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NK18
nP0
11 of
20K
0
NR10
NK10
N306
n0
1
NR01
NK01
N307
n1
2
NR02
NK02
N308
n2
3
NR03
NK03
N309
n3
4
NR04
NK04
N310
n4
5
NR05
NK05
N311
n5
6
NR06
NK06
N312
n6
7
NR07
NK07
N313
n7
8
NR08
NK08
N303
n8
9
NR09
NK09
N305
n9
DP
NR30
NK30
N321
12
ØD1
2
11 U239
13
KP
U239
3
1
ØD0•B2
5
U239
6
4
Controller / Monitor Unit
(see Notes page)
NORMAL
20K
NR17
N203
MANUAL
NR18
nP0
Use high efficiency
BUSY
LED run at low
620
current (~ 3mA) to
minimise drain on
source.
NR44
Ø
NR45
nØD0
NR43
XØENB
NR19
TEST
X
POINTS
NR27
nOP
NR42
ASUM16
NR29
Facit 1123 Calculator
Section: Keyboard & OP Flag
Page: 5
Rendition: 2020 Oct 9
12
n1
8
11
n3
10
U329
U318
9
13
10
n5
5
9
N326
n7
U318
6
4
n9
9
N324
n2
11
n3
N322
10
U319
13
n6
12
n7
N320
5
n4
4
n5
3
U319
6
n6
2
n7
2
n8
U318
3
1
n9
1
2
n0
12
n2
11
n4
U310
6
8
n6
11
5
n8
U317
4
12
n9
3
11
3
U328
12
13
U328
2
1
R0+R1
13
nKCLR
J
Q
3
8
8
12
U238
6
U239
U237
11
9
10
9
K
nQ
5
8
nC
2
J
Q
9
5
1
ØD0•B2
U238
6
10
U242
K
nQ
9
nC
8
6
nMANUAL
3
2 U253
1
nP0
9
ØB1p
8 U236
11
2
ØD0
12 U236
U236
3
12
13
1
OP
9
ØB48
U246
10
ØB24
11
Øp
12
Øp
10
ØD0•B2
U256
11
OP
12
5
Øp
11
nØD14
U232
U266
6
4
10
nOP
5
3
U256
5962
4
5
4 U266
5962
3
CL
NR36
NK36
CE
NR37
NK37
N227
K1
RC
NR35
NK35
N225
K2
to
=
N223
X Register
NR33
NK33
K4
N221
–
K8
NR34
NK34
×
NR31
NK31
÷
NR32
NK32
M+
NR38
NK38
M–
NR39
NK39
KN
MR
NR??
NK??
nKN
13
MC
NR??
NK??
OP
4
nP
nOP
5
N215
N316
11
NR27
U355
OP
12
13
DISP to Display Latch
N205
N137
DISP to Timing (clock rate)
N304
DISP to Keyboard
5
N249
N360
6 U236
OP•ØD0•B1p
10
4
12
11 U245
OP•ØD0•B4p
13
13
N256
N366
N263
N365
n(OP•ØD0•B2p)
13
8
N246
N342
9 U257
nOP•ØD14p
13
10
6
6
11 of
N335
20K
N211
N331
nCE
nA
nZA
N329
nRC
N330
nA
nS
N332
nZS
nS
nM
N333
nM
N319
nD
N315
nD
nZA
8
5
nM
U328
U328
N317
9
6
10
4
nZS
nD
N323
nZR
3
N327
OP•ØD0•B4p
nZC
2
R1
U323
1
4
KF
nCE
nA
nS
9
OP•ØD0•B1p
U325
8
10
S11•nQ
5
nZA
U354
6
9
4
nZS
8 U354
10
OP•ØD0•B4p
nRC
nZR
nZC
4
nA
5
nS
2
U329
6
nZA
11
3
nZS
U318
12
13
nCE
nRC
nZR
nZC
DISP
nKCLR
nKCLR
5
8
U316
A
9
6
2
4
U316
1
3
12
U327
M
11
13
8
U327
D
9
10
nKMD
3
U324
C
2
1
12
10
U323
nC
11
13
nKCLR
11
12
4
3
U314
N
2
8
5
nKCLR
6
1
3
4
U359
nN
1
2
nKRC
nKZR
nKZC
KF
12
5
4
2
N314
N213
U326
KP to OP
3
8
1
11
1
6
×
÷
NK43
NK45
N325
N328
2.2K
M
2.2K
10K
D
2.2K
C
10K
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