GE TermiNet 300 Programmer's Manual page 5
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Also See for TermiNet 300:
- Operator's manual (36 pages) ,
- Beginner's manual (16 pages) ,
- Beginner's manual (16 pages)
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KlYBOAHD
"If
MOST OF THl".
Kr:Y~
C;ENEI{ATE HI
r
PAH-
AI.I.EL ASCII
l"ODE~.
"ilL
lJTHEHS HAVE
SfT;l;U'. !.I;>:ES.
ALL 0:-;
Bn~
CONSIST OF
CO;;T[l'UOCS pU,SES.
KEY UPEHA TION
(I (J-'ES THE CORE
or-
A MIN1Al"t:RE TRANS-
Fom,IER WITH SECONDARY COILS WHICH
MAKE UP THE CODE.
rAPE RE:ADEH
HEADS C BIT CODE')'Pc-:\CHTfl TAPE .-\;-;D
PHOVIDES THE COOL' A:; U);!C Li-:Vl-:LS ['.
PARALLEL FOH\i.
LSES
LI;~HT St:~SING.
IS OPERATED
.-1-:- 1'1. Ie.
OR 38 CHARAC-
TlCRS PER SECO;;D.
OPF:I(Af\LE AT 150
CHARACTERS PER 'ECO;;D.
R&P
PLr:-;CH CONTHOL
CSES RECEIVED PARALLEL CODES TO CON-
THOL WHICH HOLES AEE TO BE PUNCHED.
PUSHBI.iTTONS OR CODES CONTROL START
UH
STOP.
PUNCH Al'D ADVANCE CYCLE
AilE INITIATED BY
s-p
COt>;VERTER AND
['O'lTROLLED Ill' SYSTEM CLOCK.
1'l'!'CHES COD,: \',-U SPROc:v.T HOLES A'lD
\r)VA'.;CES
Tf'E
T.\PF
IW SCJI.E'.;OID ACTION
\,' C:O\I\I."-'DED RY THE C(J;;TROL.
THE
f..\PE IS PL"'1CHF:D W1TH CROSSW1SF. HOWS.
EACH ROW IS A CO",1 DINA TION OF HOLES
A~D]\iO
HOLES WHICH DESIGNATES A CHAH-
AC"TER OR CONTROL CODE.
!luI"
A
SERIAL
Ef.',:,
EACH PHI'iT CCI.·
ATED Of( HHE'·.
r.,1
' 1 All
pOSITIO!'S fC: '.1':':Ul"
PHlNT POS'TfO\ TO
I~
r '.'
CLEAl( THE \IE\IOHY .
.,:
I'IJRELY U .. t.CfFlU'::
c..n
H ilJ
...
-,.
KEYBOARD BUFFER
THE
PULSED-KEYBOARD SIGNALS AilE CON-
n:fnED TO D. C. LOGIC LEVELS.
SHfFT,
CONTHOL. REPEAT AND ESCAPE KEYS AND
(JPU{ATOH SET SWITCHES MODIFY THE
CODl-:S.
ESCAPE AND AUTO LINE FEED
(ODES AHI-: INSEHTED AS COMMANDED.
HEADER CONTROL
R&p
PROVIDES STAin. STOP, REVERSE . .
ILND
.:DITING FI:ATURES SUCH AS READ NEXT
CHAHACTER. WORD. OR LINE; OMIT NEXT
CHAHACTER. WORD, OR LINE; SKIP DE-
LETES: AND BACKSPACE.
CLOCK
CLl'
CRYSTAL SOC"RCE WHICH IS REDUCED
~
nU:QUENCY WITH FLIP- FLOPS, EACH OF
WHICH D1VIlJES BY 2_
IT SYNCHRONIZES
I"IlE 1'-$ ('Ol'VERTER AND THE S-P CON-
VEHn:l( AT THE PROPER RATES.
ALSO
I'EOVIDES SYSTEM CLOCK SIGNALS.
MEM
COLUMN COUNTER
STORES TliE NUMBER OF THE COLUMN
WHERE THE NEXT CHARACTEH IS TO IlE
PHINTED.
r,;ACH SUCCESSIVE I'HINTABIE
CHARACTER OH SPACE I!'CREASES THE
COUNT BY ONE.
1I0HILOGTAL TAB COM-
MAl'D INCREASES THE COUNT TO THAT OF
THE NEXT TAB SET.
y
....
...
[
P. :..;, (ONVERTEH
HECEIVES THF' PAHAl.LEL CODES AND sup-
PLIES THE SAMf.: BIT:; SEHIALLY OVER A
SINGl.E LINE f"HAMI'I) RY START AND STOP
BITS.
