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EPl
EPlM/ll to provide switching for the Wrotham transmitters
taking signals over the normal control line or via the
B.P. microwave link. Three PN3/23 with sub-units.
DD 1969. WITHDRAWN.
EPl/13
Remote Switching Equipment used between Glasgow and
Kirk O'Shotts. Modification of existing system. Switches
3 destinations to 6 sources. Sending: Type 9 bay with
PA17/78, PA17/79, PA17/80, PA17/89, PA17/92, PAl/2l,
FLl/4. Receiving: Type 9 bay with PA18/2, PA6/l8, PAl/22,
PS2/4, PA17/89, FLl/6, FLl/8. DD 1969. WITHDRAWN.
EPlM/14
Rebroadcast Diversity Receiver
independent receivers RC5M/7
receiver occupies a PN3/23.
OBSOLESCENT.
Equipment, comprising two
interconnected. Each
DD 1971. DD Spec 5.219.
EPl/501
Equipment, Remote Control, UHF Television Link used at
Douglas-Snaefell. DD 1957. WITHDRAWN.
EPI/502
Video Tape Recorder Identifying Equipment. Provided video
and audio identifying signals; picture signal is caption
scanned by vidicon camera; audio signal is a sound source
interrupted at a variable rate and displays synchronous
occulting
lamp
in
picture
area.
405
or
625
lines.
Includes PN3/l0A, AMl/540, UN9/8, GE2/522, GE2/523, PSl/8,
PSl/9, Pye Camera Type TCV/l. DD 1963. DD Spec 8.156.
DDHB 8.195. ACO. WITHDRAWN.
EPl/503
TARIF Processing Equipment (Television Apparatus for
Rectifying Inferior Film). Provides variable gain and
contrast law channels for RGB output of a colour telecine
machine to correct for colour bias in the film. Used on
conjunction with UN3/5l2. PN3/23 with 3 AMl/542. PS2/43.
DD 1965. DD Spec 8.204. DDTM 8.196. OBSOLESCENT.
EPl/504
Vertical Aperture Corrector Equipment used with film
telerecording equipment for 405, 525 and 625 line signals.
Consists of PAlM/530, PA7/504, PA7/505 with connecting
cables.
DD 1965.
DD Spec 7.90.
DDHB 7.121.
ACO.
OBSOLESCENT.
EP1/505
Video Delay Equipment first used in C06M/504 to delay a
video signal by up to 20 milliseconds. Includes PA7/506
and associated apparatus on PN3/23 panels. DD 1965.
WITHDRAWN .
EPl/506
Colour Caption Synthesiser used to convert the output of a
monochrome caption scanner into three outputs suitable for
a colour caption. These Red, Green and Blue outputs are
remotely controlled to generate letters of any colour on
any
coloured
background.
Mains
operated.
Includes 3
MXl/506, UN4/503 mounted on a printed circuit rear panel
which can be accommodated on a PN3/23. DD 1966.
DD Spec 8.209. EDI 10119(1)JAN72. ACO. OBSOLESCENT.
EPl/507
Programme Level Meter Equipment for a video waveform of
405/625 lines. Provides continuous indication of (a) peak

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