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give 50 sources to 12 destinations. CHl/l2A. DD 1967/69.
As UN2l/504 except for circuit modifications. DD 1967/69.
Bi-directional Combining Relay Unit used in association
with EP6/503 to obtain a single output by combining the
bi-directional information. CHl/18A. DD 1967/69.
Video Relay Panel for mounting with other equipment on
PN3/23. Printed board with 12 STC type 4190 relays (wired
up as required by coaxial straps) mounted on CHl/12B with
rear connection panel fitted with PO No.l Musa connectors
for relay inputs and outputs, and 2 Painton type 159 fixed
plugs for d.c. control and supplies. DD 1969.
l6mm Pye Telecine Motor Control Relay Unit used
Telecine at Television Centre. CHl/44.
Pye Telecine Motor Control Relay
Telecine at Television Centre.
Latching Relay Unit used in EP5/509 for sound and vision
selection. Five way selection control relay unit
Overlay Control Relay Unit used in OB vehicles modified
for colour separation overlay. Provides some of the
control and logic function required by the split screen
effects unit UN14/50lA. Printed board 102mm x l3mm.
DD 1970. DD Spec 8.406. ACO. OBSOLESCENT.
Sound Source Selection Relay Unit for the A and B Banks of
sound section of
amplifiers. CHl/43B. DD 1970. OBSOLESCENT.
Sound Speed Selection Relay Unit used in EP5/509 to select
speed and fraction timing components for the sound mixer
section. Feeds UN3/533. CHl/43B. DD 1970. OBSOLESCENT.
Fraction Selection Relay Unit for selecting fraction
timing components in the announcers circuit of the sound
mixer section of EP5/509, and for holding relays in the
main sound bypass circuits. CHl/43B. DD 1971.
Switch Locks Relay Unit used in EP5/509 to indicate to a
selection matrix that a particular channel or channels is
in use. CHl/43B. DD 1971. OBSOLESCENT.
Latching Relay Unit used in EP5/509 for 5 way selection
control by bypass channel selection. CHl/43B. DD 1971.