UN1
- 366 -
signal. Double sided printed circuit board 254mm x 202mm
with 71 way edge connector. DD 1972. OBSOLESCENT.
UN1/671
Parity Unit, used as an optional extra with TMlL/502 to
replace
certain
mu1tip1exed
channels
by
parity
information. Unsupported printed circuit board for use in
PN3/53. DD 1972. OBSOLESCENT.
UN1/672
Video Unit, used in EP8M/504, EP8L/505 and EP8L/506 to
buffer a video signal, allowing the insertion or
extraction of data or test signals or programmed erasure
to black level. CH1/63. DD 1972. DDMI2.408(74).
OBSOLESCENT .
UN1/673
Store Select Unit, used in EPlM/528 to generate signals
required to select an appropriate buffer store. Double
sided printed circuit board, 254mm x 203mm, with 71 way
edge connector. DD 1972. OBSOLESCENT
UN1/674
Input Processing Unit, used in EPlM/528 to convert
control potentials into digital signals. Double
printed circuit board, 254mm x 203mm, with 71 way
connector. DD 1972. OBSOLESCENT.
eight
sided
edge
UN1/675
TARIF Data Store Unit, used in EP1M/528. Contains four
blocks of data storage. Double sided printed circuit
board with 71 way edge connector. DD 1972. OBSOLESCENT.
UNl/676
Buffer Store Unit, used in EPlM/528. Contains five blocks
of data storage. Double sided printed circuit board with
71 way edge connector. DD 1972. OBSOLESCENT.
UN1/677
TARIF Data Control Unit, used in EP1M/528 to provide the
control signals required to direct signals to the
appropriate storage element. Double sided printed circuit
board with 71 way edge connector. DD 1972. OBSOLESCENT.
UN1/678
Output Processing Unit, containing the D.A.C. sample and
hold and the interface amplifiers. Part of EP1M/528
Telecine Pre-programmer. 254mm x 203mm double sided
printed circuit board with 71 way edge connector.
DD 1972. OBSOLESCENT.
UN1/679
Data Select Unit, to select the appropriate data source
which is fed to the buffer stores in the EPlM/528 Telecine
Pre-programmer. 254mm x 203mm double sided printed
circuit board with 71 way edge connector. DD 1972.
OBSOLESCENT.
UNl/680
Data Store Keyboard Unit, used with RD4/8 to give keyboard
and indication facilities. DD 1972. OBSOLESCENT.
UN1/682
Time Code Comparator Unit used to compare two codes in
parallel
BCD
form.
Output
indicated
A<B,
A>B
and
difference in parallel BCD. Double sided printed circuit
board, 254mm x 203mm, with 71 way edge connector.
DD 1972. DDMI7.278. DDHB 7.199. OBWOLESCENT.

66