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abnormal conditions. InteQded for use on 250kW and lOOkW
screened balanced line feeders over the frequency range
4-Z6MHz. Comprises feeder coupling equipment and a panel
for fitting into a trans~itter cabinet or control desk.
DD 1970. WITHDRAWN.
As EP9L/2 but with mechani:a11y modified relay/meter panel
DD 1971. OBSOLESCNET.
Automatic Monitor and Control Equipment for use
77 transmitters. Comprises MN2M/5l3, MN2M/5l8.
EDI l0173(1)JAN73. OBSOLESCENT.
Automatic Monitor and Control Equipment for monitoring PO
circuits at transmitting
MNZM/5l8A. DD 1971. OBSOLESCENT.
Monitoring Equipment, used at Divis to derive from
parallel 8 bit binary information a multiple output
driving a lamp display unit, and to scan a number of
monitoring inputs, coding the results in binary form.
PN3/23 with PN3A/37. DD ]972. OBSOLESCENT.
EP9 Sub Group not available fOI new designs DD 1977.
EPIO CONTROL ROOM EQUIPMENT
Continuity Suite Equipnent comprising DK2/4, BAZ/2,
BA9/l3, BA9/14 installed jn continuity studio cubcile and
DK2/5 installed in studio. First used Broadcasting House
Extension. DD 1960. DD ~pec 3.285. OBSOLESCENT.
Despatch Position Equipnent for engineering supervision
and control of news despatch traffic. Comprises two
positions each with DK:/16, BA2/5, BA9/l6 and five
channels of selectors in the 200-source selection system.
Broadcasting House Exten~ion. DD 1960. DD Spec 3.282.
Control Position Suite Ecuipment in Broadcasting House.
Comprises DK2/7, BAZ/3, J,A9/l5. DD 1960. DD Spec 3.286.
DDHB 3.44. OBSOLETE.
Main Operating Suite EC,uipment for Broadcasting
Extension. Includes EPlO/5, EPlO/6, EPlO/7, EPlO/8,
and common operating del,k fitted in front of the
positions. DD 1960. DD ::pec 3.296. WITHDRAWN.
S.B. Position Equipment. Part of EPlO/4. Includes DK3/9
and associated appara::us BA9/2, BA9/l8. DD 1960.
DD Spec 3.297. WITHDRAWN