*POWER SUPPLY

*POWER SUPPLY

English

CITIZEN model SDC-740N is a dual-powered (high power solar +

back-up battery) calculator operative under any lighting conditions. -Auto power-off function-

The calculator switches the power off automatically if there has been no key entry for about 7 minutes.

-Battery change-

If the back-up battery needs to be changed, open the lower cabinet to remove the old battery and insert a new battery in the indicated polarity. After changing battery, please use a metal, elliptical object to press the RESET pad on printed circuit board.

-Reset operation-

If the calculator is lock and further key operations becomes impossible, please press the center on [MC] & [=] at the same time to release the condition. It will return all setting to default setting.

*KEY INDEX

English

[ ONC ] : Power on / Clear key.

[MU] : Price Mark-up/down key

[00t0] : Shift-back key.

[M–] : Memory minus key.

[ ] : Square root key.

[MR] : Memory recall key

[CE] : Clear entry key.

[M+] : Memory plus key.

[+ / –] : ±Sign change key

[MC] : Memory clear key.

[MII+] [MII–] [MII RC ] : The Second Memory Key

A 0 2 3 4 F

Decimal place selection switch

 

 

 

– F –

 

Floating decimal mode

– 0 – 2 – 3 – 4 – Fixed decimal mode

– A –

 

ADD–mode automatically enters the monetary

 

 

 

decimal in addition and subtraction calculations

5/4

Round-up / Round-off / Round-down switch

 

 

 

The

 

Signs Of The Display Mean The Following:

MIThe first memory loaded.

Minus ( or negative)

MIIThe second memory loaded.

EOverflow-error.

*OPERATION EXAMPLES

English

1.Calculation Examples

 

 

 

Before performing each calculation, press the [ ON ] key.

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

Example

Key operation

Display

A 0 2 3 4 F 1 x 2 x 3 = 6

[ ON ]

0.

 

 

 

 

 

 

 

 

 

 

C

6.

 

 

 

 

 

 

 

 

 

1

[x] 2 [x] 3 [=]

 

 

 

 

 

 

 

 

 

[ ONC ]

0.

 

 

 

2 x 3 = 6

2

[x] 2 [CE] 3 [=]

6.

2 + 4 + 6 = 12

2

[+] 3 [+] 6 [ ONC ]

0.

 

 

 

 

 

 

 

 

 

2

[+] 4 [+] 6 [=]

12.

 

 

 

1234 x 100

12345 [00t0]

1'234.

= 123,400

[x] 100 [=]

123'400.

 

 

 

5 x 3 ÷ 0.2 = 75

5

[x] 3 [÷] 0.2 [=]

75.

 

 

 

300 x 27% = 81

300 [x] 27 [%]

81.

 

 

 

 

11.2

 

x 100% = 20%

11.2 [÷] 56 [%]

20.

56

 

 

 

 

 

 

 

 

 

30 + (30 x 40%) = 42

30 [+] 40 [%]

42.

 

 

 

30 – (30 x 40%) = 18

30 [–] 40 [%]

18.

54 = 625

 

5

[x] [=] [=] [=]

625.

 

 

 

 

 

= 12

144 [ ]

12.

144

1

= 0.2

2

[x] 5 [–] 5 [÷] [=]

0.2

 

 

 

 

(2 x 5 - 5)

1 / 25 = 0.04

25 [÷] [=]

0.04

A 0 2 3 4 F $14.90 + $0.35 – $1.45

1490 [+] 35 [–] 145 [+]

 

 

 

+ $12.05 = $25.85

1205 [=]

25.85

2.Memory Calculation

5/4 (12 x 4) – (20 ÷ 2) =

[ ON ]

 

 

38

C

 

 

 

 

 

12

[x] 4 [M+] 20 [÷] 2 [M–]

A 0 2 3 4 F

[MR]

 

 

 

 

[MC] [ ON ]

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

15 x 2 = 30

15

[x] 2 [M+] 20 [x] 3 [M+]

 

 

 

20 x 3 = 60

25

[x] 4 [M+]

 

 

 

25 x 4 = 100

[MR]

 

 

 

(total A = 190)

10

[÷] 5 [MII+] 4 [x] 2 [MII+]

10 ÷ 5 = 2

[MII RC ]

 

 

 

4 x 2 = 8

[MR] [÷]

 

 

 

(total B = 10)

 

 

 

 

 

 

 

 

A ÷ B = 19

[MII RC ]

[=]

[MC][MII RC ][MII RC ][ ONC ]

0.

MI 10. MI 38.

0.

MI 60. MI 100. MI 190.

MI 8.

MII

MI 10.

MII

MI 190.

MII

MI 10.

MII

MI 19.

MII

0.

3.Constant Calculation

5/4

2 + 3 = 5

 

 

 

 

2 [+] 3 [=]

 

5.00

 

 

 

 

4 + 3 = 7

 

 

 

 

4 [=]

 

7.00

 

 

 

 

 

 

 

 

A 0 2 3 4 F

3 x 4.111 = 12.333

3 [x] 4.111 [=]

 

12.34

 

 

 

 

3 x 6 = 18

 

 

 

6 [=]

 

18.00

 

 

 

 

 

 

 

 

4.Overflow Error Clear

 

 

 

 

12345678901234 x 100

123456789012345

E

12'345'678'901'234.

= 1234567890123400

[00t0] [x] 100 [=]

E

12.345678901234

 

 

 

 

 

 

 

 

 

 

 

[ ON ]

 

0.

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

5.PRICE MARK-UP & DOWN CALCULATION

 

A 0 2 3 4 F

200+(P x 20%)=P

 

200 [÷] 20 [MU]

 

250.

 

 

 

 

P=

200

 

= 250

 

[MU]

 

50.

 

 

 

 

 

 

 

 

 

 

1- 20%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250–200 = 50

 

125 [÷] 25 [+/–] [MU]

 

 

 

 

 

125–(P x 20%)=P

 

100.

 

 

 

 

P=

125

 

 

= 100

 

[MU]

 

25.

 

 

 

 

 

1+ 25%

 

 

 

 

 

 

 

 

125–100 = 25

 

 

 

 

6.DELTA PERCENT

 

 

 

 

A 0 2 3 4 F

180 - 150

 

x100% =

180 [–] 150 [MU]

20.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20%

 

 

 

 

 

 

 

File name: D48A_SDC-740N_English_IB_100419

vision : 04/11/04

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Citizen manual Power Supply, Key Index, Operation Examples, File name D48ASDC-740NEnglishIB100419, vision 04/11/04