Справочник Пользователя для Citizen Systems SDC-805BN
File name: SDC-805BN_English_20100105 version : 10/01/05
* POWER SUPPLY
English
CITIZEN model SDC-805BN 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.
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.
* KEY INDEX
English
[ON/C] : Power on / Clear key. [CE] : Clear entry key.
[+/–] : ±Sign change key. [M+] : Memory plus key.
[M–] : Memory minus key. [MRC] : Memory recall / clear key.
[
[
] : Square root key.
The Signs Of The Display Mean The Following:
M：Memory. –：Minus ( or negative ).
M：Memory. –：Minus ( or negative ).
E：Overflow-error.
* OPERATION EXAMPLES
English
1.Calculation Examples
Before performing each calculation, press the [ON/C] key.
Before performing each calculation, press the [ON/C] key.
Example Key
operation
Display
2 x 3 = 6
2 [x] 3 [=]
6.
7 x 9 = 63
7 [
÷] [x] 9 [=]
63.
300 x 27% = 81
300 [x] 27 [%]
81.
56
11.2
x 100% = 20%
11.2 [
÷] 56 [%]
20.
300+(300 x 40%)=420
300 [+] 40 [%]
420.
300–(300 x 40%)=180
300 [–] 40 [%]
180.
1400 x 12% = 168
1400 [x] 12 [%]
168.
6 + 4 + 7.5 = 17.5
6 [+] 4 [+] 7.5 [=]
17.5
5 x 3
÷ 0.2 = 75
5 [x] 3 [
÷] 0.2 [=]
75.
8
÷ 4 x 3.7 + 9 =16.4
8 [
÷] 4 [x] 3.7 [+] 9 [=]
16.4
5
4
= 625
5 [x] [=] [=] [=]
625.
1 / 2 = 0.5
2 [÷] [=]
0.5
10)
3
x
(2
1
+
= 0.0625
2 [x] 3 [+] 10 [
÷] [=]
0.0625
144 = 12
144 [
]
12.
2.Memory Calculation
[MRC] [MRC] [ON/C]
0.
12 [x] 4 [M+] 20 [
÷] 2 [M–]
M
10.
[MRC]
M
38.
(12 x 4) – (20
÷ 2) = 38
[MRC]
[ON/C]
0.
3.Constant Calculation
2 + 4 = 6
2 [+] 4 [=]
6.
6 + 4 = 10
6 [=]
10.
7– 5 = 2
7 [–] 5 [=]
2.
15 – 5 = 10
15 [=]
10.
3 x 4 = 12
3 [x] 4 [=]
12.
3 x 6 = 18
6 [=]
18.
10
÷ 5 = 2
10 [
÷] 5 [=]
2.
15
÷ 5 = 3
15 [=]
3.
4.Overflow Error Clear
12345678
12’345’678.
[x] 100 [=]
E
12.345678
12345678 x 100
= 1234567800
[ON/C]
0.