Citizen Systems SDC-640II manual Power Supply, KEY Index, English, Operation Examples

* POWER SUPPLY English

CITIZEN model SDC-640II 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 6 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.

*KEY INDEX

English

[ ONC ] : Power on / Clear key.			[CE] : Clear entry.
[00t0] : Shift-back key.			[M+] : Memory plus key.
[M–] : Memory minus key.			[+ / –] : ±Sign change key
[MR] : Memory recall key			[MC] :Memory clear key.
[MU] : Price Mark-up/down key
[MII+] [MII–] [MII RC ] : The Second Memory Key
		Decimal place selection switch
– F –		Floating decimal mode
– 0 – 2 – 3 – 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:
MEMORY:The first memory loaded.			–MINUS:Minus ( or negative)

MEMORYII:The second memory loaded. ERROR:Overflow-error.

*OPERATION EXAMPLES

English

1.Calculation Examples
Before performing each calculation, press the [ ON ] key.
							C
		Example				Key operation		Display
5/4		1 x 2 x 3 = 6				[ ONC ]		0.
						1	[x] 2 [x] 3 [=]	6.
						[ 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.
		$14.90 + $0.35 – $1.45				1490 [+] 35 [–] 145 [+]
5/4	+ $12.05 = $25.85					1205 [=]		25.85
		1 / 30 = 0.0333….				30 [⎟] [=]		0.03
			1		= 0.166….	2	[x] 5 [–] 4 [⎟] [=]	0.16
			(2 x 5 - 4)

2.Memory Calculation

5/4 (12 x 4) – (20⎟ 2) = 38

15 x 2 = 30

20 x 3 = 60

25 x 4 = 100 (total A = 190) 10 ⎟ 5 = 2

4 x 2 = 8 (total B = 10) A ⎟ B = 19

[ ONC ]

12[x] 4 [M+] 20 [⎟] 2 [M–] [MR]

[MC] [CE]

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

25[x] 4 [M+] [MR]

10[⎟] 5 [MII+] 4 [x] 2 [MII+] [MII RC ]

[MR] [⎟] [MII RC ] [=]

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

MEMORY

MEMORY

MEMORY

MEMORY

MEMORY

MEMORY MEMORY II MEMORY MEMORY II

MEMORY MEMORY II MEMORY MEMORY II MEMORY MEMORY II

0.

10.

38.

0.

60.

100.

190.

8.

10.

190.

10.

19.

0.

3.Constant Calculation

5/4	2 + 3 = 5	2	[+] 3 [=]	5.00
	4 + 3 = 7	4	[=]	7.00
	3 x 4.111 = 12.333	3	[x] 4.111 [=]	12.34
	3 x 6 = 18	6	[=]	18.00

4.Overflow Error Clear

12345678901234						123456789012345			ERROR	12’345’678’901’234
x 100						[00t0] [x] 100 [=]			ERROR	12.345678901234
= 1234567890123400						[	ON	]		0.
							C
5.PRICE MARK-UP & DOWN CALCULATION
5/4	200+(P x 20%)=P							200 [⎟] 20 [MU]		250.
	P=	200		= 250				[MU]		50.
		1- 20%
	250–200 = 50							125 [⎟] 25 [+/–] [MU]		100.
	125–(P x 20%)=P
	P=	125			= 100			[MU]		25.
			1+ 25%
	125–100 = 25
6.DELTA PERCENT								180 [–] 150 [MU]		20.
5/4	180 - 150			x100%
		150
	= 20%

File name: D494_IB_English_081919.doc	Date : 2008/9/19
Size : 250x72mm(成型 : 125x72mm)