RATE SEl.EC r()f( PERMITS CHOICE
OF TMNSMITTINL
1l·\[[1l
fl.~TE
TO MATCH
HECEIVEH.
1
...
. .
Intnlllt Prlllt 0 - - - -
NOlU.1AI.
~-'?O-
Inhibit T r an!";
~
0--------------
miSSIOn
, - - - - ' -
SI·.H.IALI(} !'AHAI.LEL CONVERTER
SPC
( (JI)i:.-;
~\nF
Jlf:fFlyY'flTl"rSEI1IAL FORM
FHml EITllEH TliE I'-S U)1';\"ERTF:H OR
I f(()\1
TilE DATASET AND REC01';VEHTED
f()
l'AHALLEL '"OHM HlH PUNCHING TAPE
(If(
[Of( pnINTIN(
i.
..
\lEM
llI.-\II.·\(TEH MEMCJHY
HECFIVt:" PfllC'iT . . \IlI
F,
('lIAn\CTEH CODES
IN PAHAI.Ul
A'W
m:CIIUTLATES THF\1
r---1
SEHIAI.I.Y [Hlir)(
;I{.\
G4-~L\GE
SHIFT
HECiISTFH.
WlIF\ l"llt
[UHHFSPO>;llf~C
PHI"T
n:iU:H
.-Ilmil t:i ,\'r THE PHOPEH
PHINT
COI.U~I:;.
[HI-. (l!AfL\Cn:H IS
PIUNTED AND
1"111·: ('( JIll'
I,i
FH·\.'ED
FHO\1
MEMORY.
L
____
~_.
_ _ _ _ _ _ _ _ _ _ ---'
...
L - _ _ _ _ + _ _
----'
.---
---_.-+--
--,
L - -
COLUMN MEMORY
MEM
STORES COl,{fli<fN N\)MHER.S ASSOCIATED
WlTll EACH CI!Al!ACTER PUT
rN
MEMORY.
IHIS 'iUMflEH m:n:RMINES WHERE THE
("!i.'JL\CTEH WILL IlE PRINTED.
THE COL-
I·~.l:;
\IEMOH Y AND CHARACTER MF.MORY
lm~TLATE
IN SYNCHRONISM. ERASUHE IS
'.( (rY,IPLISlIF:D I3Y WHITING OVER.
~
-J
Fig. 3.
Block diagram
.ANSlliERBA<.:K
.\>;.C;
PRF.SSING A hu'ri"Ol\-ClHI1ECEIPl ()F
j\"
ENQ CODE CAUSES TIllS UNIT TO I'HOVIf)c
UP TO 20 CHARACTEH CODES FOR A PHE
PROGRAMMED MESSAGE
~[JCli
AS ::iTATlU!'
IDENTIFICATION.
ENQ IS A C01';Tf{AC
no>;
OF ENQunw OR "WHO ARE YOU')"
....
...
1
I
f
IlX Ii!>X (,.-\
fE,
SPC
f---
I
~.
(.,1
I--
....
...
.\ EECUVUl !-l'U llt:I'LEX .SIMULTA!'E-
OUS
"END
A~[)
HE( FIVE( COD,: DISCON-
NECTS THE I'-S C()!'VEI1TEE FROM THE S-P
CONVERTER.
., HE:CEIVED HALF DUPLEX
CODE REMAKl-:S TilE CON!'ECTION.
TIll,
SELECTOR sWlTCH MAKES. DISCONNECTS
AS INDICATED.
( (lIH,S
. .
...
-'"
....
---y
COMpAHE
SPC
COMPARES THE:
ADDED
blrTPUT TO COIN·
CIDENT CHARACTERS IN MEMORY.
IF TilE
TWO NUMBERS ARE EQUAL. A SIGNAl. IS
STORED TO OPEHA TE THE
P~OPER
HAM
MER.
ALL CHARACTERS IN MEMORY Am:
COMPARED TO c\LI. CORRESPONDING
ADDER Ot;TPCT:i fOR EACH BELT PRINT
POSITION.
~
ADDEH
SP(
DIVlllES COLUMN
Nl'~IBER
BY 2 AND ADDS
fO CliAHACTER FINGER GU.IllER AT ZglHI
I'mNT COLUMN
REFERE~CE
POSITION.
:-HE HESULT IS A CHAHACTEH NUMBEH.
llIVISION BY
2
fS BECAUoiE THEHE ARE
2
CULl:MNS PER FINGER
~----~--.
t
•
llE~LT
REFERE'ICE conHER
SI'C
!lEPt: 1:-:
...
....
A (II{(
lTI"ATING
8-
BIT SHIFT REGISTEH
('ONTA1NS A IlINARY NUMBEH EQiJAL TO ;12
PI
U~
THE
NUMBER OF BELT F[]-:GERS
Wllll"ll HAVE PASSED THE PHOTOCELL
AI--
ILl{
THE EEFEHENCE nNGEH WHICH IS
WIDEll.
