UN3
UN3/543
UN3/544
UN3/545
UN3/545P
UN3/546
UN3/547
UN3/548
UN3/549
UN3/565
UN4/l
UN4/2
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Control and Data Buffer Unit, used in EPlM/527 to control
the operation of the equipment. Printed circuit board
with 33 way ISEP connector. Indexing positions 3, 15, 19.
DD 1971. OBSOLESCENT.
Digital Clock Control Unit, used with
control the clock display and direction of
box, l84mm x 24Jmm x 83mm. DD 1971.
OBSOLESCENT .
the GElM/566 to
count. Diecast
DD Spec 7.254.
Control
equipment
of video
CHl/26B.
Unit for use with commercial data logging
and MN2M/5l3 to control and indicate the number
sources to be switched for data logging.
DD 1971. OBSOLESCENT.
UN3/545 in modified
OBSOLESCENT.
carrying case CS2/l7.
DD 1971.
Tape Reader Control Unit, used with ANCHOR equipment when
paper tape reader is employed, to stop and start reader by
means of code signals from a keyboard. Printed circuit
board with 33 way ISEP connector. Indexing 5, 11, 15.
DD 1972. OBSOLESCENT.
UHF Level Control Unit, used
EP7/5l5. Provides facility
overall
gain.
CHl/57B.
OBSOLESCENT.
with EP7/5l3, EP7/5l4 and
for manually presetting the
DD 1972.
DDMI5.227.
Storage Control Unit, forming part of EPlM/530. When
EPlM/530 is formed by modification of EPlM/52l, UN3/548
replaces UN3/527. Printed circuit board, with BBC ISEP 33
way connector, coding 3,
9,
21.
DD 1972.
DDMI 7.269.
OBSOLESCENT.
Sequence Control Unit, used in CD2M/5l0 to control the
sequencing of codes. CHl/63, coding 1, 3, 13. DD 1972.
DDMI 2.404. OBSOLESCENT.
Clock and Control Unit, containing a calendar
clock together with control logic to drive the
RD5/50l. Part of the Data Recorder RDlL/50l.
DD 1975. CANCELLED.
and time
recorder
CHl/64A.
UN4 PROGRAMME EFFECTS UNITS
Echo Effects Unit consisting of 2 independent chains each
with a Hammond Sprint Reverberation Unit Type 4F with
input and output amplifiers AMl/4l, AMl/42. 483mm x l33mm
panel.
DD 1969.
DD Spec 1.83.
DDTM 1.68,
1.69.
EDI 10074(1)NOV70. OBSOLESCENT.
Stereophonic
Effects
Unit
used
provide
to
a

74