.

SECOND

AM/PM

HOUR

HOUR

MINUTE

(tens)

(ones)

(tens)

 

 

 

DATE

MONTH

YEAR

MINUTE

 

(ones)

 

 

 

 

AM or PM can be entered by pressing the button.*

4)A numeral can be entered in the flashing position by pressing the required numeral key.

5)Press Bto complete setting.

*While setting time and calendar, with every push of , the display is switched between 12-hour and 24-hour formats.

Setting Dual Time

1) Press Bto 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

HOUR

MINUTE

MINUTE

 

 

(tens)

(ones)

(tens)

(ones)

4)

Press Bto complete setting.

 

 

* When the watch is in the 24-hour system, the dual time is displayed in that system.

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