PHlNTABLE CHAHACTERS ARE
:n"llH:HEIl
H~OM
32 TllHU 127.
f---
L -
""""' -
....
L - -
~
of operating functions
AUXILIARY PARALLEL INPUT
ANY COMPATIBLE SOURCE OF PARALLEL
INPUT CODES AND STROBE OF PROPER
LOGIC LEVEL.
~'EElJBACK
FHOM THf: P-S
CONVERTER THIGGEHS EACH NEW CHAR-
AC·TE:H.
PHOl'E
u,;;r
,.
DATASET
CUNVERTS
THE D: ('.--SIGNALS TO BE
TRAN~
MITTED TO A FORM SUITABLE FOR TRANS-
\lISSION OVER TELF.PHONE OR TFI.E(;HAPH
LfNES SUCH AS FREQUENCY MODULATION
UH D. C. CURRENT.
IT PEHFOHMS TilE HE-
VFH;)E OPEf{ATlON ON HECEIVED Sf(;" A
IS
DECODER
IlH
THE VARIOUS CODES USED FOH CONTHOLS
ARE RECEIVED IN SI;RIAL FORM
.~ND
ARE
DETECTED AS PARTICULAH COMBI>.; ...
l"I(JN~
OF THE SEVEN BITS AND USED TO (ONTHOI
FUNCTIONS SUCH AS MOTOH CV,
".~n
l'f F.
HEADER ON AND 0 F
F.
F:
1\"'
S
fOHE .·'ND F!HE
,iICC;,ALi FonOllD
-'~l.'Mf.lFHED
HAMMEHS
\Rf: STORED WillI.:: EVEN HAMMERS ARE
:>PEilATED.
TilEI'
AS
TIlE BELT MOVES
()!'r-: ("Ol.l"I:-<. THE ODD HAMMERS FIRE
',VllllE [HE EVEN HAMMER SIGNALS ARE
"'TOHED.
llAMMF:11 POWER IS TRIGGEHED
HI"
PHUTOCEI.I. Pl!LSES.
ODD-FVEN C"ONTROL
SPC
In.HE Ain: F1>';(;).H:' FDE EVF:HY
OTHr~R
!'HI~T
PC..<lITIO;;.
rEF." Fl';(;FR:i .. \l(E
FII~ST
1\
F HO>';
T 0"
E\f.~; l'O~ITI()!':i
IllEr-;
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;IF PHI>';TED
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TH)
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PASSI!'r;
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FT~C;EfLS
PI'.I)[)L"CF Pl!l..-;FS F HO\!
rllr) ('FI
L.S SO
"h\rLfl THAT
THEY ,,\l;-
"AI,,'lIF~
THE I'Hi\T Fl)";CIFHS
~HE
[)!'l'()-
,<I!
rHE ODD Of( lV"E:;
H!'(;EE~.
ONE
.,'mc. EII";C ;EH liE SF
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C~IT
HECEIVE.'
[In:
PCSHfll'TTO'; .·\ND
UTHER
~Pl r~
-;-UI l'Rl'
THE
D.·\TASE:·~
0'<
I
MiD HECEfYE
BACK
ITS
HEADY
ClH"CLEAR
I
ro SEND" SIG!'AL.
.\
IS
FOH 103 F TYPE
DATASETS A"D CD I"' Fon lO}A TYPE DATA-
"ET~
l)~~TROL
r
t·~~,
rr')s_~'
HA\1\lLH
I
l.lII:::
Tll~lU~
[.:)
(X~ L--;oTT~{Jif)
"[J"t;>r\"
~:"~
r-::\;-'1\lEF
FOR F.-\CH ;)RIST I-'() . .
:";!T[l)~.
THF
HA!'.1-
Vlt:R..'i lJALl.I:C-:-ICAI lY "llUKE rliF PHI';[
CAHHnGC; q!'(;ER." \';.·\I':"T
THE
FUBD()~
[0
PHI!'
l'
IHE
Ui.AIL\( TIl!
WIT'IUlT
STOPPIN("; -:Hf BE I T
~l
COLUMN DECODER
DEC
C:OIIJf,lN
N I'M
IlERS-F'ROlvlMEMORY ARE DE-
("ODED FEOM THE SEVEN BIT COMBINA-
nONS TO A SINGLE CONTROL LINK
THE
COINCIDENCE BETWEEN THE OUTPUT OF
THE COMPAHER AND THIS DECODER SETS
I;P THE STOHE AND F"IHE UNIT TO fIRE A
PARTICULAR HAMMER.
...
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